Table G-1
Calculation of the (N1)60 cs values.
Boring 1
σo
σo'
CN
(N1)60
(N1)60 cs
N
Fines Content
Depth
ft
psf
psf
blows/ft
blows/ft
%
blows/ft
5
575
575
3
1.60
5
10
6
10
1150
1150
10
1.26
13
5
13
15
1725
1725
14
1.05
15
2
15
20
2300
2300
7
0.90
6
15
9
25
2875
2563
5
0.86
4
3
4
30
3450
2826
16
0.82
13
8
13
35
4025
3089
19
0.78
15
5
15
40
4600
3352
9
0.75
7
7
7
45
5175
3615
14
0.71
10
9
11
Boring 2
σo
σo'
CN
(N1)60 Fines Content
(N1)60 cs
Depth
N
ft
psf
psf
blows/ft
blows/ft
%
blows/ft
5
575
575
4
1.60
6
12
8
10
1150
1150
9
1.26
11
4
11
15
1725
1725
7
1.05
7
8
7
20
2300
2300
19
0.90
17
10
18
25
2875
2563
8
0.86
7
2
7
30
3450
2826
12
0.82
10
7
10
35
4025
3089
19
0.78
15
4
15
40
4600
3352
12
0.75
9
15
12
45
5175
3615
13
0.71
9
3
9
Boring 3
σo'
σo
CN
(N1)60
(N1)60 cs
N
Fines Content
Depth
ft
psf
psf
blows/ft
blows/ft
%
blows/ft
3
345
345
6
1.60
10
10
11
8
920
920
4
1.45
6
7
6
13
1495
1495
4
1.13
5
3
5
18
2070
2070
10
0.97
10
15
13
23
2645
2458
20
0.88
18
4
18
28
3220
2721
4
0.84
3
20
7
33
3795
2984
10
0.80
8
8
8
38
4370
3247
17
0.75
13
2
13
43
4945
3510
15
0.73
11
6
11
G-9
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