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4.5.1. Perhitungan Nilai CRR Lapisan Tanah Pada Titik BH-3
Tabel 4.15 Perhitungan Nilai CRR pada titik BH-3
No. Lapisan
Kedalaman m
Tebal Lapisan m
N-SPT Stratifikasi
tanah N-60
N160 1
-2 2
1 Very looses sand
1.095 2.356
2 -4
2 1
very soft clay 1.095
1.851 3
-6 2
1 very soft clay
1.095 1.574
4 -8
2 1
very soft clay 1.095
1.393 5
-10 2
1 very soft clay
1.095 1.263
6 -12
2 2
soft clay 2.189
2.327 7
-14 2
2 soft clay
2.189 2.169
8 -16
2 2
soft clay 2.189
2.039 9
-18 2
3 soft clay
3.284 2.878
10 -20
2 13
medium dense fine sand 14.231
11.810 11
-22 2
20 medium dense fine sand
21.894 17.298
12 -24
2 5
medium soft clay 5.473
4.117 13
-26 2
5 medium soft clay
5.473 3.936
14 -28
2 4
soft clay 4.379
3.034 15
-30 2
5 medium soft clay
5.473 3.650
16 -32
2 8
medium soft clay 8.757
5.635 17
-34 2
6 medium soft clay
6.568 4.089
18 -36
2 7
medium soft clay 7.663
4.624 19
-38 2
10 stiff clay
10.947 6.397
20 -40
2 7
medium soft clay 7.663
4.356 21
-42 2
8 medium soft clay
8.757 4.850
22 -44
2 9
stiff clay 9.852
5.311 23
-46 2
10 stiff clay
10.947 5.751
24 -48
2 15
very stiff clay 16.420
8.418 25
-50 2
50 very dense fine sand
54.734 27.363
26 -52
2 20
very stiff clay 21.894
10.687 27
-54 2
17 very stiff clay
18.610 8.879
28 -56
2 20
very stiff sand 21.894
10.272 29
-58 2
69 very hard sand
75.533 34.700
30 -60
2 41
hard sand 44.882
20.205
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4.5.2. Perhitungan Nilai CRR Lapisan Tanah Pada Titik BH-4
Tabel 4.16 Perhitungan Nilai CRR pada titik BH-4
No. Lapisan
Kedalaman m
Tebal Lapisan
m N-SPT
Stratifikasi tanah
N-60 N160
1 -2
2 1
very losses sand 1.095
2.356 2
-4 2
1 very soft clay
1.095 1.851
3 -6
2 1
very soft clay 1.095
1.574 4
-8 2
1 very soft clay
1.095 1.393
5 -10
2 1
very soft clay 1.095
1.263 6
-12 2
1 very soft clay
1.095 1.164
7 -14
2 1
very soft clay 1.095
1.085 8
-16 2
1 very soft clay
1.095 1.020
9 -18
2 3
soft clay 3.284
2.878 10
-20 2
7 losses fine sand
7.663 6.394
11 -22
2 17
medium dense fine sand 18.610
14.777 12
-24 2
43 hard wood fossil organic
47.071 35.565
13 -26
2 6
medium soft clay 6.568
4.743 14
-28 2
5 medium soft clay
5.473 3.792
15 -30
2 5
medium soft clay 5.473
3.650 16
-32 2
5 medium soft clay
5.473 3.522
17 -34
2 7
medium soft clay 7.663
4.770 18
-36 2
8 medium soft clay
8.757 5.284
19 -38
2 7
medium soft clay 7.663
4.490 20
-40 2
7 medium soft clay
7.663 4.368
21 -42
2 8
stiff clay 8.757
4.862 22
-44 2
10 stiff clay
10.947 5.914
23 -46
2 11
stiff clay 12.042
6.340 24
-48 2
10 stiff clay
10.947 5.624
25 -50
2 48
dense sand 52.545
26.322 26
-52 2
60 very dense sand
65.681 32.122
27 -54
2 24
very stiff clay 26.272
12.558 28
-56 2
45 hard clay
49.261 23.037
29 -58
2 45
hard clay 49.261
22.559 30
-60 2
40 hard clay
43.787 19.653
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4.6. Analisis Potensi Likuifaksi Pada Lapisan Tanah
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