Influence of Variable Rigidity Design of Piled Raft Foundation on Seismic Performance of Buildings

Table 2

Equivalent shear modulus and damping ratio of each soil layer.

Layer number	Equivalent shear modulus (MPa)	Equivalent damping ratio (%)
1	23.0	0.023
2	21.2	0.043
3	19.7	0.058
4	18.2	0.073
5	17.1	0.084
6	16.2	0.094
7	40.7	0.065
8	35.7	0.077
9	31.1	0.088
10	27.2	0.098
11	24.5	0.110
12	22.4	0.120
13	31.1	0.103
14	30.5	0.106
15	96.4	0.062
16	94.8	0.065
17	93.3	0.068
18	92.0	0.071
19	91.0	0.073
20	90.0	0.075
21	89.1	0.077
22	99.3	0.073
23	98.9	0.074
24	98.3	0.075
25	97.8	0.076
26	97.2	0.077
27	96.8	0.078
28	96.3	0.079
29	156	0.062
30	154	0.064
31	153	0.066
32	152	0.067
33	151	0.069
34	102	0.084
35	101	0.086