Force Chain Effect of Deep Foundation Pit Supported by Soldier Piles in the Sand-Gravel Layer

Table 3

Excavation sequence.

	Discharge port	Propulsion depth (m)	Equivalent excavation depth (m)	Equivalent excavation area (m)
First excavation	A2	5	5	35.25^2
Second excavation	A4	5	5	35.25^2
Third excavation	A5	3.8	3.8	26.78^2