Building Deformation Prediction Based on Ground Surface Settlements of Metro-Station Deep Excavation

Table 2

Parameters of the support structure.

	Material	Young’s modulus,	Poisson's ratio,	Thickness, t (m)	Cross-sectional area, A (m^2)	Moment of inertia		Polar moment of inertia, Ip
						Diaphragm walls	C30 concrete		30	0.20	0.8	—	—	—	—
1^st strutting level	C30 concrete	30	0.20	—	0.48	0.026	0.014	0.040
2^nd to 5^th strutting levels	steel pipe	206	0.27	—	0.03	0.001	0.001	0.003