On the Influence of Pile Foundation Settlement of Existing High-Rise Buildings on the Surrounding Buildings

Table 1

Site soil parameters based on-site engineering geological conditions and surrounding environmental conditions.

Soil layer number	Soil name	Average thickness of soil layer (m)	Modulus of elasticity (MPa)	Poisson ratio	Friction angle (degree)		Cohesion (KPa)
1	Miscellaneous fill	0.5
2	Silty clay	1.3	23.7	0.30	22		10
3	Gravel-bearing silty clay	2.2	24.2	0.18	25		12
4	Gravel	2.5	104.0	0.23	38		2
5	Clay	4.0	27.3	0.35	13		25
6	Residual soil	5.2	20.6	0.30	12		25
7	Totally weathered diorite	13.8	50.0	0.25	10–50		53–55
8	Strongly weathered diorite	5.6	147.0