Dynamic Response Analysis of Super Shallow-Buried Rectangular Tunnel

Table 1

Material physical and mechanical parameters table.

Material	Elastic modulus/Gpa	Poisson’s ratio	Density/(kN·m^−3)	Cohesion/kPa	Internal friction angle/(°)	Thickness (m)
Plain fill	0.006	0.3	18.5	8	10	2
Silty clay	0.012	0.3	19.6	32	15	22
Pebble layer	0.046	0.2	21.2	0.1	40	16