Effect of Size on the Stability of Narrow Foundation Pits

Table 1

Physical and mechanical material parameters.

Material	ρ (kg·m^−3)	E (kPa)	μ	φ (^°)	c (kPa)
Silty clay	1800	1 × 10^4	0.3	20	19
Steel pipe support	7800	2 × 10^8	0.3	—	—
Sheet pile	7800	2 × 10^8	0.3	—	—