A Case Study on the Deformation of Metro Foundation Pit in Silt Stratum in North China

Table 2

Feature of the stratum.

Stratum no.	Lithology	Density (g/cm^3)	Cohesion (kPa)	Friction angle (º)	Standard value of bearing capacity (kPa)	Static lateral pressure factor	Natural water content (%)
2-2	Loess silty clay	1.81	35	20	150	0.33	13.6
2-3	Loess silt	1.83	14	29	160	0.32	13.6
3-1	Loess silty clay	1.94	35	21	160	0.35	21.5
3-2	Loess silt	1.86	25	29	180	0.31	13.9
5-1	Silty clay	1.99	37	18	190	0.41	23.5
5-2	Silty soil	2.00	23	24	190	0.33	19.6
5-4	Medium coarse sand	2.03	0	31	200	0.30	—
6-3	Pebble	2.12	0	35	350	0.25	—