Study on the Influence of Excavation Unloading on Pile Depth in Sandy Soil

Table 2

Soil layer parameters.

Soil layer		/kN/m^3	/kN/m^3	/MPa	/MPa	/MPa	/MPa	/MPa	/kPa	/°
Plain fill	0.32	18.9	18.9	10	10	30	45	-	10	12
Silty clay	0.32	19.0	19	10.5	10.5	31.5	47.25	-	49.62	22.63
Fine sand	0.3	19.1	19.1	16	16	48	72	-	0	30
Silty clay	0.32	19.0	19.0	7	7	21	31.5	-	49.62	22.63
Coarse sand	0.3	19.6	19.6	28	28	84	126	-	0	34
Gravel sand	0.3	20.0	20	32	32	96	115.2	-	0	35
Round gravel	0.3	20.0	20	35	35	105	157.5	-	0	36
Strongly weathered sandstone	0.3	20.1	20.1	-	-	-	-	200	30	37
Moderately weathered sandstone	0.29	20.5	20.5	-	-	-	-	2890	200	37