Blows/feet
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
Allowable
Bearing Pressure
(kN/m2)
0.48
5.12
9.95
14.93
20.01
25.16
30.36
35.58
40.8
46
51.19
56.35
61.72
66.58
71.66
76.73
81.8
86.89
92
97.17
102.41
107.74
113.21
118.82
124.61
130.61
136.85
143.36
150.18
157.32
164.86
172.78
181.14
189.97
199.29
209.15
219.53
230.56
242.16
254.4
267.3
280.86
500
450
84
86
88
90
92
94
96
98
100
295.16
310.14
325.83
342.31
359.49
377.42
396.08
415.52
435.68
400
350
300
250
200
150
100
50
0
0
20
40
60
80
100
120