Research on Test Method of Foundation Bed Coefficient in Nanjing Soft Soil Area

Table 1

Foundation soil distribution and physical and mechanical properties index.

Layer number	Lithology name	Soil thickness (m)	Soft plastic	(%)	(KN/m^3)				(MPa)
1	Fill soil	0.4-0.6	/	/	/	/	/	/	/
2	Clay	0.7-2.6	Plastic	28.3	16.3	1.21	16.98	0.52	3.63
3	Silty powdered clay	4.0-11.9	Flow plastic	41.3	15.2	1.12	17.32	1.23	2.65
4	Silty clay	5.8-12.6	Flow plastic	40.6	15.9	1.35	14.36	1.13	1.69
5	Clay	4.9-9.8	Soft plastic	47.3	15.4	1.24	18.65	1.03	1.98
6	Powdered clay	2-4.6	Plastic	29.8	17.2	0.61	19.32	0.65	1.75
7	Round gravel	>5.3	Compact	/	/	/	/	/	/