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

Table 1

corresponding to at the friction angle of 30° and 35°.

	Friction angle/°
0.80	30.00	0.894	0.9
0.80	35.00	0.909
0.90	30.00	0.949	0.95
0.90	35.00	0.956
0.95	30.00	0.975	0.98
0.95	35.00	0.978