Bearing Characteristics of Surrounding Rock of Deep Mining Roadway with Full and End Bolt Anchorages: A Comparative Numerical and Experimental Study

Table 1

Physical and mechanical parameters of the rock used in the model.

Rock type	Density (kg/m³)	Tensile strength (MPa)	Compressive strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)
Sandy mudstone	2638.43	4.88	83.62	9.99	0.27	27.08	29.46
Medium-fine sandstone	2629.79	4.21	106.289	13.729	0.308	32.96	34.32
Mudstone	2616.61	3.53	113.29	15.27	0.376	32.92	32.03
Fine sandstone	2892.1	1.896	45.225	5.75	0.172	34.96	29.01
11–2 coal	1743.23	2.75	56.528	6.705	0.216	23.08	38.01
Siltstone	2629.79	4.21	76.256	9.929	0.228	30.26	32.32
Fine siltstone	2577.2	5.21	84.221	11.729	0.2608	32.96	30.32