Retaining Structure Force-Deformation Analysis Model for an Ultradeep Foundation Pit

Table 2

Proportional coefficient 𝑚 of Hangzhou sandy silt.

Location	Soil inside pit					Soil outside pit
	Foundation pit width L/m	10	20	40	100	Horizontal influence scope L/m	100	200
Ground surface	𝑚𝑖/kN m^−4	1,689	1,248	990	778	𝑚𝑜/kN m^−4	100	89
Deep inside		4,230	3,170	2,598	1,879		186	150