Study on the Influence of Excavation of Superlarge and Ultra-Deep Foundation Pits on the Pile Foundation of Existing Viaducts

Table 1

Soil parameters.

Soil	ν	γ (kN/m^3)	ρ (g/m^3)	c (kPa)	φ (°)
(1) 0 Miscellaneous fill soil	0.3	19.0	1.9	6.8	12
(2) 0 Silty silty clay	0.3	16.8	1.68	8	6
(2) 1-2 Silty clay	0.3	17.3	1.9	26.25	9.21
(10) 2-1 Fully weathered marl	0.25	23.0	1.89	44.2	24.6
(10) 5-3 Weathered marl	0.2	26.8	2.59	300	30