98 Ground improvement by deep vibratory methods
Tip resistance, q
c (tsf)
Depth (ft)
0
5
10
15
20
25
30
35
40
45
50
Depth (ft)
0
5
10
15
20
25
30
35
40
45
50
Depth (ft)
0
5
10
15
20
25
30
35
40
45
50
Depth (ft)
0
5
10
15
20
25
30
35
40
45
50
0
5 0
100
150
200
0
20
40
60
80 100
1.0
2.0
3.0
4.0
1
0
2
3
4
5
Post-CPT
Pre-CPT
Post-CPT
Pre-CPT
Approximate fines content (%)
Soil index value (I
c )
F (%)
Figure 3.48 Posttreatment CPT liquefaction analysis after I
c correction. (Courtesy of Hayward Baker, Hanover, MD.)