Dynamic Response Analysis of Roadway Surrounding Rock Induced by Dynamic Load under the Action of Hard and Thick Rock Stratum

Table 1

Mechanical parameters and strata of model.

Lithology	Density/kg•m^-3	Bulk modulus/GPa	Shear modulus/GPa	Cohesion/MPa	Tensile strength/MPa	Friction angle/°
Coal	1350	4.8	3.6	1	0.8	28
Sandstone	2530	26.4	20.7	4.3	3.8	37
Magmatic rock	3000	38.7	29.7	6.2	7.5	42
Fine sandstone	2530	12.3	8.3	3.4	3.2	35
Siltstone	2530	15.2	9.4	2.8	2.4	30
Mudstone	2340	7.1	5.1	1.2	2.4	25