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

Table 1

Adopted soil parameters for the SPSI system.

Soil	High level (m)	Types	ρs (g/cm^3)	(m/s)	(m/s)
1	18.44∼27	Clay	1.95	1455	111
2	15∼18.44	Sand	2.01	1501	190
3	13∼15	Clay	1.88	1504	161
4	2∼13	Clay	1.98	1504	246
5	−4∼2	Clay	1.91	1507	262
6	−17∼−4	Clay	1.98	1510	313
7	−21∼−17	Sand	2.03	1510	335
8	−26∼−21	Bedrock	2.45	2850	1569