9 compaction (kepadatan standar)

LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN

INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145

DIRECT SHEAR TEST

Location : Order :Sample type : Date :Depth : Sample No.

Sample Data : = 27.35 = 2.50 cmD1 w = 4.81 % Weight = 171.70 gr

Volume = 68 Diameter = 5.90 cmNormal load = 4000 gr LRC = 0.08 kgf

= 2.51 = 2.40Normal stress = 146.25

Horizontal Horizontal Corrected Load ring Horizontal Sheardial reading displace Area (A') dial reading shear force stress

(mm) (kgf)1 2 3 4 5 6

25 75.00 27.35 33 2.766 0.10150 94.00 27.35 39 3.269 0.12075 105.00 27.35 40 3.352 0.123100 120.00 27.35 42 3.520 0.129150 122.00 27.35 44 3.688 0.135200 133.00 27.35 46 3.855 0.141250 138.00 27.35 47 3.939 0.144300 140.00 27.35 48 4.023 0.147350 140.00 27.35 48 4.023 0.147400 125.00 27.35 45 3.771 0.138450 124.00 27.35 44 3.688 0.135500 121.00 27.35 43 3.604 0.132600 114.00 27.35 41 3.436 0.126700 110.00 27.35 40 3.352 0.123



= 2.20 = 2.12Normal stress = 292.50


(mm) (kgf)1 2 3 4 5 6

25 40.00 27.35 20 1.676 0.06150 50.00 27.35 21 1.760 0.06475 50.00 27.35 21 1.760 0.064100 85.00 27.35 52 4.358 0.159150 95.00 27.35 60 5.029 0.184200 110.00 27.35 78 6.537 0.239250 125.00 27.35 90 7.543 0.276300 130.00 27.35 96 8.046 0.294350 120.00 27.35 88 7.375 0.270400 118.00 27.35 82 6.873 0.251450 115.00 27.35 79 6.621 0.242500 110.00 27.35 78 6.537 0.239600 105.00 27.35 70 5.867 0.215700 100.00 27.35 64 5.364 0.196

Area (A0) cm2 Height (L0)

cm3

gm gr/cm3 gd gr/cm3

gr/cm3

(x 10-2 mm) cm2 (x 10-3 mm) (gr/cm2)


cm3

gm gr/cm3 gd gr/cm3

gr/cm3

(x 10-2 mm) cm2 (x 10-3 mm) (gr/cm2)

===

cmcmcmcm

cmcmcmcm

===

cmcmcmcm

cmcmcmcm

=====

=

=====

=====

=

=====



DIRECT SHEAR TEST

Location : Order :Sample type : Date :Depth : Sample No. 0



= 2.24 = 2.03Normal stress = 438.75


(mm) (kgf)1 2 3 4 5 6

25 75.00 27.35 85 7.124 0.26050 80.00 27.35 90 7.543 0.27675 83.00 27.35 94 7.878 0.288100 94.00 27.35 97 8.130 0.297150 97.00 27.35 99 8.297 0.303200 122.00 27.35 110 9.219 0.337250 130.00 27.35 116 9.722 0.355300 140.00 27.35 121 10.141 0.371350 122.00 27.35 110 9.219 0.337400 100.00 27.35 100 8.381 0.306450 100.00 27.35 100 8.381 0.306500 99.00 27.35 97 8.130 0.297600 97.00 27.35 92 7.711 0.282700 97.00 27.35 92 7.711 0.282


cm3

gm gr/cm3 gd gr/cm3

gr/cm3

(x 10-2 mm) cm2 (x 10-3 mm) (gr/cm2)

cmcmcmcmcmcmcmcm

=====

=

=====

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.800.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

Horizontal displace (mm2)

shea

r stre

ss (g

r/cm

2)



DIRECT SHEAR TEST

Location : Order :Sample type : Date :Depth : Sample No. 0

Normal stress 0.146 0.292 0.438

Shear stress 0.147 0.294 0.371

Berat Volume Tanah = 2.510 = 2.200 = 2.240

Kadar Air w ( % ) = 4.81 = 3.94 = 10.18

Berat Volume Tanah K = 2.400 = 2.120 = 2.030

s (kg/cm2)

t (kg/cm2)

gm (gr/cm3)

gd (gr/cm3)

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.800.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

Normal stress (gr/cm2)

shea

r stre

ss (g

r/cm

2)

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.800.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

Horizontal displace (mm2)

shea

r stre

ss (g

r/cm

2)

0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.800.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

Normal stress (gr/cm2)

shea

r stre

ss (g

r/cm

2)



cmcmcmcm

cmcmcmcm

cmcmcmcm

cmcmcmcm



cmcmcmcmcmcmcmcm

C O M P A C T I O N T E S T

Determination no. 1 2 3 4 5 6 Wt. (soil + mold) in g 3420 3610 3810 3845.95 3896.48 3958.73 Wt. of wet soil in g 360 550 750 786 836 899

0.38 0.59 0.80 0.84 0.89 0.96WW = 37.85 DW = 37.01 WW = 30.55 DW = 29.50 WW = 30.65 DW = 29.07 WW = 31.48 DW =29.58 WW = 34.39 DW =32.26 WW= 49.58 DW =45.54DW = 37.01 TW = 10.66 DW = 29.50 TW = 10.78 DW = 29.07 TW = 10.14 DW = 29.58 TW =10.34 DW = 32.26 TW =10.36 DW = 45.54 TW =10.41Ww = 0.84 Ws = 26.35 Ww = 1.05 Ws = 18.72 Ww = 1.58 Ws = 18.93 Ww = 1.90 Ws =19.24 Ww = 2.13 Ws =21.90 Ww = 4.04 Ws =35.13

w = 3.19 % w = 5.61 % w = 8.35 % w = 9.88 % w = 9.73 % w = 11.50 %WW = 34.57 DW = 33.94 WW = 36.03 DW = 34.43 WW = 25.25 DW = 24.06 WW = 32.19 DW =30.38 WW = 34.75 DW =32.48 WW= 49.19 DW =45.30

Measurement of DW = 33.94 TW = 10.19 DW = 34.43 TW = 10.57 DW = 24.06 TW = 9.64 DW = 30.38 TW =10.85 DW = 32.48 TW =10.65 DW = 45.30 TW =10.81Water Content Ww = 0.63 Ws = 23.75 Ww = 1.60 Ws = 23.86 Ww = 1.19 Ws = 14.42 Ww = 1.81 Ws =19.53 Ww = 2.27 Ws =21.83 Ww = 3.89 Ws =34.49

w = 2.65 % w = 6.71 % w = 8.25 % w = 9.27 % w = 10.40 % w = 11.28 %WW = 25.88 DW = 25.48 WW = 32.54 DW = 31.23 WW = 32.27 DW = 30.46 WW = 32.18 DW =30.24 WW = 47.42 DW =43.77 WW= 53.17 DW =48.98DW = 25.48 TW = 10.75 DW = 31.23 TW = 10.85 DW = 30.46 TW = 10.28 DW = 30.24 TW =10.42 DW = 43.77 TW =10.15 DW = 48.98 TW =10.60Ww = 0.40 Ws = 14.73 Ww = 1.31 Ws = 20.38 Ww = 1.81 Ws = 20.18 Ww = 1.94 Ws =19.82 Ww = 3.65 Ws =33.62 Ww = 4.19 Ws =38.38

w = 2.72 % w = 6.43 % w = 8.97 % w = 9.79 % w = 10.86 % w = 10.92 % Mean value (%) 2.85 6.25 8.52 9.64 10.33 11.23

0.374 0.553 0.738 0.766 0.810 0.86

LOCATIONMold Hammer

weight 3060 g weight 2.5 kgNGIJO, KARANGPLOSO

inside dia. 10.14 cm height of 30 cm

DATEdrop

capacity 936.3no. of blows 25 x

4 JANUARI 2005

SAMPLE NO.Layers : 3

TP3 2 METER The condition of sample at thebeginning of the test :

TESTED BYwater content : 2.85 %

Wet Density gw in g/cm3

Dry Density gd in g/cm3

g/cm3

2.00 4.00 6.00 8.00 10.00 12.000.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Water Content w (%)

dry

dens

ity

gd

(g/c

m3)

LAB. MEKANIKA TANAH specific gravity : 2.6

2.00 4.00 6.00 8.00 10.00 12.000.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Water Content w (%)

dry

dens

ity

gd

(g/c

m3)


INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 - 551431 Ext. 256 Malang

PEMERIKSAAN CBR

Lamp. Lap. No : Dihitung :Pekerjaan : Dikerjakan :Pemohon : Tanggal :

Sumber :Pukulan per layer : 10 Jenis : 10 pukulan

PENETRASI BERAT ISI

Waktu PenurunanPembacaan Beban Berat tanah + mold (gram)

(menit) (inchi) Arloji (lb) Berat mold (gram)

0 0 0 0 Berat tanah basah (gram)

1/4 0.0125 2.00 60.40 Isi mold1/2 0.025 3.00 90.60 Berat isi basah1 0.05 4.00 120.80 Berat isi kering

1 1/2 0.075 6.00 181.212 0.10 10.00 302.01 10 P U K U L A N

3 0.15 12.00 362.414 0.20 13.00 392.616 0.30 16.00 483.218 0.40 18.00 543.62

10 0.50 0.00 0.00

KADAR AIR Atas Tengah BawahTanah basah+cawan 40.16 gr 48.04 gr 35.38 grTanah kering+cawan (gr) 37.34 gr 44.41 gr 33.07 grBerat cawan (gr) 10.37 gr 10.29 gr 10.13 grBerat air (gr) 2.82 gr 3.63 gr 2.31 grBerat tanah kering (gr) 26.97 gr 34.12 gr 22.94 grKadar air (%) 10.46 10.64 10.07Kadar Air Rata-rata (%) 10.39 %

HARGA CBR

0,1" 0,2"302.009 392.6117 3 x 1000 3 x 1500

= 10.07 % = 8.73 %

(cm3)(gr/cm3)(gr/cm3)

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

x 100

x 100x 100x 100x 100

x 100

x 100

x 100x 100x 100

100x 100



PEMERIKSAAN CBR



PENETRASI BERAT ISI





1 1/2 0.075 6.00 181.212 0.10 7.00 211.41 2 5 P U K U L A N

3 0.15 11.00 332.214 0.20 13.00 392.616 0.30 18.00 543.628 0.40 19.00 573.82

10 0.50 22.00 664.42

KADAR AIR Atas Tengah BawahTanah basah+cawan (gr) 28.66 gr 34.14 gr 30.23 grTanah kering+cawan (gr) 27.02 gr 31.95 gr 28.45 grBerat cawan (gr) 10.51 gr 10.27 gr 10.64 grBerat air (gr) 1.64 2.19 gr 1.78 grBerat tanah kering (gr) 16.51 gr 21.68 gr 17.81 grKadar air (%) 9.93 10.10 9.99Kadar Air Rata-rata (%) 10.01 %

HARGA CBR

0,1" 0,2"211.407 392.6117 3 x 1000 3 x 1500


0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

x 100

x 100

x 100

x 100

= 7.05 % = 8.73 %



PEMERIKSAAN CBR



PENETRASI BERAT ISI





1 1/2 0.075 12.00 362.412 0.10 14.00 422.81 56 P U K U L A N

3 0.15 19.00 573.824 0.20 23.00 694.626 0.30 32.00 966.438 0.40 39.00 1177.83

10 0.50 45.00 1359.04

KADAR AIR Atas Tengah BawahTanah basah+cawan (gr) 31.67 gr 40.22 gr 29.14 grTanah kering+cawan (gr) 29.82 gr 37.54 gr 27.71 grBerat cawan (gr) 10.07 gr 10.63 gr 10.59 grBerat air (gr) 1.85 gr 2.68 gr 1.43 grBerat tanah kering (gr) 19.75 gr 26.91 gr 17.12 grKadar air (%) 9.37 9.96 8.35Kadar Air Rata-rata (%) 9.23 %

HARGA CBR

0,1" 0,2"


0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

x 100

x 100x 100x 100x 100

x 100

x 100x 100x 100

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

x 100

x 100

422.813 694.6207 3 x 1000 3 x 1500

= 14.09 % = 15.44 %

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

x 100

x 100

x 100x 100x 100x 100

x 100

x 100

x 100x 100x 100

x 100

1044541206325

12676.760.50

0.452

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

1053041206410

12676.760.51

0.460

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

1111041206990

12676.760.55

0.505

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

0 0.1 0.2 0.3 0.4 0.5

0

2

4

6

8

10

12

Penurunan (inchi)

Beb

an

(lb

)

CBR DESIGN

Keterangan :CBR Design = 97.00 %

0 20 40 60 80 100 120 1400.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

CBR (%)

dry

de

ns

ity (

gr/

cm

3)

0 20 40 60 80 100 120

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

water content (%)

dry

de

ns

ity (

gr/

cm

3)



PERMEABILITY TEST

Location : Order :Sample type : Date :Depth : Sample No. :

Diameter (D) = 101 cm Kadar air (Wn) = 38.219 %

Tinggi (L) = 14 cm Berat jenis (Gs) = 23.69

Luas (A) = 80.08 Berat isi basah = 1.9

Isi (V) = 1121.09 Berat isi kering = 1.38

= 150 cm

= 91.7 cm

Gradien Hidrolik 4.164

Koefisien permeabilitas (cm/det)

a = Luas penampang dalam burretteA = Luas penampang contoh tanahL = Panjang /tinggi sampelh1 = Tinggi pengamatan awalh2 = Tinggi pengamatan akhir

Interval Total debit Debit per HWaktu terukur satuan waktu

t (menit) Q (ml) q (ml/menit)0 0 0 0 1731 13 13 1 1672 39 19.5 0.707 1515 71 14.2 0.447 144

10 121 12.1 0.316 13615 154 10.27 0.258 12730 257.5 8.58 0.183 9860 381 6.35 0.129 63

120 468 3.9 0.091 39.5240 488 2.03 0.065 0

1440

cm2 (g) gr/cm3

cm3 (gd) gr/cm3

h1

h1

Waktu Mulai

L

h

Q

t1

L

hh I 21

2h1h

logt.AL.a

303,2k



0.06

9 compaction (kepadatan standar)

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