Experimental Investigation of Laws during Deformation of Circular Roadway in 10° Inclined Layered Rock

Table 1

Material properties of the real rocks.

Rock types	Volumetric weight; (kN/m^3)	Compressive strength (MPa)	Elastic moduli; (GPa)	Poisson’s ratio	Friction angle; (°)
Sandstone	26.55	63.98	25.77	0.151	33.71
Mudstone	25.78	43.78	21.01	0.127	36.35
Coal seam	13.50	26.15	4.51	0.358	40.07