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
Sample Data : = 27.35 = 2.50 cmD2 w = 3.94 % Weight = 150.22 gr
Volume = 68 Diameter = 5.90 cmNormal load = 8000 gr LRC = 0.08 kgf
= 2.20 = 2.12Normal stress = 292.50
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 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)
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)
===
cmcmcmcm
cmcmcmcm
===
cmcmcmcm
cmcmcmcm
=====
=
=====
=====
=
=====
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. 0
Sample Data : = 27.35 = 2.50 cmD3 w = 10.18 % Weight = 214.55 gr
Volume = 68 Diameter = 5.90 cmNormal load = 12000 gr LRC = 0.08 kgf
= 2.24 = 2.03Normal stress = 438.75
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 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
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)
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)
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. 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)
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145
cmcmcmcm
cmcmcmcm
cmcmcmcm
cmcmcmcm
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145
cmcmcmcmcmcmcmcm
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145
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)
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
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
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
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 : 25 Jenis : 25 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 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
(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 100
x 100
x 100
= 7.05 % = 8.73 %
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
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 : 56 Jenis : 56 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 3.00 90.6 Isi mold1/2 0.025 5.00 151.00 Berat isi basah1 0.05 9.00 271.81 Berat isi kering
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"
(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 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)
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145
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
LABORATORIUM MEKANIKA TANAHFAKULTAS TEKNIK SIPIL DAN PERENCANAAN
INSTITUT TEKNOLOGI NASIONAL MALANGJl. Bendungan Sigura-gura No. 2 Telp. (0341) 551951 – 551431 Psw. 256 Malang 65145
0.06