Dynamic Characteristics of Metro Tunnel Closely Parallel to a Ground Fissure

Table 1

Parameters of strata and fissure.

Strata	Density	Young's modulus	Poisson ratio	Cohesion	Internal friction angle
	γ/(kN·m^−3)	E/ (MPa)	μ	c/(kPa)	φ/(°)
Loess	17.5	12.2	0.35	30.0	21.5
Paleosol	19.5	13.5	0.30	35.0	22.0
Silty clay	19.8	20.0	0.32	40.0	25.0
Fissure soil	16.0	2.44	0.35	12.0	18.0