THIETHIET KET KE CONG TRNH CHU CONG TRNH CHU TATAI TROI TRONG NG OONG NG AAT BAT BANG NG ETABS THEO PHETABS THEO PHNG PHANG PHAP P

PHOPHO PHAPHAN N NGNG

TS. TS. LNG VN HLNG VN HIIAAI HOI HOC BAC BACH KHOA TP.HCMCH KHOA TP.HCM

MoMot cong trt cong trnh dan dunh dan dung gong gom 5 tam 5 tang, dieng, dien tn tch xay ch xay ddng B xL= (5x6)x(3x7) m2, chieng B xL= (5x6)x(3x7) m2, chieu cao cuu cao cua taa tang lang la3,5m, 3,5m, c xay dc xay dng tang tai quai quan 1 Than 1 Thanh Phonh Pho HoHo ChChMinh. GiaMinh. Gia thiethiet tt tng gang gach xay tren tach xay tren tat cat ca cacac dac dam m chchnh, tnh, tng dang day 200, khoay 200, khoang cang cach tch t mamat mot mong ng een n aa kiekieng lang la 1.5m. Hoa1.5m. Hoat tat tai toai toan phan phan n ptp=200kG/m2, np=1.2ptp=200kG/m2, np=1.2.. ChoChon ben be daday say san 10cm, n 10cm, kkch thch thc dac dam chm chnh 30x60 cm2, henh 30x60 cm2, he dadam phum phu trtrc c giao 20x35 cm2, cogiao 20x35 cm2, cot tat tang 1,2 cong 1,2 co tietiet diet dien 30x40 n 30x40 cm2, cocm2, cot tat tang 3,4,5 cong 3,4,5 co tietiet diet dien 30x30 cm2. Be n 30x30 cm2. Be tong catong cap p oo beben B20. con B20. co E=2.7e6 T/m2E=2.7e6 T/m2

1.1. BABAI TOAI TOAN N IEIEN HNHN HNH

1.1 T1.1 TNH TANH TAI (DEAD)I (DEAD)

1.1.1 T1.1.1 Tnh tanh tai tai tac duc dung len bang len ban san sannCaCac Lc Lp Cap Cau Tau Tao Sao San n 110 110 (kG/m2)(kG/m2)

1.1.2 Ta1.1.2 Tai Troi Trong Do Tng Do Tng Xay Tren Dang Xay Tren Dammgt= bt. ht.ng.gt= bt. ht.ng.t =0.2(3.5 t =0.2(3.5 0.6)x1.1 = 0.6)x1.1 = 11481148(kG/m)(kG/m)

1.1.3 T1.1.3 Tnh Tanh Tai Cui Cua Troa Trong Lng Lng Bang Ban n Than DaThan Dam, Sam, San: n: ChChng trng trnh tnh t ttnh toanh toan.n.

1.2 HOA1.2 HOAT TAT TAI (LIVE)I (LIVE)

1.2.1 Hoa1.2.1 Hoat tat tai sai san: s bon: s bo chochon van va gagan hoan hoat t tatai sai san con co cucung giang gia tr tr 240240 (kG/m2)(kG/m2)

1.2.2 Hoa1.2.2 Hoat tat tai gioi gio (Wind)(Wind)

1.3 TA1.3 TAI TROI TRONG NG OONG NG AAT (QUAKE)T (QUAKE)

1.3.1 V tr1.3.1 V tr cong trcong trnh vanh va aac trc trng neng nen n aat dt di chan cong tri chan cong trnhnh

Gia toGia toc nec nen trung bn trung bnh thienh thiet ket ke: ag = : ag = 1agR= 1x0.0848x9.81= 0.8319 m/s2, v1agR= 1x0.0848x9.81= 0.8319 m/s2, vi i oocacan nhn nht t =5% =5%

BABANG LOANG LOAI I AAT NET NEN CONG TRNHN CONG TRNH

1.3.2 Pho1.3.2 Pho phaphan n ng gia tong gia toc nec nenn

1.3.2.1 Pho1.3.2.1 Pho phaphan n ng ng aan hon hoii

-- PhoPho phaphan n ng ng aan hon hoi theo phi theo phng nang nam m ngangngang

Trong Trong oo

1.3.2.2 Pho1.3.2.2 Pho thiethiet ket ke dudung trong phan tng trong phan tch ch aan hon hoii

-- ooi vi vi thai thanh phanh phan than thang ng ng:ng:ooi vi vi cai cac thac thanh phanh phan than thang ng ng ng cucua taa tac c oong ng oong ng aat, phot, pho thiethiet ket kec xac xac c nh theo canh theo cac biec bieu thu thc c tren, trong tren, trong oo gia togia toc nec nen thien thiet ket ketheo phtheo phng ngang ag ng ngang ag c thay c thay babang gia tong gia toc nec nen thien thiet ket ke aVgaVg ; S ; S c lac lay bay bang 1,0.ng 1,0.

2.1 Xay d2.1 Xay dng mo hng mo hnhnh

2. CA2. CAC BC BC THC THC HIEC HIEN BAN BANG PHANG PHAN N MEMEM ETABSM ETABS

2.2. Khai ba2.2. Khai bao tao tai troi trong tham gia dao ng tham gia dao oong ng (Mass source)(Mass source)

2.3. Khai ba2.3. Khai bao sao san tuyen tuyet t ooi ci cng ng (Diaphragms)(Diaphragms)ChoChon tn tng sang san n --> Assign > Assign --> Shell/ Area > Shell/ Area --> > DiaphragmsDiaphragms

2.4. Khai ba2.4. Khai bao tao tai troi trong giong gio (Wind Load)(Wind Load)2.4.1 Gio2.4.1 Gio aay theo phy theo phng x: GXng x: GX

2.4.2 Gio2.4.2 Gio huhut theo pht theo phng x: GXXng x: GXX

2.4.3. Gio2.4.3. Gio aay theo phy theo phng y: GYng y: GY

2.4.4. Gio2.4.4. Gio huhut theo pht theo phng y: Giong y: Gio GYYGYY

2.5. Khai ba2.5. Khai bao tao tai troi trong ng oong ng aat (Quake t (Quake Load)Load)Click choClick chon menu Define n menu Define Response Response Spectrum FunctonSpectrum Functon

Click choClick chon Add User Spectrumn Add User SpectrumClick choClick chon menu Define n menu Define Response Response Spectrum CasesSpectrum Cases

Click choClick chon Add New Spectrumn Add New Spectrum

2.6 Ta2.6 Tai troi trong vang va toto tatai troi trong:ng:1. T1. Tnh tanh taii2. Hoa2. Hoat tat tai chai chat t aayy3. Tha3. Thanh phanh phan tn tnh cunh cua taa tai gioi gio phphng Xng X4. Tha4. Thanh phanh phan tn tnh cunh cua taa tai gioi gio theo theo phphng XX (ngng XX (ngc chiec chieu vu vi X)i X)5. Tha5. Thanh phanh phan tn tnh cunh cua taa tai gioi gio phphng Yng Y6. Tha6. Thanh phanh phan tn tnh cunh cua taa tai gioi gio theo theo phphng YY (ngng YY (ngc chiec chieu vu vi Y)i Y)7. 7. oong ng aat theo pht theo phng X (DDX ng X (DDX Spectra)Spectra)8. 8. oong ng aat theo pht theo phng Y(DDY Spectra)ng Y(DDY Spectra)9. 9. oong ng aat theo pht theo phng Z(DDZ Spectra)ng Z(DDZ Spectra)

ToTo hhp nop noi li lc loac loaiiTH12 = PA1+PA2 TH12 = PA1+PA2 ADDADDTH13 = PA1+PA3 TH13 = PA1+PA3 ADDADDTH14 = PA1+PA4 TH14 = PA1+PA4 ADDADDTH15 = PA1+PA5 TH15 = PA1+PA5 ADDADDTH16 = PA1+PA6 TH16 = PA1+PA6 ADDADDTH17 = PA1+PA7 TH17 = PA1+PA7 ADDADDTH18 = PA1+PA8 TH18 = PA1+PA8 ADDADDTH19 = PA1+PA9 TH19 = PA1+PA9 ADDADDTH123 = PA1+0.9(PA2+PA3) TH123 = PA1+0.9(PA2+PA3) ADDADDTH124 = PA1+0.9(PA2+PA4) TH124 = PA1+0.9(PA2+PA4) ADDADDTH125 = PA1+0.9(PA2+PA5) TH125 = PA1+0.9(PA2+PA5) ADDADDTH126 = PA1+0.9(PA2+PA6) TH126 = PA1+0.9(PA2+PA6) ADDADDTH127 = PA1+0.9(PA2+PA7) TH127 = PA1+0.9(PA2+PA7) ADDADDTH128 = PA1+0.9(PA2+PA8) TH128 = PA1+0.9(PA2+PA8) ADDADDTH129 = PA1+0.9(PA2+PA9) TH129 = PA1+0.9(PA2+PA9) ADDADDTHBAO = ENVE (TH12THBAO = ENVE (TH12..TH129) ..TH129) ENVEENVE

2.7 Cho2.7 Chon modes dao n modes dao oongng

Click choClick chon menu Analyze n menu Analyze Set Analysis Set Analysis Options..Options..

Click choClick chon Set Dynamic Parametersn Set Dynamic Parameters

TaTai doi dong Number of Modes nhang Number of Modes nhap giap gia tr 5 tr 5 (La(Lay 5 modes dao y 5 modes dao oong ng aau tien)u tien)

2.8. Gia2.8. Giai mo hi mo hnh.nh.

3. SO SA3. SO SANH KENH KET QUAT QUA NONOI LI LC VAC VA CHUYECHUYEN V N V CUCUA KEA KET CAT CAU TRONG TRU TRONG TRNG CONG CO TTNH NH EEN N TATAI TROI TRONG NG OONG NG AATT

3.3 SO SA3.3 SO SANH KENH KET QUAT QUA CHUYECHUYEN V N V NH KHUNG TRUNH KHUNG TRUC 1C 1

khong tnh tai trong ong at

Tnh ong at theo pho phan ng an hoi

ThieThiet ket ke cong trcong trnh chu nh chu oong ng aat theo pht theo phng ng phaphap phop pho phaphan n ng, ng, phphng phang phap phan tp phan tch ch phopho phaphan n ng dang dang dao ng dao oongng, la, la momot trong t trong nhnhng phng phng phang phap p oong vang va coco nhienhieu u u u ieiem:m:+ Ph+ Phng phang phap nap nay phan ty phan tch ch oong tuyeng tuyen tn tnh, nh, cho phecho phep ap ap dup dung nguyen lyng nguyen ly ooc lac lap tap tac duc dung;ng;+ Ph+ Phng phang phap nap nay xey xet t een nhien nhieu dau dang dao ng dao oong cung cua hea he keket cat cau, tau, tao ra mo ra mc c oo chchnh xanh xac c hn khi thiehn khi thiet ket ke;;+ V+ Vi khai kha nang nang a daa dang hieng hien nay cun nay cua caa cac boc bophaphan men mem thiem thiet ket ke keket cat cau, phu, phng phang phap nap nay y trtr nen nen n gian gian van va de kiede kiem soam soat.t.

4.4. KEKET LUAT LUANN

-- Tuy nhien khi phan tTuy nhien khi phan tch cach can n aac biec biet lt lu tam u tam een vien viec lc la choa chon phon pho phaphan n ng. Trong cang. Trong cac kec ket t quaqua phan tphan tch cho thach cho thay, ney, neu duu dung ng PhoPho thiethiet ket kedudung trong phan tng trong phan tch ch aan hon hoii (loa(loai phoi pho coco xexet t een hen he soso ng xng x q) keq) ket quat qua nonoi li lc do tac do tac c oong ng oong ng aat khong t khong aang keng ke so vso vi cai cac loac loai tai tai troi trong ng khakhac. c. ieieu nau nay cho thay cho thay, viey, viec c a hea he soso ng xng xq, bieq, bieu thu thc (15), nhac (15), nham giam giam tam tai cho tai cho tac c oong ng oong ng aat, biet, bieu thu thc (11); (12); (13); (14), xec (11); (12); (13); (14), xet st slalam viem viec cuc cua hea he keket cat cau trong mieu trong mien n aan hon hoi lai lachcha cha chnh xanh xac. Cac. Cac nhac nha thiethiet ket ke cacan than than n trotrong khi ng khi a vaa vao heo he soso ng xng x q khi chuyeq khi chuyen n PhoPho phaphan n ng ng aan hon hoii sang sang PhoPho thiethiet ket ke dudung ng trong phan ttrong phan tch ch aan hon hoi.i.

CACAC CAC CACH THCH THC NHAC NHAP P TATAI TROI TRONG NG OONG NG AAT T THEO DATHEO DANG PHONG PHO DAO DAO OONGNG

5.5. PHUPHU LULUCC

DDNG PHNG PH DAO DAO NGNG TTY VY VO DO DNG NG T NT NN, VN, VNG NG

KHKHNG CHNG CHN N THITHIT LT LP PHP PH DAO DAO NG NG NG NG T CHO KHU T CHO KHU VVC C ..

CC THTH SS DDNG EXCEL NG EXCEL LLP P PHPH DAO DAO NG.NG.

CHUCHUN BN B SS LILIU CU CA PHA PH D DI I DDNG .TNG .TXT XT NHNHP VP VO ETABSO ETABS

VV DD PHPH DAO DAO NGNG

VV DD

Pho phan ng an hoi theo phng ngang

0

0.25

0.5

0.75

11.25

1.5

1.75

2

2.25

0 1 2 3 4 5

T

S

e

NHNHP PHP PH VVO ETABSO ETABS

DEFINEDEFINE--> RESPONSE SPECTRUM > RESPONSE SPECTRUM FUNCTIONSFUNCTIONS

CHOOSE FUNCTION TYPE TO ADD: CHOOSE FUNCTION TYPE TO ADD: CHCHN SPECTRUM FROM FILEN SPECTRUM FROM FILE--> A> ADD DD NEW FUNCTION NEW FUNCTION C KC KT QUT QU NH NH SAU:SAU:

NHNHP PHP PH DAO DAO NGNG

NHNHP PHP PH DAO DAO NGNG TTI MI MC VALUES ARE: CHC VALUES ARE: CHN PERIOD AND N PERIOD AND

VALUEVALUE NHNHN VN VO BROWSEO BROWSE--> CH> CH N FILE PHN FILE PH DAO DAO NG NG DDNG TEXT LU TRNG TEXT LU TRC C

NHNHN DISPLAY GRAPH N DISPLAY GRAPH --> TH> THY PHY PH DDNG DAO NG DAO NG HING HIN LNN LN

NHNHN CONVERT TO USER DEFINEDN CONVERT TO USER DEFINED OKOK N Y KHAI BN Y KHAI BO XONG DO XONG DNG PHNG PH DAO DAO NGNG

NHNHP PHP PH DAO DAO NGNG

NH NGHNH NGHA TRA TRNG HNG HP P TTI TRI TRNG NG NG NG TT

DEFINEDEFINE--> RESPONSE SPECTRUM > RESPONSE SPECTRUM CASESCASES--> ADD NEW SPECTRUM> ADD NEW SPECTRUM

INPUT RESPONSE SPECTRA : NHINPUT RESPONSE SPECTRA : NHP P CCC GIC GI TRTR PHPH HHP.P.

OKOK

NH NGHNH NGHA TRA TRNG HNG HP TP TI I TRTRNG NG NG NG TT

KHAI BKHAI BO TIO TIT DIT DIN GIN GIM YM YUU I VI VI THII THIT KT K KHKHNG CHNG CHN, CN, CN N

PHN TPHN TCH VCH VI I CCNG TING TIT DIT DIN N (WALL, (WALL, COLUMN, BEAM)COLUMN, BEAM) GI GIM YM YU U (B(B NNT)T)

THNG THTHNG THNG CNG C THTH PHN TPHN TCH VCH VI I CCC C C TRNG C TRNG CCNG CHNG CHNG UNG UN N VV CCNG CHNG CHNG CNG CT GIT GIM YM YU U 50%. 50%.

GIGI SS KHAI B KHAI BO CO CT NH SAUT NH SAU

KHAI BKHAI BO TIO TIT DIT DIN GIN GIM YM YUU

KHAI BKHAI BO TIO TIT DIT DIN GIN GIM YM YUU

VVO SET MODIFIERSO SET MODIFIERS KHAI BKHAI BO CO CC HC H SS PHPH HHPP OKOK

KHAI BKHAI BO TIO TIT DIT DIN GIN GIM YM YUU

PHPHN NN NY CUNG CY CUNG CP BP BNG TNG TNH NH PHPH BBNG EXCEL VNG EXCEL V CCCH CHUYCH CHUYN N THTHNH FILE.TXTNH FILE.TXT

TT CNG THCNG THC LC LP P C FILE C FILE EXCEL NH SAU EXCEL NH SAU (XEM FILE K(XEM FILE KM M THEO)THEO)

COPY 2 CCOPY 2 CT: T VT: T V SeSe MM NOTEPAD VNOTEPAD V DDN VN VO. O. LU LLU LI I

FILE VFILE VI UII UI.TXT.TXT NHNHP VP VO ETABS NH CO ETABS NH CCH GCH GI I

PH PHA TRNA TRN

File TXTFile TXT