Optimization Method of Reducing the Differential Settlements of Piled Raft Foundations Based on Pile-to-Pile Interaction Theory

Table 2

Soil parameters of the PRF used in the DC model.

Soil type	High level (m)	Rf	K	n	G	F	D	kur	φ (°)	C (kPa)	ρs (g/cm^3)
Fine sand	15.5∼18.4	0.8	672	0.6	0.4	0	0	1009	38	16	1.1
Medium-coarse gravel	13.5∼15.5	0.8	519	0.55	0.4	0	0	781	35	12	1.2
Medium-coarse sand	1.9∼13.5	0.7	462	0.5	0.4	0	0	701	35	11	1.1
Medium-coarse gravel	−3.9∼1.9	0.8	502	0.6	0.4	0	0	762	38	16	1.2
Fine sand	−16.9∼−3.9	0.9	431	0.6	0.4	0	0	663	35	16	1.1
Medium-coarse gravel	−21∼−16.9	0.8	568	0.6	0.4	0	0	901	34	20	1.1