thi cong 2 in bao ve

IN BAO V

AN TT NGHIP TAI : CAO C A CHU PHN THI CNG

IN BAO V

Lu phay

Tng nhaTn CKS LOAI VAN KHUN TNG NG VI TNG LOAI

CT004F00CT003F00CT003F01CT002F00CT002F01CT001F00CT001F01CT023F00CT023F01CT022F00CT022F01XXX1XXX2CT025F00CT025F01CT009F00CT009F01

12345678910111213141516171819

Tng chn74610039364362

Ct865615661525104028

Dm19012410189681711119012

HMSan42571122314817111

Thang may166838410520108442

Thang b 122122

Thang b 210118

Tng cng45710052402181449123731721739834331423442

Ct288168240

Dm2242445119614621511220016

TRTSan39071122312415112

Thang may213321930246

Thang b233164102

Thang thoat him182283

Tng cng43150812382665920548754332242444616

Ct288168240

Dm2241448312782161817014

San52571122316021629

T.1Thang may213321930246

Thang b 1233164102

Thang b 2182283

Tng cng566508123816691138491074353172441614

Ct288168240

Dm2241848821801631017018

San5353311223162416311

T.2Thang may213321930246

Thang b 1233164102

Thang b 2182283

Tng cng5765341238206962286111092356212441618

Ct288168240

Dm22018476277641581216618

San5053332523160215813

T.3 va Thang may213321930246

4Thang b 1233164102

Thang b 2182283

Tng cng546534324720684288491056346252441218

Ct19214472240

Dm22024476307641851522024

San4993131223158218516

T.5n Thang may201403330246

7Thang b 1233164102

Thang b 2182283

Tng cng540424337826596318291196400312446624

Ct19272144240

Dm22614479257641881122618

San4993131223158218812

T.8Thang may201373330246

Thang b 1233164102

Thang b 2182283

Tng cng540424331216668268291196406232447218

Ct192216240

Dm22226448307421811522226

San4853131223156418215

T.9 va Thang may201343330246

10Thang b 1233164102

Thang b 2182283

Tng cng5264243236287063180111174393302446826

Ct72288312

Dm3183040735433706

San78312641433

T.11Thang may201343330246

Thang b 1233164102

Tng cng80628532430732352054321166243886

Ct144

Dm6412024

MaiSan30534

Tng cng305346426424

* Thng k khi lng ct chng van khun, xa g.

Do khi lng ct chng va xa g cac tng tng i ging nhau, y em ch thng k cho tng in hnh tng 2.

BANG THNG K CT CHNG, XA G

TngTn cu kinLoaiKhi lng 1 CK (kG)S CKTng khi lng (kG)Tng Cng(kG)

Ma hiu Chiu dai

12345678

T.2Xa g van khun san50x50x1.53.78.43663531.4681404.82

3.27.29654393.984

1.84.1042082.08

4.410.032990.288

49.1211100.32

1.453.3061342.978

2.25.0161365.208

1.22.7363698.496

40x80x1.53.910.72529311.025894.85

4.111.27532360.8

411777

2.256.1875530.9375

2.857.8375539.1875

3.710.175440.7

3.28.8435.2

Xa g van khun ay dm50x50x1.53.47.75220155.04934.116

6.414.59214204.288

16.236.936273.872

3.758.5524205.2

49.1220182.4

8.118.468473.872

1.733.94441039.444

Xa g van thanh dm50x50x1.53.47.75240310.081942.1

6.414.59228408.576

16.236.9364147.744

3.758.5548410.4

49.1240364.8

8.118.46812221.616

1.733.94442078.888

Xa g

cu thang50x50x1.51.12.5081640.12872.96

2.45.472632.832

40x80x1.53.39.075218.1529.7

0.92.47524.95

1.23.326.6

Ct chngK-1033.911.15526127.26127.2

TNG11405.8

2. Thng k khi lng b tng :

Phng phap thng k: ct, thang may c thng k vi chiu cao bng chiu cao tng nha; dm c thng k n mep ct vi ung tit din cua no; san thng k n mep dm. Do c im cng trnh co nhiu san khac nhau, cac dm co chiu dai khac nhau. Nn y ta thng k dm theo truc cua no.

BANG THNG K BTNG

Tng nhaTn cu kinKch thc (m)Th tch SKhi lng BT

Tit dinChiu dai(m3)CKtrong tng (m3 )

1234567

HMTruc A0.2x119.93.9813.98

Truc D0.2x2.619.910.35110.35

Tng chnTruc 10.2x1.96.52.4712.47

Truc 60.2x1.414.23.9813.98

0.2x33.452.0712.07

0.2x34.22.5212.52

0.7x0.731.47811.76

Ct0.4x0.730.8486.72

0.5x0.530.7564.50

0.2x0.21.50.0620.12

Dm ngang Truc 20.3x0.513.42.0112.01

Truc 3,60.3x0.514.22.1324.26

Truc 40.3x0.510.651.6011.60

Truc 50.3x0.510.851.6311.63

Truc 6'0.2x0.416.21.3011.30

Cac dm ngang con lai0.2x0.321.71.0911.09

Dm docTruc A, D0.2x0.420.61.6523.30

Truc B0.3x0.78.21.7211.72

0.3x0.57.71.1611.16

Truc C0.3x0.78.21.7211.72

0.3x0.511.71.7611.76

Cac dm doc con lai0.2x0.328.11.4111.41

San261.20.126.12126.12

San thang1.1x0.13.10.3420.68

Cu thang b 1Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10

Cu thang b 2San thang1.04x0.12.80.2910.29

Chiu ti2.25x0.110.2310.23

Cu thang may0.2x312.87.6817.68

TRTCt 0.7x0.73.51.72813.72

0.4x0.73.50.9887.84

0.5x0.53.50.8865.25

0.2x0.23.50.1420.28

Dm ngang Truc 2 + sanh 0.3x0.516.452.4724.94

Truc 30.3x0.53.650.5521.10

Truc 40.3x0.510.651.6011.60

Truc 50.3x0.510.851.6311.63

Truc 60.3x0.514.22.1312.13

Truc 6'0.2x0.416.21.3011.30


0.2x0.415.91.2711.27

Dm docTruc A, D0.2x0.418.31.4622.93

Truc B + sanh0.3x0.714.052.9512.95

0.3x0.55.40.8110.81

Truc C + sanh0.3x0.714.052.9512.95

0.3x0.59.41.4111.41


San + sanh236.10.123.61123.61


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.510.87.5617.56

0.2x1.320.5210.52

T.1Ct 0.7x0.73.31.62812.94

0.4x0.73.30.9287.39

0.5x0.53.30.8364.95

0.2x0.23.30.1320.26

Dm ngang Truc 1, 20.3x0.513.42.0124.02

Truc 3,60.3x0.514.22.1324.26

Truc 40.3x0.510.651.6011.60

Truc 50.3x0.510.851.6311.63

Truc 6'0.2x0.416.21.3011.30


Dm bo0.2x0.415.71.2611.26

Dm docTruc A, D0.2x0.422.071.7723.53

Truc B0.3x0.78.21.7211.72

0.3x0.59.51.4311.43

Truc C0.3x0.78.21.7211.72

0.3x0.513.52.0312.03


San311.150.131.12131.12


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.310.87.1317.13

0.2x1.120.4410.44

T.2Ct 0.7x0.73.31.62812.94

0.4x0.73.30.9287.39

0.5x0.53.30.8364.95

0.2x0.23.30.1320.26

Dm ngang Truc 1, 20.3x0.513.42.0124.02

Truc 3,60.3x0.514.22.1324.26

Truc 40.3x0.510.651.6011.60

Truc 50.3x0.510.851.6311.63

Truc 6'0.2x0.416.21.3011.30


Dm bo0.2x0.416.41.3111.31

Dm docTruc A, D0.2x0.422.331.7923.57

Truc B0.3x0.78.21.7211.72

0.3x0.59.761.4611.46

Truc C0.3x0.78.21.7211.72

0.3x0.513.762.0612.06


San324.800.132.48132.48


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.310.87.1317.13

0.2x1.120.4410.44

T.3va 4Ct 0.7x0.73.31.62812.94

0.4x0.73.30.9287.39

0.5x0.53.30.8364.95

0.2x0.23.30.1320.26

Dm ngang Truc 1, 20.3x0.513.42.0124.02

Truc 3,60.3x0.514.22.1324.26

Truc 40.3x0.510.651.6011.60

Truc 50.3x0.510.851.6311.63

Truc 6'0.2x0.416.21.3011.30


Dm bo0.2x0.416.31.3011.30

Dm docTruc A, D0.2x0.421.831.7523.49

Truc B0.3x0.78.21.7211.72

0.3x0.58.931.3411.34

Truc C0.3x0.78.21.7211.72

0.3x0.512.931.9411.94


San312.100.131.21131.21


Chiu ngh, ti2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.310.87.1317.13

0.2x1.120.4410.44

T.5 n 7Ct 0.6x0.63.31.1989.50

0.4x0.73.30.9287.39

0.5x0.53.30.8321.65

0.4x0.43.30.5342.11

0.2x0.23.30.1320.26

Dm ngang Truc 1, 20.3x0.513.62.0424.08

Truc 30.3x0.514.22.1312.13

Truc 40.3x0.510.751.6111.61

Truc 50.3x0.510.951.6411.64

Truc 60.3x0.514.62.1912.19

Truc 6'0.2x0.416.21.3011.30


Dm bo0.2x0.416.31.3011.30

Dm docTruc A, D0.2x0.421.451.7223.43

Truc B0.3x0.78.351.7511.75

0.3x0.58.81.3211.32

Truc C0.3x0.78.351.7511.75

0.3x0.512.81.9211.92


San310.650.131.07131.07


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.3117.2617.26

0.2x1.120.4410.44

T.8Ct 0.6x0.63.31.1944.75

0.4x0.73.30.9287.39

0.5x0.53.30.8364.95

0.4x0.43.30.5342.11

0.2x0.23.30.1320.26

Dm ngang Truc 1,20.3x0.513.82.0724.14

Truc 30.3x0.514.22.1312.13

Truc 40.3x0.510.851.6311.63

Truc 50.3x0.5111.6511.65

Truc 60.3x0.514.62.1912.19

Truc 6'0.2x0.416.21.3011.30


Dm bo0.2x0.416.31.3011.30

Dm docTruc A, D0.2x0.421.451.7223.43

Truc B0.3x0.78.51.7911.79

0.3x0.59.051.3611.36

Truc C0.3x0.78.51.7911.79

0.3x0.513.051.9611.96


San310.850.131.09131.09


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.311.17.3317.33

0.2x1.120.4410.44

T.9 va 10Ct 0.4x0.73.30.9287.39

0.5x0.53.30.83108.25

0.4x0.43.30.5342.11

0.2x0.23.30.1320.26

Dm ngang Truc 1,20.3x0.513.82.0724.14

Truc 30.3x0.514.22.1312.13

Truc 40.3x0.510.851.6311.63

Truc 50.3x0.5111.6511.65

Truc 60.3x0.514.62.1912.19

Truc 6'0.2x0.416.21.3011.30


0.2x0.49.30.7410.74

Dm docTruc A, D0.2x0.421.451.7223.43

Truc B0.3x0.78.51.7911.79

0.3x0.59.051.3611.36

Truc C0.3x0.78.51.7911.79

0.3x0.513.051.9611.96


San302.800.130.28130.28


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10


Chiu ngh, ti2.25x0.110.2320.45

Dm c.ngh0.2x0.31.950.1210.12

Cu thang may0.2x3.311.27.3917.39

0.2x1.120.4410.44

T.11Ct 0.5x0.53.30.83108.25

0.4x0.43.30.5363.17

0.3x0.33.850.3562.08

0.2x0.23.30.1320.26

Dm doc0.2x0.315.80.9543.79

Dm san mai 0.4x0.715.84.4228.85

Dm ngang0.3x0.616.52.72410.89

Dm sanDm doc 0.3x0.510.851.6334.88

Dm ngang0.3x0.58.751.3111.31

0.2x0.48.80.7021.41

San72.90.172.9017.29

321.30.0825.70125.70


Chiu ngh2.4x0.11.350.3210.32

Dm c.ngh0.2x0.320.1010.10

Cu thang may0.2x3.311.27.3917.39

0.2x1.120.4410.44

MaiCt0.2x0.24.150.17121.99

Dm san maiDm doc0.2x0.316.81.0122.02

0.2x0.42.40.1920.38

Dm ngang0.2x0.380.4841.92

0.2x0.45.20.4220.83

San1460.0811.68111.68

3. Thng k khi lng ct thep :

T khi lng btng a thng k trn, ta thng k khi lng ct thep t khi lng btng theo ham lng. Ham lng ct thep i vi tng loai cu kin c tnh nh sau :

+ Ct : 170KG/1m3 btng.

+ Dm chnh : 220KG/1m3 btng.

+ Dm phu: 150KG/1m3 btng.

+ San

: 25KG/1m3 btng.

+ Cu thang: 60KG/1m3 btng .

BANG THNG K CT THEPTng nha Tn cu kinKhi lng BT trong tng(m3)Lng ct thep trong 1m3 BT (kG/m3)Khi lng ct thep (kG)Tng cng (kG)

123456

HM Tng chn 25.361503804.6013738.15

Ct 23.101703927.00

Dm chnh9.502202088.90

Dm phu13.441502015.40

San 26.1225653.00

Thang b1.626097.25

Thang may7.681501152.00

TRTCt 27.091704605.3011267.16

Dm chnh11.392202504.70

Dm phu14.801502220.30

San 23.6125590.25

Thang b2.2460134.61

Thang may 8.081501212.00

T.1Ct 25.541704342.1411163.98

Dm chnh11.512202531.10

Dm phu14.961502244.33

San 31.1225777.88

Thang b2.2260133.33

Thang may 7.571501135.20

T.2Ct 25.541704342.1411226.39

Dm chnh11.512202531.10

Dm phu15.151502272.62

San 32.4825812.00

Thang b2.2260133.33

Thang may 7.571501135.20

T. 3va 4Ct 25.541704342.1411138.77

Dm chnh11.512202531.10

Dm phu14.781502216.75

San 31.2125780.25

Thang b2.2260133.33

Thang may 7.571501135.20

T.5 n 7Ct 20.921703556.7410397.02

Dm chnh11.662202564.10

Dm phu14.741502211.23

San 31.0725776.63

Thang b2.2260133.33

Thang may 7.701501155.00

T.8Ct 19.471703309.9010199.43

Dm chnh11.742202582.25

Dm phu14.881502231.93

San 31.0925777.13

Thang b2.2260133.33

Thang may 7.771501164.90

T. 9 va 10Ct 18.021703063.069846.37

Dm chnh11.742202582.25

Dm phu14.241502135.93

San 30.2825757.00

Thang b2.2260133.33

Thang may 7.831501174.80

T.11Ct 13.761702339.3710799.43

Dm chnh24.622205416.51

Dm phu6.51150976.88

San 32.9925824.85

Thang b1.126067.02

Thang may 7.831501174.80

Mai Ct 1.99170338.641678.96

Dm chnh 3.94220865.92

Dm phu1.22150182.40

San 11.6825292.00

* BANG THNG K KHI LNG VAN KHUN , CT THEP , BTNG CHO TNG TNG.Cng tacTn CKn vKHI LNG CNG TAC TRONG CAC TNG

T.hm T. trtT.1T.2T.3va 4T.5 n 7T.8T.9va 10T.11Mai

Van khunTng m2251.95

Ct66.30144.00144.00144.00144.00132.00128.40124.80110.4028.80

Dm 197.70208.98214.15217.45213.25225.70226.55220.05184.3542.40

San261.20236.10311.15324.80312.10310.65310.85302.80406.18162.70

Thang b19.6027.2327.2327.2327.2327.2327.2327.2315.90

Thang may73.5084.8084.8084.8084.8084.2083.6083.0083.00

Tng cngm2870.25701.11781.33798.28781.38779.78776.63757.88799.83233.90

Ct thepTng kG3804.60

Ct3927.004605.304342.144342.144342.143556.743309.903063.062339.37338.64

Dm 4104.304725.004775.434803.724747.854775.334814.184718.186393.391048.32

San653.00590.25777.88812.00780.25776.63777.13757.00824.85292.00

Thang b97.25134.61133.33133.33133.33133.33133.33133.3367.02

Thang may1152.001212.001135.201135.201135.201155.001164.901174.801174.80

Tng cngKG13738.1511267.1611163.9811226.3911138.7710397.0210199.439846.3710799.431678.96

BtngTng m325.36

Ct23.1027.0925.5425.5425.5420.9219.4718.0213.761.99

Dm 22.9326.1926.4726.6626.2826.4026.6225.9831.135.15

San26.1223.6131.1232.4831.2131.0731.0930.2832.9911.68

Thang b1.622.242.222.222.222.222.222.221.12

Thang may7.688.087.577.577.577.707.777.837.83

Tng cngm3106.8287.2192.9194.4792.8388.3187.1684.3386.8418.82

4. Chi ph lao ng cho cac cng tac thanh phn:

* Xac nh c cu cua qua trnh :

- Gia cng, lp dng van khun.

- San xut, lp t ct thep.

- btng va dng h.

- Thao d van khun.

* Tnh toan chi ph lao ng cho cac cng tac thanh phn :

Ap dung nh mc 726 phn chia chi ph lao ng :

a/ Ct: chi ph lao ng cho cac cng vic theo nh mc 1242:

+ Gia cng lp t ct thep, ma hiu IA.2231: 8,48 cng/tn.

+ b tng ct, ma hiu HC.2330: 3,04 cng/m3.

+ Lp dng thao d van khun ct: ma hiu KB.2110: 38,28 cng/100m2.

nh mc chi ph cho cng tac van khun bao gm ca lp dng va thao d van khun. phn chia chi ph lao ng cho cac cng vic thanh phn ta da vao c cu chi ph theo nh mc 726. ma hiu 5.009 (van khun g)

+ San xut: ma hiu 5.009d): 0,7gc/m2+ Lp dng:( Ma hiu 5.009d): 0,9gc/m2.

+ Thao d: (Ma hiu5.009d): 0,32gc/m2.

Ty l chi ph la:

+ San xut, lp dng:( 0,9+0,7)/0,9+0,7+0,32) = 83,33%.

+ Thao d :0,32/(0,9+0,7+0,32) = 16,67%.

Suy ra lng chi ph:

+ Lp dng: 38,28 . 0,833 = 31,9 cng/100m2.

+ Thao d : 38,28 . 0,1667 = 6,38 cng/100m2.

b/ Dm: Theo nh mc 1242:

+ Gia cng lp dng ct thep, ma hiu IA. 2332 : 9,17 cng/tn.

+ b tng dm ,ma hiu HC.3110 : 2,56 cng/m3.

+ Lp dng, thao d van khun dm, ma hiu KB.2110 : 38,28cng/100m2.

Phn tch chi ph cho cac cng vic thanh phn theo nh mc726 Ma hiu 5.013

+ San xut: (Ma hiu 5.013a): 0,5 gc/m2.

+ Lp dng: (Ma hiu 5.013c) 1,6gc/m2.

+ Thao d: (Ma hiu 5.03d): 0,32gc/m2.

Ty l chi ph la:

+ Lp dng va san xut: (0,5 + 1,6)/(0,5+1,6+0,32) = 86,8%.

+ Thao d :0,32/(0,5+1,6+0,32) = 13,4%.

Suy ra lng chi ph se la:

+ Lp dng va san xut: 38,28 . 0,868 = 33,23 cng/ 100m2.

+Thao d : 38,28 . 0,134 = 5,05 cng/100m2.

c/ San: Theo nh mc 1242:

+ Gia cng lp dng ct thep, ma hiu IA.2511: 14,63 cng/tn

+ b tng san, ma hiu HC.3210: 1,58 cng/m3.

+ Lp t, thao dc van khun san, ma hiu KB.2330: 34,16 cng/100m2.

Theo nh mc 726:

+ San xut va lp dng( Ma hiu 5.024b): 1gc/m2.

+ Thao d( Ma hiu 5.024d) : 0,27gc/m2.


+ San xut va lp dng: 34,16.0,787 = 26,88 cng/100m2.

+ Thao d : 34,16 . 0,213 = 7,3 cng/100m2.

d/ Cu thang: theo nh mc 1242

+ Gia cng lp t ct thep, ma hiu IA.2621: 14,63 cng/ tn.

+ b tng cu thang, ma hiu HC.3410: 2,9 cng/m3.

+ Lp t va thao d van khun cu thang, ma hiu KB.2330: 34,16 cng/100m2.

Theo nh mc 726:

+ San xut va lp dng( Ma hiu 5.035a): 1.53 gc/m2.

+ Thao d (Ma hiu 5.035b): 0,4 gc/m2.

Ty l chi ph:

+ San xut va lp dng: 79,27%

+ Thao d: 20,73%.


+ San xut va lp dng: 34,16 . 0,7927 = 27,08 cng/100m2.

+ Thao d:34,16.0,2073 = 7,08 cng/100m2.

e/ Thang may:+ b tng tng, ma hiu HC.2110: 2,56 cng/m3;

+ Gia cng lp t ct thep , ma hiu IA.2111: 13,63 cng/tn;

+ Lp t thao d van khun tng, ma hiu KB.2110: 38,28 cng/100m2.

Theo nh mc 726:

+ San xut va lp dng: (Ma hiu 5.019b): 1,1 gc/m2.

+ Thao d (Ma hiu 5.019g) 0,25 gc/m2.

Ty l chi ph:

+ San xut va lp dng:81,48%.

+ Thao d:18,52%.

Suy ra lng chi ph:

+ San xut va lp dng: 38,28 . 0,1848 = 31,19 cng/100m2.

+ Thao d: 38,28 . 0,1852 = 7,09 cng/100m2.

T chi ph trn ta tnh cng cac thanh phn cac bang tnh nh sau:

4.1/ Chi ph lp dng van khun: CHI PH LAO NG CHO CNG TAC LP DNG VAN KHUN

TngCu kinn v Khi lng (m2)nh mcCng yu cuTng cng

Ma hiuCng/.v

12345678

HMTng100m2251.95KB-211031.1978.58261.89

Ct66.30KB-211031.921.15

Dm 197.70KB-211032.2363.72

San261.20KB-233026.8870.21

Thang b19.60KB-233027.085.31

Thang may73.50KB-211031.1922.92

TRTCt100m2144.00KB-211031.945.94210.58

Dm 208.98KB-211032.2367.35

San236.10KB-233026.8863.46

Thang b 27.23KB-233027.087.37

Thang may84.80KB-211031.1926.45

T.1Ct100m2144.00KB-211031.945.94232.42

Dm 214.15KB-211032.2369.02

San311.15KB-233026.8883.64

Thang b 27.23KB-233027.087.37

Thang may84.80KB-211031.1926.45

T.2Ct100m2144.00KB-211031.945.94237.15

Dm 217.45KB-211032.2370.08

San324.80KB-233026.8887.31

Thang b 27.23KB-233027.087.37

Thang may84.80KB-211031.1926.45

T. 3 va 4Ct100m2144.00KB-211031.945.94232.38

Dm 213.25KB-211032.2368.73

San312.10KB-233026.8883.89

Thang b 27.23KB-233027.087.37

Thang may84.80KB-211031.1926.45

T.5n 7Ct100m2132.00KB-211031.942.11231.99

Dm 225.70KB-211032.2372.74

San310.65KB-233026.8883.50

Thang b 27.23KB-233027.087.37

Thang may84.20KB-211031.1926.26

T.8Ct100m2128.40KB-211031.940.96230.98

Dm 226.55KB-211032.2373.02

San310.85KB-233026.8883.56

Thang b 27.23KB-233027.087.37

Thang may83.60KB-211031.1926.07

T. 9 va 10Ct100m2124.80KB-211031.939.81225.39

Dm 220.05KB-211032.2370.92

San302.80KB-233026.8881.39

Thang b 27.23KB-233027.087.37

Thang may83.00KB-211031.1925.89

T.11Ct100m2110.40KB-211031.935.22234.01

Dm 184.35KB-211032.2359.42

San406.18KB-233026.88109.18

Thang b 15.90KB-233027.084.31

Thang may83.00KB-211031.1925.89

Mai Ct100m228.80KB-211031.99.1966.59

Dm 42.40KB-211032.2313.67

San162.70KB-233026.8843.73

4.2/ Chi ph t ct thep:CHI PH LAO NG CHO CNG TAC CT THEP

Tng Tn CKn vKhi lng (KG)nh mcCng yu cuTng cng

Ma hiuCng/.v

12345678

T. HMTng chnTn3804.60IA-211113.6351.86149.47

CtTn3927.00IA-22318.4833.30

Dm Tn4104.30IA-23229.1737.64

SanTn653.00IA-251114.639.55

Thang bTn97.25IA-262114.631.42

Thang mayTn1152.00IA-211113.6315.70

T. TRTCtTn4605.30IA-22318.4839.05109.51

Dm Tn4725.00IA-23229.1743.33

SanTn590.25IA-251114.638.64

Thang bTn134.61IA-262114.631.97

Thang mayTn1212.00IA-211113.6316.52

T.1CtTn4342.14IA-22318.4836.82109.42

Dm Tn4775.43IA-23229.1743.79

SanTn777.88IA-251114.6311.38

Thang bTn133.33IA-262114.631.95

Thang mayTn1135.20IA-211113.6315.47

T.2CtTn4342.14IA-22318.4836.82110.17

Dm Tn4803.72IA-23229.1744.05

SanTn812.00IA-251114.6311.88

Thang bTn133.33IA-262114.631.95

Thang mayTn1135.20IA-211113.6315.47

T.3va4CtTn4342.14IA-22318.4836.82109.20

Dm Tn4747.85IA-23229.1743.54

SanTn780.25IA-251114.6311.42

Thang bTn133.33IA-262114.631.95

Thang mayTn1135.20IA-211113.6315.47

T.5n7CtTn3556.74IA-22318.4830.16103.01

Dm Tn4775.33IA-23229.1743.79

SanTn776.63IA-251114.6311.36

Thang bTn133.33IA-262114.631.95

Thang mayTn1155.00IA-211113.6315.74

T.8CtTn3309.90IA-22318.4828.07101.41

Dm Tn4814.18IA-23229.1744.15

SanTn777.13IA-251114.6311.37

Thang bTn133.33IA-262114.631.95

Thang mayTn1164.90IA-211113.6315.88

T. 9 va 10CtTn3063.06IA-22318.4825.9798.28

Dm Tn4718.18IA-23229.1743.27

SanTn757.00IA-251114.6311.07

Thang bTn133.33IA-262114.631.95

Thang mayTn1174.80IA-211113.6316.01

T.11CtTn2339.37IA-22318.4819.84107.53

Dm Tn6393.39IA-23229.1758.63

SanTn824.85IA-251114.6312.07

Thang bTn67.02IA-262114.630.98

Thang mayTn1174.80IA-211113.6316.01

MAICtTn338.64IA-22318.482.8716.76

Dm Tn1048.32IA-23229.179.61

SanTn292.00IA-251114.634.27

4.3/ Chi ph cng tac btng: CHI PH LAO NG CNG TAC BTNG

TngTn CKn v Khi lng (m3)nh mcCng yu cuTng cng

Ma hiuCng/v

12345678

HM Tng chnm325.36HC-21102.5664.93259.49

Ct23.10HC-23303.0470.22

Dm 22.93HC-31102.5658.70

San26.12HC-32101.5841.27

Thang b1.62HC-34102.904.70

Thang may7.68HC-21102.5619.66

TRTCtm327.09HC-23303.0482.35213.89

Dm 26.19HC-31102.5667.04

San23.61HC-32101.5837.30

Thang b2.24HC-34102.906.51

Thang may8.08HC-21102.5620.68

T.1Ctm325.54HC-23303.0477.65220.38

Dm 26.47HC-31102.5667.76

San31.12HC-32101.5849.16

Thang b2.22HC-34102.906.44

Thang may7.57HC-21102.5619.37

T.2Ctm325.54HC-23303.0477.65223.02

Dm 26.66HC-31102.5668.24

San32.48HC-32101.5851.32

Thang b2.22HC-34102.906.44

Thang may7.57HC-21102.5619.37

T. 3 va 4Ctm325.54HC-23303.0477.65220.06

Dm 26.28HC-31102.5667.29

San31.21HC-32101.5849.31

Thang b2.22HC-34102.906.44

Thang may7.57HC-21102.5619.37

T.5 n 7Ctm320.92HC-23303.0463.60206.42

Dm 26.40HC-31102.5667.58

San31.07HC-32101.5849.08

Thang b2.22HC-34102.906.44

Thang may7.70HC-21102.5619.71

T.8Ctm319.47HC-23303.0459.19202.77

Dm 26.62HC-31102.5668.14

San31.09HC-32101.5849.11

Thang b2.22HA-34102.906.44

Thang may7.77HC-21102.5619.88

T. 9 va 10Ctm318.02HC-23303.0454.77195.61

Dm 25.98HC-31102.5666.50

San30.28HC-32101.5847.84

Thang b2.22HC-34102.906.44

Thang may7.83HC-21102.5620.05

T.11Ctm313.76HC-23303.0441.83196.95

Dm 31.13HC-31102.5679.70

San32.99HC-32101.5852.13

Thang b1.12HC-34102.903.24

Thang may7.83HC-21102.5620.05

MAI Ctm31.99HC-233030.4060.5692.20

Dm 5.15HC-31102.5613.19

San11.68HC-32101.5818.45

4.4/ Chi ph cng tac thao van khun: CHI PH LAO NG CHO CNG TAC THAO VAN KHUN

TngCu kinn v Khi lng (m2)nh mcCng yu cuTng cng

Ma hiuCng/.v

12345678

HMTng100m2251.95KB-21107.0917.8657.74

Ct66.30KB-21106.384.23

Dm 197.70KB-21105.059.98

San261.20KB-23307.319.07

Thang b19.60KB-23307.081.39

Thang may73.50KB-21107.095.21

TRTCt100m2144.00KB-21106.389.1944.92

Dm 208.98KB-21105.0510.55

San236.10KB-23307.317.24

Thang b 27.23KB-23307.081.93

Thang may84.80KB-21107.096.01

T.1Ct100m2

144.00KB-21106.389.1950.66

Dm 214.15KB-21105.0510.81

San311.15KB-23307.322.71

Thang b 27.23KB-23307.081.93

Thang may84.80KB-21107.096.01

T.2Ct100m2144.00KB-21106.389.1951.82

Dm 217.45KB-21105.0510.98

San324.80KB-23307.323.71

Thang b 27.23KB-23307.081.93

Thang may84.80KB-21107.096.01

T. 3 va 4Ct100m2144.00KB-21106.389.1950.68

Dm 213.25KB-21105.0510.77

San312.10KB-23307.322.78

Thang b 27.23KB-23307.081.93

Thang may84.80KB-21107.096.01

T.5n 7Ct100m2132.00KB-21106.388.4250.39

Dm 225.70KB-21105.0511.40

San310.65KB-23307.322.68

Thang b 27.23KB-23307.081.93

Thang may84.20KB-21107.095.97

T.8Ct100m2128.40KB-21106.388.1950.18

Dm 226.55KB-21105.0511.44

San310.85KB-23307.322.69

Thang b 27.23KB-23307.081.93

Thang may83.60KB-21107.095.93

T. 9 va 10Ct100m2124.80KB-21106.387.9648.99

Dm 220.05KB-21105.0511.11

San302.80KB-23307.322.10

Thang b 27.23KB-23307.081.93

Thang may83.00KB-21107.095.88

T.11Ct100m2110.40KB-21106.387.0453.01

Dm 184.35KB-21105.059.31

San406.18KB-23307.329.65

Thang b 15.90KB-23307.081.13

Thang may83.00KB-21107.095.88

Mai Ct100m228.80KB-21106.381.8415.86

Dm 42.40KB-21105.052.14

San162.70KB-23307.311.88

II.T CHC THI CNG PHN THN:

1. T chc thi cng:

Co 3 phng phap t chc thi cng xy dng:

+ Phng phap tun t

u: d t chc san xut, ch s dung tai nguyn n nh.

Nhc: thi gian thi cng keo dai, trnh chuyn mn hoa thp, gia thanh cao.

+ Phng phap song song

u: rut ngn thi gian thi cng, giam ong vn san xut.

Nhc: oi hoi s tp trung san xut cao, nhu cu tai nguyn ln, d gy sai pham hang loat gy loang ph.

+ Phng phap dy chuyn: la s kt hp mt cach logic phng phap tun t va phng phap song song, tn dung u im va loai tr khuyt im.

( Qua vic phn tch u nhc cua cac phng phap, cn c vao c im cng trnh ta chon hnh thc t chc thi cng phn thn theo phng phap dy chuyn.

Sau khi thng k cng lao ng cho cac cng tac, ta t chc thi cng phn thn ( b tng tai ch). Ct va vach thang may c thi cng trc sau o mi n dm san, cu thang b.

* Cac qua trnh thanh phn khi thi cng ct va vach thang may:

+ Gia cng lp t ct thep.

+ Gia cng lp dng van khun.

+ btng.

+ Thao van khun.

* Cac qua trnh thanh phn khi thi cng dm, san, cu thang b:

+ Gia cng lp dng van khun.

+ Gia cng lp t ct thep.

+ btng.

+ Thao van khun.

Trong qua trnh thi cng cac t th c ly vao thi cng se lam lin tuc vi s lng ngi khng i t khi bt u cng vic n khi kt thuc cng vic.

Chia cng trnh thanh 14 t thi cng theo chiu cao cua nha, mi t la chiu cao mt tng (t 14 la phong iu khin trung tm), trong mi t chia la nhiu phn oan. Vi s lng ngi a chon. Tnh toan thi gian hoan thanh cng tac chu yu (cng tac b tng). Sau o tnh toan thi gian cho cac cng vic con lai, vi s ngi ly vao thi cng sao cho mi cng vic c hoan thanh vi thi gian hoan thanh cng tac b tng.

Sp xp thi im thc hin cac cng vic theo cng tac b tng, vi mi lin h u va cui thoa man nhng gian oan ky thut khi b tng nha nhiu tng.

cac dy chuyn c thc hin lin tuc th s phn oan trong mi t thi cng cua mi cng vic u phai ln hn s phn oan ti thiu:

Mmin

Trong o:

+A: s ca lam vic trong ngay, A=1.

+K: nhp dy chuyn n, K=1.

+t1:Gian oan ky thut ch cho b tng u cng n khi c phep dng dan giao ln no, t 1=5 ngay.

+n:s dy chuyn n cung hoat ng, n = 8.

Mmin

Do mt bng thi cng nho (( 400m2), btng bng bm nn vic phn chia mt bng cng trnh ( 12 phn oan (thi gian thi cng mi phn oan = 1ngay) la khng th v khi lng trong mt phn oan qua nho. S phn oan c chia cu th trn ban ve TC-05. Nh vy, khi cac dy chuyn chuyn t t nay sang t kia se co mt khoang gian oan nao o.

T chc thi cng dy chuyn phai k n gian oan t chc, gian oan ky thut gia cac dy chuyn:

+Gian oan t chc gia van khun va dy chuyn ct thep la 1 ngay.

+Gian oan t chc gia dy chuyn ct thep va dy chuyn b tng la 1 ngay.

+Gian oan ky thut t khi btng dm san n khi gia cng lp dng ct thep ct tng trn ( 5 ngay ( btng at 50( cng )

+Gian oan ky thut gia dy chuyn btng va dy chuyn thao van khun la 12(15 ngay( btng at 75% cng ).

Vic chon th, t chc dy chuyn c th hin trn ban ve TC-05.

Ghi chu: khi la chon s ca thc hin ve tin ta da vao h s thc hin nh mc: (15(20)(. BANG TNG HP CNG, S NHN CNG NHN THAM GIA VA S CA THC HIN CHO CAC CNG TAC.

TNG, CT, THANG MAY

t thi cngS cng yu cuS cng nhn tham giaS ca thc hin

Ct thepVan khunBtngThao v. khunCt thepVan khunBtngThao v. khunCt thepVan khunBtngThao v. khun

T.HM100.86122.66154.8227.30101417310.098.769.119.10

T.TRT55.5772.39103.0415.2010141735.565.176.065.07

T.152.2972.3997.0215.2010141735.235.175.715.07

T.252.2972.3997.0215.2010141735.235.175.715.07

T.352.2972.3997.0215.2010141735.235.175.715.07

T.452.2972.3997.0215.2010141735.235.175.715.07

T.545.9068.3783.3114.3910141734.594.884.904.80

T.645.9068.3783.3114.3910141734.594.884.904.80

T.745.9068.3783.3114.3910141734.594.884.904.80

T.843.9567.0379.0714.1210141734.394.794.654.71

T.941.9965.7074.8213.8510141734.204.694.404.62

T.1041.9965.7074.8213.8510141734.204.694.404.62

T.1135.8561.1161.8812.9310141733.594.363.644.31

MAI2.879.196.061.8439620.961.021.010.92

DM, SAN, CU THANG

t thi cngS cng yu cuS cng nhn tham giaS ca thc hin

Van khunCt thepBtngThao v. khunVan khunCt thepBtngThao v. khunVan khunCt thepBtngThao v. khun

T.HM139.2448.61104.6730.442281756.336.086.166.09

T.TRT138.1953.93110.8529.722281756.286.746.525.94

T.1160.0357.12123.3635.462281757.277.147.267.09

T.2164.7657.88126.0036.622281757.497.247.417.32

T.3160.0056.90123.0435.482281757.277.117.247.10

T.4160.0056.90123.0435.482281757.277.117.247.10

T.5163.6257.10123.1036.002281757.447.147.247.20

T.6163.6257.10123.1036.002281757.447.147.247.20

T.7163.6257.10123.1036.002281757.447.147.247.20

T.8163.9557.47123.7036.062281757.457.187.287.21

T.9159.6956.29120.7935.142281757.267.047.117.03

T.10159.6956.29120.7935.142281757.267.047.117.03

T.11172.9071.68135.0740.092281757.868.967.958.02

MAI57.4013.8931.6414.0282427.176.947.917.01

2. Xac nh h s lun chuyn van khun:

Cn c va th tin thi cng phn thn ta xac nh c h s lun chuyn van khun nh sau:

a/ Ct: (van khun ct c thao trc khi thi cng van khun dm san).

+ C1(700x700), C2 (700x700) va C5 (500x500): t tng hm n tng 4 ging nhau, nn h s lun chuyn bng 4 ln.

+ C1 (600x600): t tng 5 n tng 8 ging nhau, nn h s lun chuyn n = 3.

+ C1 (500x500): t tng 9 n tng 11 ging nhau, h s lun chuyn n = 2

+ C2 (600x600): t tng 5 n tng 7 ging nhau, nn h s lun chuyn n = 2.

+ C2 (500x500): t tng 8 n tng 11 ging nhau, h s lun chuyn n = 3.

+ C3 (500x500): t tng hm n tng 11 ging nhau, h s lun chuyn n = 12.

+ C4 (400x700): t tng hm n tng 10 ging nhau, h s lun chuyn n = 11.

+ C5 (400x400): t tng 5 n tng 11 ging nhau, h s lun chuyn n = 6.

b/ Dm, san:

Trong qua trnh thi cng, thao van khun dm san phai thoa man btng at 75( cng va i vi nha nhiu tng th phai thoa man cach tng.

+ Dm, san: tng 3 ging tng 4; tng 5 n 7 ging nhau; tng 9 ging tng 10. Da vao ban ve tng tin ch thc hin lun chuyn van khun dm san t tng 5 ln tng 7.3. La chon may thi cng:

a/ La chon may vn thng:

Btng s dung cho phn thn la btng thng phm bng bm btng. Nn tnh toan may vn thng lam nhim vu vn chuyn nhng vt liu theo phng thng nh: va, gach, ngi... trong qua trnh thi cng phn thn chu yu la phuc vu ch ngi.

Chon may vn thng PGX-800-16 co cac thng s ky thut nh:

+Sc nng :Qmax= 0,8 tn.

+ cao nng : h = 50m.

+Tm vi : Rmax = 1,3m

+Vn tc nng : v = 1,6m/s

+Cng sut ng c : N = 3,1KW

+Chiu dai san vn tai: 1,5m

+Trong lng may : 18,7tn.

b/ La chon cn truc thiu nhi:

Tnh toan cn truc thiu nhi phuc vu cng tac vn chuyn van khun, ct chng, xa g, va ct thep trong qua trnh thi cng.

+ Van khun: s dung van khun nha co khi lng nho nn co th bo qua.

+ Xa g, ct chng: khi lng s dung trung bnh trong 1 ca la:

11405,8/7 = 1629,4 kg = 1,63tn.

+ Ct thep: khi lng s dung trung bnh trong 1 ca la: 5817,3/5 =1163,46 kg = 1,164 tn (thep ct tng trt).

Khi lng cn vn chuyn trong mt ca la: Q =1,63+1,164 = 2,794 tn.

Ta chon cn truc thiu nhi tai v tr cao nht lam c s chon may, vi chiu cao ti a la: 45m (ng vi coste +42,80m).

Chon cn truc ma hiu T-108 vn chuyn ct chng va ct thep.

Nng sut cua cn truc tnh theo cng thc:

Q = n0.Q0.Kg.T.Ktg (tn/ca)

Trong o:

+ n0 =: s ln nng vt trong 1 gi.

Vi: tck = tmoc + tnng ha + ttha + tquay

= 1 ++1+2 = 7,57 phut

( n0 = ln.

+ Q0 = 0,5 tn : sc nng cua cn truc.

+ Kg = 1: h s s dung cn truc.

+ T = 7h: thi gian lam vic trong mt ca.

+ Ktg = 0,9: h s s dung thi gian.

Vy: Q = 8.0,5.1.7.0,9 = 25,2 tn/ca.

So vi khi lng vt liu cn phai vn chuyn trn, th ta chon mt cn truc T-108 la u.

c/ Chon may bm b tng: vic la chon may bm tuy thuc vao lng btng s dung trong mt ca. Khi lng btng s dung ln nht trong mt ca la: 8,765m3 (btng dm san, cu thang b tng 2).

( Chon may bm b tng Ma hiu: USB-5B co cac thng s ky thut sau:

+Nng sut ky thut : 6m3/h

+Nng sut thc t : 2,85m3/h.

+Cng sut ng c: 11KW.

+ng knh ng : 100m.

+Trong lng : 0,985tn.

Nng sut trong mt ca: Nca = 2,85.7.0,75 = 19,95m3.

d/ La chon may m btng:S dung loai m dui ma hiu I-21 cua Lin X, co nng sut 3m3/h.

Nng sut ca may m: Nca = 3.7.0,75 = 15,75m3/ca.

4. Tng hp nhu cu nhn cng va ca may:

a/ Nhu cu nhn cng:STTT th chuyn nghipS lng (ngi)C.ph lao ng

( cng)

1Lp dng ct thep ct, thang may10670

2Lp dng van khun ct, thang may14958,4

3 b tng ct, thang may171192,5

4Thao d van khun ct thang may3203,1

5Lp dng van khun dm, san, cu thang 222126,7

6Lp dng ct thep dm san, cu thang87583

7 b tng dm san, cu thang171612,3

8Thao d van khun dm san, cu thang5471,7

b/ Nhu cu may thi cng:

STTLoai mayTn mayLng vt liu trong 1caNng sut trong 1 caNhu cu (chic)

1May vn thngPGX-800-16--01

2Cn truc thiu nhiT-1082,794tn25,2 tn01

3May bm btngUSB-5B8,765 m319,95 m301

4May m duiI-218,765 m315,75m301

III. T CHC THI CNG CNG TAC XY:

*c im kt cu:

Cng trnh nha nhiu tng, tng xy bng gach ng, tng cua cng trnh co 2 loai: tng day 200 xung quanh chu vi nha va tng ngn cach phong kho, phong v sinh day100.

*Chon bin phap thi cng va xac nh c cu cng ngh cua qua trnh:

Bin phap thi cng cng tac xy chon kt hp thu cng vi c gii.

Vi tng xy day 200 chon ky tht xy 3 doc 1 ngang, tng day 100 chon ky thut xy xp doc.

Vn chuyn vt liu t kho n im tp kt tai chn cng trnh bng xe t, vn chuyn ln cao bng may vn thng, vn chuyn trn mt bng bng xe rua. C cu cng ngh cua qua trnh xy bao gm qua trnh xy va phuc vu xy (vn chuyn vt liu, bt va thao dan giao).

Chia phn oan va t xy, tnh khi lng cng tac theo phn oan va chiu cao mi phn oan la mt tng, trn mi tng chia lam nhiu khu vc cng tac. chuyn mn hoa cng vic cua ngi th xy, cng vic c thc hin lin tuc tranh thi gian ch i khi chuyn t t di ln t trn (bao gm qua trnh bt giao, vn chuyn vt liu ln trn va gian oan cng ngh gia cac t xy). T chc qua trnh xy theo phng phap chuyn t. Chiu cao t xy ly theo chiu cao cua giao cng cu hx = 1,5m. Nh vy i vi mi tng ta chia thanh 2 t xy. Mi t th phu trach mt t xy va lam vic trn nhiu khu vc (thi cng ht khu vc nay chuyn sang khu vc khac o a c bt giao sn). Trn mi phn oan co th chia lam nhiu t th cung lam cng vic ging nhau trn nhng khu vc khac nhau tuy theo vic b tr nhn lc trn phn oan, va khi lng tng xy.

1.Thng k khi lng tng xy.

Tng Loai tngTrucDin tch tng + ca (m2)Din tch ca (m2)Din tch tng(m2)Chiu day tng (m2)Th tch (m3)

12345678

T. HMGach ngA31.8402.20029.6400.25.928

B11.3251.4309.8950.21.979

Gia B-C24.50524.5050.12.451

224.5008.80015.7000.11.570

45.0705.0700.10.507

6'17.82017.8200.23.564

W.C7.5051.8705.6350.10.564

Gach theBc thang0.630

Tng cng108.26517.192

T. TRTGach ng A26.1950.88025.3150.25.063

D13.7953.9609.8350.21.967

Gia B-C17.85017.8500.11.785

45.4605.4600.21.092

10.35010.3500.11.035

523.2503.98219.2680.23.854

6'50.22050.2200.210.044

W.C76.0309.46066.5700.16.657

Thang b10.9404.4006.5400.10.654

5.4405.4400.21.088


Tng cng216.84834.079

T.1Gach ng A24.5050.88023.6250.24.725

C6.8601.8704.9900.10.499

D12.9053.9608.9450.21.789

Gia B-C16.80016.8000.11.680

45.0705.0700.21.014

9.6609.6600.10.966

516.2401.98014.2600.22.852

6'46.98046.9800.29.396

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng206.20031.818

T.2Gach ng A24.5050.88023.6250.24.725

D12.9053.9608.9450.21.789

Gia B-C28.3503.30025.0500.12.505

118.20018.2000.23.640

45.0705.0700.21.014

27.8606.60021.2600.12.126

56.0201.9804.0400.20.808

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng224.20033.932

T.3 n 4Gach ng A50.46010.60039.8600.27.972

D38.71513.68025.0350.25.007

Gia B-C28.3503.30025.0500.12.505

45.0705.0700.21.014

27.8606.60021.2600.12.126

56.0201.9804.0400.20.808

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng238.32536.757

T.5n 8Gach ng A62.20515.46046.7450.29.349

D50.46018.54031.9200.26.384

Gia B-C28.3503.30025.0500.12.505

Ngoai T.123.2008.64014.5600.22.912

45.0705.0700.21.014

27.8606.60021.2600.12.126

56.0201.9804.0400.20.808

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng266.65542.423

T.9Gach ng A59.74015.46044.2800.28.856

D47.99518.54029.4550.25.891

Gia B-C28.3503.30025.0500.12.505

5.4885.4880.21.098

45.0705.0700.21.014

27.8606.60021.2600.12.126

56.0201.9804.0400.20.808

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng252.65339.623

T.10Gach ng A59.74021.84037.9000.27.580

D59.74024.92034.8200.26.964

Gia B-C28.3503.30025.0500.12.505

12.27612.2760.22.455

45.0705.0700.21.014

27.8606.60021.2600.12.126

56.0201.9804.0400.20.808

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng258.42640.777

T.11Gach ng A33.6967.26026.4360.25.287

D33.69610.34023.3560.24.671

Gia B-C28.3503.30025.0500.12.505

12.27612.2760.22.455

Ngoai T.13.1013.1010.20.620

414.73014.7300.22.946

12.7406.6006.1400.10.614

56.0201.9804.0400.20.808

15.9602.00213.9580.11.396

6'46.9804.84042.1400.28.428

W.C74.4109.46064.9500.16.495

Thang b10.2204.4005.8200.10.582

5.1005.1000.21.020


Tng cng247.09738.248

Mai Gach ng Sat T.A25.8007.26018.5400.23.708

Sat T.D25.8007.26018.5400.23.708

Gia B-C27.0408.58018.4600.23.692

456.1661.43054.7360.210.947

545.1775.72039.4570.27.891

6'5.7204.8400.8800.20.176

Tng cng150.61330.123

2. Chi ph lao ng cho toan b cng tac xy: ly theo nh mc theo nh mc 1242/1998 gm ca cng tac xy va phuc vu xy:

TngLoai tngn vKhi lng (m2)nh mcCng yu cuTng cng

Ma hiuCng/.v

1234567.0008

T. HMTng 200m212.101GH-12101.3816.69924.489

Tng 1005.091GH-11101.537.789

T.TRTTng 200m223.948GH-12101.3833.04848.548

Tng 10010.131GH-11101.5315.500

T.1Tng 200m221.596GH-12101.3829.80245.442

Tng 10010.222GH-11101.5315.640

T.2Tng 200m222.224GH-12101.3830.66948.582

Tng 10011.708GH-11101.5317.913

T.3n 4Tng 200m225.049GH-12101.3834.56852.481

Tng 10011.708GH-11101.5317.913

T.5 n 8Tng 200m230.715GH-12101.3842.38760.300

Tng 10011.708GH-11101.5317.913

T.9Tng 200m227.915GH-12101.3838.52256.435

Tng 10011.708GH-11101.5317.913

T.10Tng 200m229.069GH-12101.3840.11558.029

Tng 10011.708GH-11101.5317.913

T.11Tng 200m226.656GH-12101.3836.78554.520

Tng 10011.592GH-11101.5317.735

MAITng 200m230.123GH-12101.3841.56941.569

3. T chc thi cng cng tac xy:

t thi cngT.HmT. TrtT.1T.2T.3&4T.5n8T.9T.10T.11T.Mai

S cng yu cu24.4948.5545.4448.5852.4860.3056.4458.0354.5241.57

S cng nhn tham gia5555555555

S ca thc hin4.909.719.099.7210.5012.0611.2911.6110.908.31

Chon 51091010121111118

H s thc hin dnh mc0.980.971.010.971.051.001.031.060.991.04

IV.T CHC CNG TAC TRAT:

T chc cng tac trat thanh 2 qua trnh: trat tng trong va trat tng ngoai.

1. Chon bin phap thi cng cng tac trat:

Chon bin phap thi cng cng tac trat kt hp thu cng va c gii, va trat c ch tao tai cng trng. Vn chuyn vt liu t kho n im tp kt tai chn cng trng bng xe t, vn chuyn ln cao bng may vn thng, vn chuyn trn mt bng xy dng bng xe rua. C cu cng ngh cua qua trnh trat bao gm cac qua trnh trat va phuc vu trat (vn chuyn vt liu, bt va thao dan giao). Qua trnh trat tng trong s dung dan giao trong (lun chuyn trn cac phn oan). Qua trnh trat tng ngoai s sung giao ngoai c bt sau mi ln ln t ( cng tac phuc vu ch lam cng vic vn chuyn vt liu va thao dan giao). Thao tac cua qua trnh trat tng ngoai ngc lai vi qua trnh xy ( trat t trn xung, ht t th thao giao).

* Chia phn oan va t xy, tnh khi lng cng tac theo phn oan va t.

Ta chia phn oan cua qua trnh trat theo chiu cao, mi phn oan la mt tng.

T chc thi cng trat tng trong theo cng tac xy, trn mi phn oan chia ra lam nhiu khu vc cng tac. T chc qua trnh trat theo cng tac chuyn t, chiu cao cua qua trnh trat c ly theo chiu cao cua giao cng cu hdx = 1,5m. cng tac trat tng trong co th tin hanh ngay sau khi cng tac xy kt thuc trn mi khu vc, tuy nhin tin cho vic t chc thi cng, cng vic khng b chng cheo, ta chon gian cach gia xy tng va trat tng nh trn bang tng tin .

T chc thi cng trat tng ngoai theo phng phap chuyn t. Trat tng ngoai co th bt u ngay sau khi kt thuc phn xy, tuy nhin tin cho vic s dung t th chuyn nghip, phi hp dy chuyn chon thi im bt u cng tac trat tng ngoai ngay sau khi kt thuc cng tac trat tng trong.

2. Thng k khi lng trat tng:

Din tch trat: Strat = Stng .2

Ring i vi tng hm, ngoai vic trat tng xy bng gach con trat tng bng btng. Din tch trat tng bng btng bng din tch trat cua no tr i phn pha ngoai ngm trong nn t. Vi din tch tng : Sbt = 87,57 m2. Vy din tch tng tng hm cn trat la: S = Sxg + Sbt = 108,27+87.57 = 195,84 m2DIN TCH TNG CN TRAT

Tng nha HM TRTT.1T.2T. 3 va 4T.5 n 8T.9T.10T.11MAI

Din tch tng (m2)195.84216.85206.20224.20238.33266.66252.65258.43247.10150.61

Din tch trat (m2)391.67433.70412.40448.40476.65533.31505.31516.85494.19301.23

3.Thng k khi lng trat dm trn, ct, cu thang:

n v tnh: m2, din tch trat ct, dm trn, cu thang ly bng din tch ct pha.

Tn CKDIN TCH CN TRAT CUA CAC TNG (m2)

T.Hm T. TrtT.1T.2T.3va 4T. 5 n 7T.8T.9va10T.11Mai

Ct 66.30144.00144.00144.00144.00132.00128.40124.80110.4028.80

Dm 197.70208.98214.15217.45213.25225.70226.55220.05184.3542.40

Trn261.20236.10311.15324.80312.10310.65310.85302.80406.18162.70

Thang b19.6027.2327.2327.2327.2327.2327.2327.2315.90

Thang may73.5084.8084.8084.8084.8084.2083.6083.0083.00

Tng cng618.30701.11781.33798.28781.38779.78776.63757.88799.83233.90

4. Chi ph lao ng cho cng tac trat:

Vi van khun dung la FUVI nn b mt btng at c phng cao, v vy ta chon chiu day cua lp trat: tng trong la 1cm, tng ngoai co ke vach va yu cu chng thm chon chiu day lp trat 2cm. Theo nh mc 1242 ta co chi ph cho cng tac trat vi day 1cm, 2cm la nh nhau.

CHI PH LAO NG CHO CNG TAC TRAT

Tng Tn CKn vKhi lng (m2)nh mcCng yu cuTng cng

Ma hiuCng /. V

12345678

T. HM Tng m2391.67PA-11200.19777.159278.018

Ct66.30PA-21100.49833.017

Dm 197.70PA-31100.3365.241

Trn 261.20PA-32100.378.360

Thang b19.60PA-21100.4989.761

Thang may73.50PA-11200.19714.480

T. TRT Tng m2433.70PA-11200.19785.438327.208

Ct144.00PA-21100.49871.712

Dm 208.98PA-31100.3368.962

Trn 236.10PA-32100.370.830

Thang b27.23PA-21100.49813.561

Thang may84.80PA-11200.19716.706

T.1 Tng m2412.40PA-11200.19781.243347.235

Ct144.00PA-21100.49871.712

Dm 214.15PA-31100.3370.670

Trn 311.15PA-32100.393.345

Thang b27.23PA-21100.49813.561

Thang may84.80PA-11200.19716.706

T.2 Tng m2448.40PA-11200.19788.335359.511

Ct144.00PA-21100.49871.712

Dm 217.45PA-31100.3371.759

Trn 324.80PA-32100.397.440

Thang b27.23PA-21100.49813.561

Thang may84.80PA-11200.19716.706

T.3va4 Tng m2476.65PA-11200.19793.900359.881

Ct144.00PA-21100.49871.712

Dm 213.25PA-31100.3370.373

Trn 312.10PA-32100.393.630

Thang b27.23PA-21100.49813.561

Thang may84.80PA-11200.19716.706

T.5 n 7 Tng m2533.31PA-11200.197105.062368.622

Ct132.00PA-21100.49865.736

Dm 225.70PA-31100.3374.481

Trn 310.65PA-32100.393.195

Thang b27.23PA-21100.49813.561

Thang may84.20PA-11200.19716.587

T.8 Tng m2533.31PA-11200.197105.062367.052

Ct128.40PA-21100.49863.943

Dm 226.55PA-31100.3374.762

Trn 310.85PA-32100.393.255

Thang b27.23PA-21100.49813.561

Thang may83.60PA-11200.19716.469

T.9 Tng m2505.31PA-11200.19799.545355.064

Ct124.80PA-21100.49862.150

Dm 220.05PA-31100.3372.617

Trn 302.80PA-32100.390.840

Thang b27.23PA-21100.49813.561

Thang may83.00PA-11200.19716.351

T.10 Tng m2516.85PA-11200.197101.820357.338

Ct124.80PA-21100.49862.150

Dm 220.05PA-31100.3372.617

Trn 302.80PA-32100.390.840

Thang b27.23PA-21100.49813.561

Thang may83.00PA-11200.19716.351

T.11 Tng m2494.19PA-11200.19797.356359.292

Ct110.40PA-21100.49854.979

Dm 184.35PA-31100.3360.836

Trn 406.18PA-32100.3121.853

Thang b15.90PA-21100.4987.918

Thang may83.00PA-11200.19716.351

MAI Tng m2301.23PA-11200.19759.342136.486

Ct28.80PA-21100.49814.342

Dm 42.40PA-31100.3313.992

Trn 162.70PA-32100.348.810

5.T chc thi cng trat tng:

-Trat tng trong vi din tch trat tng trong bng din tch dm + trn + ct tng bn trong nha, mt pha trong i vi tng bin + cu thang b, mt cu thang may.

-Trat tng ngoai: khi lng con lai.

Tng nha HM TRTT.1T.2T. 3 va 4T.5n 7T.8T.9T.10T.11MAI

Din tch trat tng trong (m2)934.571049.431114.181153.771151.001177.731174.581147.311159.871198.99384.51

Din tch trat tng ngoai (m2)75.4085.3779.5592.91107.04135.37135.37115.88114.8695.03150.61

Do cng trnh co chiu cao ln, khi lng cng tac xy trat tng i ln. Nu chon phng an xy xong ri mi trat th thi gian keo dai tng co th b ru mc tn cng lam v sinh khi trat. y, ta chon phng an xy kt hp vi trat tng trong.

TIN THI CNG TRAT TNG

TIN TRAT TNG TRONG

TNG T.Hm T. TrtT.1T.2T.3va 4T. 5 n 7T.8T.9T.10T.11T.Mai

S cng yu cu263.16310.39331.56341.21338.79341.96340.38332.24334.71340.57106.82

S cng nhn tham gia1515151515151515151515

S ca thc hin17.5420.6922.1022.7522.5922.8022.6922.1522.3122.707.12

Chon172022222222222222227

H.s thc hin nh mc1.031.031.001.031.031.041.031.011.011.031.02

TIN TRAT TNG NGOAI

TNG T. Hm T. TrtT.1T.2T.3va 4T. 5 n 8T.9T.10T.11T.Mai

S cng yu cu14.8516.8215.6718.3021.0926.6722.8322.6318.7229.67

S cng nhn tham gia15151515151515151515

S ca thc hin0.991.121.041.221.411.781.521.511.251.98

Chon11111.51.51.51.51.52

H.s thc hin M0.991.121.041.220.941.191.011.010.830.99

PHN C: THIT K BIN PHAP T CHC THI CNG

Chng 1: PHNG HNG THI CNG TNG QUAT:Da vao c im kinh t va yu cu cht lng cua cng trnh ta t chc thi cng cng trnh theo phng phap dy chuyn. T chc thi cng sao cho cac cng vic khng b chng cheo, am bao cht lng cng trnh tt vi tin thi cng nhanh nhm sm a cng trnh vao s dung. Mt s cng vic co khi lng ln ta t chc thi cng bng c gii am bao hiu qua kinh t va giam bt sc lao ng bng thu cng. Ta t chc thi cng cng trnh theo cac giai phap sau:

+C gii hoa b phn kt hp vi thu cng.

+T chc thi cng cac cng vic theo phng phap dy chuyn.

+Dung cac t th chuyn nghip thi cng cac cng vic chu yu, con cac cng tac khac tuy theo trng hp s dung ma iu chnh cho thch hp.

Lit k cng tac thi cng chu yu:

I. Cng tac phn ngm: 1. Ep coc

2. Ep c

3. ao h mong bng c gii

4. ao t h mong KV1 bng thu cng

5. p u coc h mong KV1

6. btng lot h mong KV1

7. Gia cng lp t ct thep ai mong KV1

8. Gia cng lp dng van khun ai mong KV1

9. btng ai mong KV1

10. Thao van khun ai mong KV1

11. Lp t h mong KV1

12. ao t h mong KV2 bng thu cng

13. p u coc h mong KV2

14. btng lot h mong KV2

15. Gia cng lp t ct thep ai mong KV2

16. Gia cng lp dng van khun ai mong KV2

17. btng ai mong KV2

18. Thao van khun ai mong KV2

19. Lp t h mong KV2

20. btng lot dm mong

21. Gia cng lp t ct thep dm mong

22. Gia cng lp dng van khun dm mong, c mong.

23. btng dm mong, c mong

24. Thao van khun dm mong, c mong

II. Cng tac phn thn:

25. Gia cng lp t ct thep ct, thang may (tng hm co thm tng)

26. Gia cng lp dng van khun ct, thang may (tng hm co thm tng)

27. btng ct, thang may (tng tng hm)

28. Thao van khun ct, thang may (tng tng hm)

29. Gia cng lp dng van khun dm, san, thang b.

30. Gia cng lp t ct thep dm, san, thang b

31. btng dm san, thang b

32. Thao van khun dm san, thang b

33. uc lanh t

34. Xy tng, lp t lanh t, xy bc thang

35. Trat tng trong: ct, dm, trn, cu thang

36. Lat gach chng trt, p gach men khu W.C

37. Btng lot hm v sinh, b nc ngm

38. Gia cng lp t ct thep hm v sinh, b nc ngm

39. Gia cng lp dng van khun hm v sinh, b nc ngm

40. btng hm v sinh, b nc ngm

41. Thao van khun hm v sinh, b nc ngm

42. Btng lot nn tng hm

43. Gia cng lp t ct thep nn tng hm

44. btng nn tng hm

45. Xy bc cp sanh

46. Trat tng ngoai

47. Lp ca knh khung nhm

48. Lat gach Granite bc thang

49. Lat gach Ceramic cho san tng

50. Lat gach nn tng hm, bc cp sanh

51. Sn vi tng trong

52. Sn vi chng thm tng ngoai

53. Lp lan can cu thang

54. Lp t thit b v sinh

III. Cng tac phn mai:

55. Quet Flinketo chng thm.

56. Lat lp chng nong Isofoam.

57. Lang lp va bao v day 2cm.

Chng 2: TNH TOAN KHI LNG CNG TAC, HAO PH LAO NG

VA CA MAY CHO CAC CNG TAC.

phn trn ta a tnh toan khi lng va t chc thi cng mt s cng tac chnh, v vy phn nay ta ch tnh toan khi lng cac cng vic con lai.

I. Phn ngm:

1. ao h mong bng thu cng khu vc 1:

Khi lng t cn ao: 159,24m3, theo nh mc 1242 ma hiu BA-120 chi ph ao 1m3 0,62cng. Vy cng yu cu: 159,24.0,62 = 98,73cng.

2. Pha v btng u coc cho mong khu vc 1:

Khi lng btng u coc cn pha v:

n.V = 67.(0,3.0,.3.0,6) = 3,618m3 (n-s coc; V-khi lng btng p cho mt coc). Theo nh mc 1242 th chi ph nhn cng 3,29cng/m3. Vy cng yu cu: 3,618.3,29 = 11,9cng.

3. btng lot mong khu vc 1:

Khi lng btng lot: 7,46m3, theo nh mc 1242 ma hiu HA-1110: 1,65cng/1m3. Vy cng yu cu la: 7,46.1,65 = 12,31cng.

4. Lp t h mong khu vc 1:

Khi lng t cn lp: 159,24m3, theo nh mc 1242 ma hiu BB-1112: 0,6cng/1m3. Vy cng yu cu la: 159,24.0,6 = 95,54cng.

5. ao h mong bng thu cng khu vc 2:

Khi lng t cn ao: 153,26m3, theo nh mc 1242 ma hiu BA-120 chi ph ao 1m3 0,62cng. Vy cng yu cu: 153,26.0,62 = 95,02cng.

6. Pha v btng u coc cho mong khu vc 2: ging nh khu vc 1.

7. btng lot mong khu vc 2:

Khi lng btng lot: 7,3m3, theo nh mc 1242 ma hiu HA-1110: 1,65cng/1m3. Vy cng yu cu la: 7,3.1,65 = 12,05cng.

8. Lp t h mong khu vc 2:

Khi lng t cn lp: 153,26m3, theo nh mc 1242 ma hiu BB-1112: 0,6cng/1m3. Vy cng yu cu la: 153,26.0,6 = 91,96cng.

9. Btng dm mong:

Khi lng va chi ph lao ng cho cac cng tac:

Cng tacn v Khi lngnh mcCng yu cuS nhn cng tham giaS ca thc hinChonH.s thc hin M

Ma hiuCng/.v

Btng lot a 4x6m33.61HA-11101.655.96100.600.51.19

SX-L ct theptn4.96IA-232110.0449.80104.9851.00

SX-LD van khunm2167.40KB-211031.31/10052.41105.2451.05

btng a 1x2 m333.04HC-31102.5684.57165.2951.06

Thao d van khunm2167.40KB-21106.96/10011.6533.8840.97

II. Phn thn:

1.uc lanh t:

TngKch thc (m)S lngKhi lng BT 1CK(m3)Khi lng btng (m3)Tng cng (m3)

Rng Cao Dai

12345678

T. HM0.10.11.320.0130.0260.100

0.10.11.240.0120.048

0.20.11.310.0260.026

T. TRT0.10.11.230.0120.0360.257

0.20.11.220.0240.048

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.310.0260.026

0.20.12.520.0500.100

T.10.10.11.240.0120.0480.219

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.520.0500.100

T.20.10.11.230.0120.0360.358

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

T. 3 va 40.10.11.230.0120.0360.598

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

0.20.1340.0600.240

T. 5 n 80.10.11.230.0120.0360.826

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

0.20.1360.0600.360

0.20.12.720.0540.108

T.9 0.10.11.230.0120.0360.718

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

0.20.1360.0600.360

T.100.10.11.230.0120.0360.741

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

0.20.1360.0600.360

0.10.12.310.0230.023

T.110.10.11.250.0120.0600.405

0.10.1140.0100.040

0.10.10.710.0070.007

0.20.11.210.0240.024

0.20.12.540.0500.200

0.10.11.730.0170.051

0.10.12.310.0230.023

MAI0.20.11.220.0240.0480.27

0.20.11.620.0320.064

0.20.11.310.0260.026

0.20.11.160.0220.132

TNG CNG (m3)7.568

Theo nh mc 1242, ma hiu HA-3310: 3,8cng/1m3. Vy cng yu cu cho cng tac uc lanh t la: 7,568.3,8 = 28,76cng.

2. Xy b nc ngm, hm v sinh:

- B nc ngm co kch thc: b.l.h = 4,35x6,4x2,2m. Thanh, ay bng BTCT mac 200 day 200mm.

- Hm v sinh co kch thc: b.h.l = 3,55x3,75x1,5m. Thanh, ay bng BTCT mac 200 day 200mm.

- Np an b nc ngm, hm v sinh bng btng ct thep day 100mm.


Tn cng tacn vKhi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChonH.s thc hin M

Ma hiuCng/. V

btng lot a 4x6m34.12HA-11101.656.7961.1311.13

t ct theptn1.97IA-211113.6326.8664.4841.12

Lp dng van khunm249.06KB-211031.19/10015.3043.8340.96

btng a 1x2 m313.14HC-21102.5633.6384.2041.05

Thao van khunm249.06KB-21107.09/1003.4840.8710.87

3. btng nn tng hm:


Tn cng tacn vKhi lngnh mcS cng yu cuS nhn cng tham giaS ca thc hinChonH.s thc hin M

Ma hiuCng/. V

Btng lotm318.2HA-11201.1821.48102.1521.07

GC-L ct theptn0.71IA-251114.6310.39101.0411.04

btngm323.7HC-13100.5813.7571.9620.98

Lat gach nnm2237.02SA-71100.494.81204.7450.95

4. Xy bc cp sanh:

Bc cp sanh gm 12 bc, kch thc mi bc b.h.l = 0,3x0,17x6,4m. Khi lng: 1,96m3.

Theo nh mc 1242 ma hiu GH-1210: 1,38cng/1m3. Vy cng yu cu cho cng tac la: 1,96.1,38 = 2,7cng.

5. Lat a granic en bc cp sanh, bc cp cu thang:


TNGn vKhi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChonH. s thc hin M

Ma hiuCng/.v

Lat a Granite bc cp sanh

m236.10SA-75100.3512.63200.630.51.26

Lat a Granite en cu thang b

T. Hmm211.25SA-75100.455.0651.0111.01

T. Trtm211.77SA-75100.455.3051.0611.06

T. 1 n 11m211.57SA-75100.455.2151.0411.04

Lat a Granite en cu thang thoat him

T. Hmm27.07SA-75100.453.1850.640.51.25

T. Trtm213.34SA-75100.456.0051.2011.20

T. 1 n 10m213.04SA-75100.455.8751.1711.17

6.Lat gach ceramic (40x40cm) cho san cac tng:

Khi lng lat san:

TngTrtT.1T.2T.3T.4 n 9T.10 va 11Mai

Din tch san (m2)259.42183.17315.57329.48314.87303.7566.18

S lng gach (vin)1621.381144.811972.312059.271967.911898.44413.63

Chi ph lao ng cho qua trnh:

TNGn vKhi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChonH s thc hin nh mc

Ma hiuCng/.v

T. Trtm2259.42SA-72100.3283.01204.1541.04

T. 1 m2183.17SA-72200.3869.60203.483.50.99

T. 2m2315.57SA-72200.38119.92206.0061.00

T. 3m2329.48SA-72200.38125.20206.2661.04

T. 4 n 9m2314.87SA-72200.38119.65205.9861.00

T. 10 n 11m2303.75SA-72200.38115.43205.7760.96

T. Mai m266.18SA-72200.3825.15201.261.50.84

7. Lat gach chng trt, p gach men tng khu v sinh:

Tng khu v sinh p gach men 15x15cm cao 1,2m; san khu v sinh lat gach chng trt 20x20cm:

* Khi lng qua trnh:

P GACH CHNG TRT 20x20cmP GACH MEN TNG 15x15cm

TngHmTrt n 11TngHmTrt n 11

Din tch cn p (m2)3.2922.11Din tch cn p (m2)8.0436

S lng gach (vin)82.25552.75S lng gach (vin)357.331600

Tng cng (vin)6715.25Tng cng (vin)19557.33

* Chi ph lao ng cho cac cng tac:

TNGn vKhi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChonH. s thc hin M

Ma hiuCng/.v

p gach men 15x15cm tng WC

T. Hmm28.04QB-11100.675.3951.0811.08

T. Trt n 11m236QB-11100.6724.1254.824.51.07

Lat gach chng trt 20x20cm san WC

T. Hmm23.29SA-61100.20.6650.13--

T. Trt n 11m222.11SA-61200.224.8650.9710.97

8.Lp t cac thit b v sinh:

Khi lng va chi ph lao ng cho qua trnh:

TngCng tacn vKhi lngnh mcCng yu cuTng cngS nhn cng tham giaS ca thc hinChonH.s thc hin M

Ma hiuCng/.v

HmChu xB1ZI-21101.51.5250.400.50.80

u tiuB-ZI-22101.5

Chu raB1ZI-11100.50.5

T. Trt n 11Chu xB4ZI-21101.561152.2021.10

u tiuB2ZI-22101.53

Chu raB4ZI-11100.52

9.Lan can cu thang:

Khi lng va chi ph lao ng cho qua trnh:

Tngn vKhi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChonH.s thc hin M

Ma hiu Cng/.v

T. Hmm28.41NB-22100.43.3631.1211.12

T. Trtm210.92NB-22100.44.3731.461.50.97

T. 1 n 10m210.73NB-22100.44.2931.431.50.95

T. 11m25.688NB-22100.42.2830.7610.76

10.Lp dng ca knh khung nhm:

Khi lng va chi ph cho cng tac:

Tng n v Khi lngnh mcCng yu cuS cng nhn tham giaS ca thc hinChon H.s thc hin nh mc

Ma hiuCng/.v

T. Hmm222.55NB-21200.36.77100.680.51.35

T Trtm2136.08NB-21200.340.82104.0841.02

T.1m2129.47NB-21200.338.84103.8840.97

T.2m2137.95NB-21200.341.39104.1441.03

T. 3va 4m2109.36NB-21200.332.81103.2831.09

T.5n8m2100.28NB-21200.330.08103.0131.00

T.9 va 10m2114.08NB-21200.334.22103.423.50.98

T.11m2160.27NB-21200.348.08104.8150.96

Maim235.09NB-21200.310.53101.0511.05

11. Sn vi cng trnh: din tch sn vi bng din tch trat tng.

Qua trnh sn vi cng trnh c chia lam hai giai oan: sn trong va sn ngoai. Sn trong 2 nc, sn ngoai 3 nc.

* Khi lng va chi ph lao ng cho cng tac sn vi tng trong:


Ma hiuCng/.v

T. Hmm2934.57UC-21100.07267.29203.363.50.96

T. Trtm21049.43UC-21100.07275.56203.7840.94

T. 1m21114.18UC-21100.07280.22204.0141.00

T. 2m21153.77UC-21100.07283.07204.1541.04

T. 3 n 4m21151.00UC-21100.07282.87204.1441.04

T. 5 n 7m21177.73UC-21100.07284.80204.2441.06

T. 8m21174.58UC-21100.07284.57204.2341.06

T. 9m21147.31UC-21100.07282.61204.1341.03

T. 10m21159.87UC-21100.07283.51204.1841.04

T. 11m21198.99UC-21100.07286.33204.3241.08

T. Maim2384.51UC-21100.07227.68201.381.50.92

* Khi lng va chi ph lao ng cho cng tac sn tng ngoai:


Ma hiuCng/.v

T. Hmm275.40UC-21200.0916.8670.9810.98

T. Trtm285.37UC-21200.0917.7771.1111.11

T. 1m279.55UC-21200.0917.2471.0311.03

T. 2m292.91UC-21200.0918.4571.2111.21

T. 3 n 4m2107.04UC-21200.0919.7471.391.50.93

T. 5 n 8m2135.37UC-21200.09112.3271.761.51.17

T. 9m2115.88UC-21200.09110.5471.511.51.00

T. 10m2114.86UC-21200.09110.4571.491.51.00

T. 11m295.03UC-21200.0918.6571.241.50.82

T. Maim2150.61UC-21200.09113.7171.9620.98

III. Phn mai:1. Quet lp Flinkote chng thm:

2. Lat lp chng nong Isofoam:

3. Lang lp va bao v day 2cm:

Khi lng va chi ph cua cac cng tac tnh c bang sau:

Tn cng tacn vKhi lngnh mcS cng yu cuS cng nhn tham giaS ca thc hinChonH.s thc hin M

Ma hiuCng/.v

Lp va bao v M75D20m2467.30RA-11200.07836.45182.0221.01

Lat tm chng nong Isofoamm2467.30SA-81200.22102.81185.715.51.04

Quet Flinkote chng thmm2467.30UC-42100.0314.02180.7810.78

* La chon may trn btng: (phuc vu cho trn btng lot)

Khi lng btng lot dung ln nht trong 1 ca la: 9,1m3 ( btng lot nn tng hm). Vy ta phai chon may co Wca ( 9,1m3/ca.

Vi cng btng khng ln lm nn chon may trn btng theo chu ky, trn t do. Chon may trn btng BS-100 , co cac thng s ky thut chnh nh sau :

- Dung tch hnh hoc cua thung trn : Vhh = 215 lt.

- Dung tch san xut : Vb = 100 lt.

-Thi gian trn : 70 giy/me.

-Thi gian nap liu : 20 giy.

-Thi gian btng ra : 20 giy .

Chu k mt me trn : tck = 70 + 20 + 20 = 110 giy.

S me trn trong mt gi : 3600/110 = 32 me.

Nng sut trn :

Nca = Vsx.n.kxl.ktg.tca = 100.10-3 x32x0,7x0,75x7 = 11,7 m3/ca.

Chng 3: TNG TIN THI CNG CNG TRNHI. Lp tng tin thi cng:

1. Muc ch, y ngha cua cng tac thit k va t chc thi cng:

a/ Muc ch:

+Nng cao c nng sut lao ng va hiu sut cua cac loai may moc, thit b phuc vu cho vic thi cng.

+am bao c cht lng cng trnh.

+am bao c an toan lao ng cho cng nhn va bn cho cng trnh.

+am bao c thi gian thi cng.

b/Y ngha:

Cng tac thit k t chc thi cng giup ta co th am nhim thi cng t chu trong cac cng vic sau:

+Chu ng thi cng ngoai cng trng.

+iu phi nhp nhang cac khu phuc vu cho thi cng.

+Khai thac va ch bin vt liu.

+Vn chuyn va bc d cac loai vt liu, cu kin. . .

+Xy hoc lp cac b phn cng trnh.

+Trang tr va hoan thin cng trnh.

Phi hp cac cng tac mt cach khoa hoc gia cng trng vi cac x nghip hoc cac c s san xut khac.

iu ng mt cach hp ly nhiu n v san xut trong cung mt n v thi gian va trn cung mt a im xy dng.

Huy ng mt cach cn i va quan ly nhiu mt nh: nhn lc, vt t, dung cu may moc, thit b, phng tin vn chuyn. . . trong mt thi gian s dung.

2. Chon m hnh tin :

Sau khi a tng hp chi ph nhn cng cho cac cng tac thanh phn tin hanh sp xp cac cng vic , iu ng nhn lc tin hanh thi cng cng trnh. Vic sp xp cac cng vic oi hoi phai am bao trnh t cng ngh, am bao yu cu v s dung tai nguyn.M hnh tng tin c la chon la s xin.

3. Phi hp cng vic theo thi gian:

Tach ring cac qua trnh chu yu trong s cac cng vic cn thi cng, s b sp xp chung theo trnh t cng ngh a xac nh co khung tin . Cac cng tac nay bao gm : cng tac thi cng ao mong ,cng tac btng mong, cng tac btng phn thn, cng tac xy tng , trat tng . . .

n nh thi gian thi im thc hin cac cng vic con lai sao cho phu hp vi trnh t cng ngh a xac nh :

i vi cac cng tac a co bin phap thi cng ring nh : cng tac ao mong, cng tac btng mong, cng tac btng phn thn gi nguyn tin a lp va a vao tin thi cng toan cng trnh.

- i vi cac qua trnh chu yu con lai, t chc dy chuyn thi cng dang dy chuyn n.

Lin h v thi gian cua cac qua trnh chu yu c xac nh theo dy chuyn b phn lin quan :

- Phai am bao cac gian oan cng ngh gia cac cng vic. Ngoai gian oan ky thut trong tng dy chuyn ky thut con co cac gian oan nh : gia cng tac xy tng va trat tng khoang 5 ( 7 ngay (tuy mac va va iu kin thi tit), gia trat tng va ba mactic tng (hoc quet vi) khoang 5 ( 7 ngay (khi thi tit kh nng)...

BANG TNG HP NHN CNG LAO NG

STTTn cng vicn vKhi lngCng yu cuNhn lcThi gian

1234567

1Ep cocm2405.30531.61052

2Ep cm1061.5049.7424

3ao mong bng c giim3591.4015.3101.5

4ao h mong bng thu cng KV1m3159.2498.7205

5p u coc cho h mong KV1m33.6211.9121

6 btng lot mong a 4x6 Mac 100m37.4612.3121

7t ct thep mong tn4.9131.265

8t van khun mongm2105.5333.065.5

9 btng mongm381.8051.5105

10Thao van khun mongm2105.537.332.5

11Lp t h mong KV1m3159.2495.5204.5

12ao h mong bng thu cng KV2m3153.2695.0204.5

13p u coc cho h mong KV2m33.6211.9121

14 btng lot mong a 4x6 Mac 100m37.3012.0121

15t ct thep mong tn4.8430.765

16t van khun mongm2104.5732.765.5

17 btng mongm380.6550.8105

18Thao van khun mongm3104.577.332.5

19Lp t h mong KV2m3153.2692.0204.5

20 btng lot dm mong a 4x6 Mac 100m33.616.0100.5

21t ct thep dm mong+c mongtn4.9649.8105

22t van khun dm mong + c mongm2167.4052.4105

23 btng dm mong+c mongm333.0484.6165

24Thao van khun dm mong+c mongm2167.4011.734

25t ct thep ct, (tng TH),thang maytn67.55670.01070

26t van khun ct, (tng TH), thang maym23034.15958.41469

27 btng ct, (tng TH), thang maym3412.141192.51769

28Thao van khun ct, (tng TH), thang maym23034.15203.1369

29t van khun dm, san, cu thang bm27345.032126.72293.5

30t ct thep dm, san, cu thang btn75.69758.3893

31 btng dm, san, cu thang bm3781.321612.31793

32Thao van khun dm, san, cu thang bm27345.03471.7593

33Ch tao lanh tm37.5728.874

34Xy tng, xy bc cu thang- Lp lanh tm3509.00723.85143

35Trat tng trong ct, dm, trn, cu thangm215152.374404.530149

36Lat gach chng trt, p gach men WCm2708.65353.9567

37Btng lot hm v sinh, b nc ngmm34.126.861

38t ct thep hm v sinh, b nc ngmtn1.9726.964

39t van khun hm v sinh, b nc ngmm249.0615.344

40 btng hm v sinh, b nc ngmm313.1433.684

41Thao van khun hm v sinh, b nc ngmm249.063.541

42Btng lot nn tng hmm318.2021.5102

43Ct thep nn tng hmtn0.7110.4101

44 btng nn tng hmm323.7013.772

45Xy bc cp cho sanhm31.962.731

46Quet Flinketo chng thm san thngm2467.3014.0181

47Lat lp chng nong Isofoam san thngm2467.30102.8185.5

48Lang lp va bao v san thngm2467.3036.4182

49Trat tng ngoai m21565.14308.31519.5

50Lp ca knh khung nhmm21360.05440.82022

51Lat gach granite cho bc thangm2301.10135.5525.5

52Lat gach Ceramic cho san tng (trt n mai)m23650.511371.64035.5

53Lat gach nn tng hm + cho bc cp sanhm2273.12107.4205.5

54Sn vi tng trongm215152.371091.04027.5

55Sn chng thm tng ngoaim21565.14142.4719.5

56Lp lan can cho cu thangm2132.2952.9318.5

57Lp thit b v sinhb122.00134.0524.5

II. Lp k hoach va biu cung cp -d tr -s dung vt liu:

Cn c vao phng an t chc thi cng cng trnh, tnh toan khi lng vt liu cn cung cp, s dung trong qua trnh thi cng. T o xac nh nhu cu cung cp va d tr vt liu. Trong ni dung an tt nghip nay, tnh toan cho hai loai vt liu chnh la :

- Cat :s dung loai cat vang.

- Ximng :s dung ximng PC30.

1.Phn tch vt liu:

SttTn cng vic. VKhi lngLoai vt liu. VSHMKhi lng vt liu

1vTng

123456789

1Btng lot mong KV1, Mac 100 a 4x6m37.462XM PC30kgC214-11951455.09

Catm30.5163.85

a 4x6m30.9096.78

2Btng lot mong KV2, Mac 100 a 4x6m37.300XM PC30kgC214-11951423.50

Catm30.5163.77

a 4x6m30.9096.64

3Btng lot dm mong, Mac 100 a 4x6m33.613XM PC30kgC214-1195704.54

Catm30.5161.86

a 4x6m30.9093.28

4Btng lanh t, Mac 200 a 1x2m37.568XM PC30kgC222-33612732.05

Catm30.453.41

a 1x2m30.8666.55

5Xy tng, bc cu thang va mac 75m3508.997Va 75#m3GH-12200.16583.98

XM PC30kgB121-4296.0324861.91

Catm31.1294.06

6Trat tng trong ct, dm, trn, cu thang, Mac va 75m3151.524XM PC30kgB121-4296.0344855.56

Catm31.12169.71

7Lat gach chng trt, p gach men tng W.C, va mac 50m310.630XM PC30kgB121-3213.022264.35

Catm31.1512.22

8Btng lot hm v sinh + b nc ngm, Mac 100 a 4x6m34.115XM PC30kgC214-1195802.47

Catm30.5162.12

a 4x6m30.9093.74

9Btng lot nn tng hm, Mac 100 a 4x6m318.200XM PC30kgC214-11953549.00

Catm30.5169.39

a 4x6m30.90916.54

10Xy bc cp sanh, va Mac 75m31.960Va 75#m3GH-12200.1650.32

XM PC30kgB121-4296.0395.74

Catm31.120.36

11Lat lp chng nong Isofoam, va Mac 50m37.010XM PC30kgB121-3213.021493.16

Catm31.158.06

12Lang lp va bao v san thng D 2cm, va Mac 75m39.346XM PC30kgB121-4296.032766.70

Catm31.1210.47

13Trat tng ngoai, va Mac 75m331.303XM PC30kgB121-4296.039266.58

Catm31.1235.06

14Lat gach Granite bc thang, va Mac 50m34.517XM PC30kgB121-3213.02962.10

Catm31.155.19

15Lat gach Ceramic san tng (trt n mai), va Mac 50m354.758XM PC30kgB121-3213.0211664.48

Catm31.1562.97

16Lat gach cho nn tng hm + bc cp sanh, va Mac 50m34.097XM PC30kgB121-3213.02872.68

Catm31.154.71

2. Cng s dung vt liu:

Cng s dung vt liu hng ngay c th hin bang sau:

SttCng vicXimng (kg)Cat (m3)Ngay

K. lngCng K. lngCng

1Btng lot mong KV11455.091455.093.853.851

2Btng lot mong KV21423.501423.503.773.771

3Btng lot dm mong704.541409.071.863.730.5

4Btng uc lanh t2732.05683.013.410.854

5Xy tng, bc cp cu thang24861.91173.8694.060.66143

6Trat tng trong44855.56301.04169.711.14149

7Lat gach chng trt, p gach tng WC2264.3533.8012.220.1867

8Btng lot hm v sinh, b ngm802.47802.472.122.121

9Btng lot nn tng hm3549.001774.509.394.702

10Xy bc cp sanh95.7495.740.360.361

11Lat lp chng nong Isofoam san thng1493.16271.488.061.475.5

12Lang lp va bao v san thng2766.701383.3510.475.232

13Trat tng ngoai9266.58475.2135.061.8019.5

14Lat gach Granite bc cu thang962.1037.735.190.2025.5

15Lat gach Ceramic san tng (trt n mai)11664.48328.5862.971.7735.5

16Lat gach cho nn tng hm, bc cp sanh 872.68158.674.710.865.5

Tng cng109769.92427.22463

3. Xac nh s xe vn chuyn va thi gian vn chuyn cat :

Cat c ly cach cng trnh 11 km, thi gian d tr la 3 ngay. Cn c vao tng tin thi cng nhn thy thi gian cat c s dung trong cng trnh la: 221,5 ngay.

Khi lng s dung cat toan b cng trnh la 423,98 m3. Cng s dung trung bnh la : m3/ngay.

S xe vn chuyn cn s dung tnh theo cng thc :

Trong o :

- tck la chu ky hoat ng cua xe, tck = ti + tv + tquay + tbc d :

+ Vn tc trung bnh i va v cua xe la 25km/h nn :

h

+ Vn tc quay vquay = 5 phut =0,08 h

+Vn tc bc d Vbc d = 12 phut = 0,2 h.

Do o chu ky hoat ng cua xe : tck = 0,88 + 0,08 + 0,2 = 1,16 h

S chuyn xe hoat ng trong 1 cala: chon 6 chuyn.

- k1 la h s s dung tai trong, k1 = 0,9.

- k2 la h s tn dung thi gian, k2 = 0,85.

- k3 la h s tn dung hanh trnh xe, k3 = 0,8.

Chon loai xe Zil -585 tai trong q = 3,5 tn, cat co dung trong ( = 1,8tn/m3 .

Nn mi chuyn xe ch c : V = 3,5/1,8 = 1,95 m3S xe vn chuyn cat : xe.

Chon 1 xe vn chuyn nn nng lc vn chuyn thc t cua xe la :

m3/ca .

S vn chuyn cat c th hin trn ban ve TC 06/064. Xac nh s lng xe va thi gian vn chuyn ximng :

Ximng c ly cach cng trnh 11 km, khi lng s dung la 110,15 tn; thi gian ximng c s dung trong cng trnh la: 221,5 ngay.

Cng s dung trung bnh la: tn/ngay.

Chon loai xe Zil-585 tai trong q = 3,5 tn.

Chu ky hoat ng cua xe la: h.

S chuyn xe hoat ng trong 1 cala: chon 6 chuyn.

S xe cn vn chuyn cat la: xe

Chon 1 xe vn chuyn nn nng lc vn chuyn thc t cua xe la :

tn/ca.

Khi lng vn chuyn trong 1 chuyn la: q =12,9/6 = 2,15 tn/chuyn.

S vn chuyn ximng c th hin trn ban ve TC 06/06III. Tnh toan din tch kho bai , in, nc phuc vu cng trng:1. Tnh din tch kho cha ximng :

Din tch co ch cua kho c tnh theo cng thc : ,

Trong o :

- Qmax la lng d tr vt liu ln nht, Qmax = 12,69 tn.

- qm la nh mc xp kho, i vi ximng co qm = 2 tn/m2.

Tnh c din tch co ch cua kho la: Fc = 6,34 (m2).

Din tch toan phn cua kho bai : (m2) .

Trong o k la h s s dung din tch kho. i vi ximng s dung kho kn, vt liu ong bao va xp ng, co li i cho ngi 1m; xe 2,5(4,5m th co k = (0,35(4)m. y do mt bng cng trnh hep, kho cha ximng thit k ch co mt li i cho ngi 1m. Nn ta chon k = 0,7.

Vy din tch kho ximng cn thit la : m2.

Chon kho co kch thc (3x3)m.

2. Tnh din tch bai cha cat :

Din tch co ch cua kho bai c tnh theo cng thc : ,

Trong o :

- Qmax la lng d tr vt liu ln nht, Qmax = 20,19 m3.

- qm la nh mc xp kho, i vi cat co qm = 2 m3/m2.

Tnh c din tch co ch cua kho bai la Fc = 10 m2.

Din tch toan phn cua kho bai : m2 .

Trong o k la h s s dung din tch kho. i vi cat s dung kho h nn chon k = 0,9.

Vy din tch kho bai cha cat cn thit la : m2.

Chon kho bai co kch thc (3x4)m.

3. Tnh toan nha tam : Nha tam gm hai loai :

- Nha tam phuc vu san xut thi cng xy lp.

Nha tam phuc vu cng tac quan ly i sng.

Cng nhn phuc vu cho cng trnh c tuyn tai a phng hoc khu vc ln cn nn t tuc v nhu cu sinh hoat va ch . V vy nha tam cho cng trnh ch co: nha tam cho ban ch huy cng trnh, can b ky thut va nhn vin quan l hanh chnh; nha tam cho bao v; nha tam cho tram y t.

Trong qua trnh thi cng mong, tng: hm, trt, mt, mt bng thi cng khng co nn kho bai cng trng nha tam b tr tam thi trn va he. Khi thi cng tng 2 van khun tng hm a thao xong nn tn dung lam kho bai vt liu. Khi thi cng tng 3 th mt bng tng trt a c giai phong tn dung lam nha tam cng trnh.

a/ Tnh toan nhn khu cng trng :- Cng nhn xy lp chnh : bng tung cao nht trong biu nhn lc, ta co N1 = 96 ngi.- Cng nhn san xut phu tr : N2 = 0,25.N1 = 0,25.96 = 24 ngi.

- Can b ky thut : N3 = 0,08.(N 1+ N2) = 0,08.(96+24)= 9 ngi.

- Nhn vin quan ly hanh chnh kinh t : N4 = 0,06.(N 1+ N2) = 0,06.(96 + 24) = 7 ngi.

- Nhn vin phuc vu cng trng (bao v) : N5 = 0,03.( N 1+ N2 ) = 4 ngi.

- Lao ng phuc vu (tram y t): N6 = 0,05.(N 1+ N2 + N3 + N4 +N5) = 7 ngi.

b/ Tnh din tch cac loai nha tam : - Nha ngh tam cho ban ch huy cng trnh, can b ky thut va nhn vin quan l hanh chnh tiu chun 4m2/ngi.

F2 = 4.(N3+N4) = 4.(9+7) = 64 m2.

- Nha tam cho nhn vin bao v tiu chun 4m2/ngi.

F2 = 4.N5 = 4.4 = 16 m2.

- Tram y t, tiu chun 0,04 m2/cng nhn :

F5 = 0,04x147 = 6m2.

4. Tnh toan in phuc vu thi cng :

Ngun in c ly t mang in chung cua thanh ph.

a/ in cho ng c may thi cng : Pdc (kw)

Trong o :

(Pdc : Tng cng sut cua may thi cng.

Pdci : Cng sut yu cu cua tng ng c

k1 : H s dung in khng ng thi k1 = 0,7.

cos( : H s cng sut , cos( = 0,8.

Cng sut cua cac loai may :

- May vn thng PGX-800-16 : 3,1 kw.

- Cn truc thiu nhi T-108 : 4 kw.

- May bm btng USB-5B : 11kw

- May m dui I-21A : 1 kw.

Do o : (Pdc = 3,1 + 4 + 11+ 1= 19,1kw.

Pdc = (0,7x19,1/0,8) = 16,7 kw.

b/ in dung chiu sang trong nha tam :

Ta co : Pcstr (kw)

qi : nh mc chiu sang trong nha : qi = 15 w/m2.

si : Din tch chiu sang trong nha tam (cho nha tam can b ky thut, nha bao v, tram y t) co si = 86 m2.

k3 = 0,8

Do o : Pcstr = (0,8x86x15)/1000 = 1,03kw.

c/ in chiu sang kho, bai cha vt liu :

Ta co : Pcsng(kw)

Trong o :qi = 3 w/m2 ; k4 = 1; si = 1/2 din tch tng hm = 118m2.

Pcsng = (1x3x118)/1000 = 0,354 kw

d/ in chiu sang bao v :

C 30m t mt bong en 60w, oan ng cn bao v dai 69 m, nh mc tiu thu la 1,5 kw/km.

Tng cng : 1,5x0,069 = 0,104 kw.

5. Tnh toan cp nc tam :

Do c im mt bng cua cng trnh hep, nn nc tam cho cng trnh ch tnh phuc vu cho nhu cu san xut (bng ging khoang), nhu cu sinh hoat cua cng nhn, can b, nhn vin quan l trong qua trnh lam vic. Con cac nhu cu khac c thc hin tai ni c tru.

a/ Nc san xut : lng nc nay c ly t ging khoang cng trnh.

Nsx = 1,2.[Qsx/(3600 . 8)].k1, trong o :

k1 = 1,5 la h s dung nc khng u hoa.

Qsx la lng nc tng hp dung cho san xut.

1,2 la h s k n cac nhu cu cha k ti.

+ Btng: cng trnh chu yu s dung btng thng phm, ch co btng lot bng thu cng vi lng nho. Nn lng nc chu yu la phuc vu cho cng tac dng h. Khi lng btng dung ln nht trong mt ca la 8,765m3 ( btng dm san, cu thang b tng 2), nh mc nc cho dng h la 300 l/m3.

Do o lng nc cn thit la : 8,765x300 = 2630 lt.

+ Xy tng: Khi lng tng xy ln nht trong 1 ca la: 3,857m3(xy tng t tng 5 n tng 8) ( lng gach xy trong mt ca la: 3,857.460 = 1774 vin, lng va xy la: 3,857.1,65 = 6,364 m3.

Tiu chun 1000 vin gach c ti 200 lt nc, 1m3 va xy cn 260 lt nc, do o lng nc cn thit :

6,364x260 + (1774/1000)x200 = 2010 lt.

+ Trat tng: Khi lng va trat tng ln nht trong mt ca la: 0,549m3 (trat tng tng hm). Tiu chun 1 m3 va trat cn 260 lt nc, do o lng nc cn thit la: 0,549x260 = 143lt.

Vy Qsx = 2630 + 2010 + 143 = 4783 lt/ca.

Do o : Nsx = (1,2x1,5x4783)/(3600x8) = 0,3 l/s.

b/Nc dung cho sinh hoat :

- Nc dung cho sinh hoat trn cng trng c ly t h thng cp nc cua thanh ph. Ch phuc vu cho cng nhn, can b ky thut trong ca lam vic.

Ta co : NSHCT = ( QSHCT.k2) /(3600x8), trong o :

k2 la h s dung nc khng u hoa, k2 = 3.

QSHCT = 15 (l/ngi).

Vy : NSHCT = (15x3x105)/(3600x8) = 0,164 l/s.

c/ Chon may bm cho ging khoang:

Cng sut may bm : HP.

Trong o: ( :la ty trong nc, ( = 1(kg/lt).

Hb: la chiu cao a nc cua may bm, Hb = 50 m .

(: la hiu sut may bm, ( = 0,7.

Cng sut ng c : Nc = 1,3x0,286 = 0,37 HP.

Chon may bm co cng sut > 0,37 ma lc.

SVTH: Phan Quc Ch Lp : 00X1C Khoa : XDDD & CN Trang 174

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