Mechanism of Vibration Energy Action on Dynamic Instability of Shock-Type Rockburst Carrier System

Table 2

Lithologic composition and parameter test results of “red seam” in the Yanzhou mining area, China.

Lithology	Compressive strength (MPa)	Tensile strength (MPa)	Tensile strength (MPa)
Mudstone	19.22	1.26	3.54
Siltstone	46.40	2.02	5.50
Fine sandstone	45.29	2.19	3.70
Medium-coarse sandstone	30.22	1.10	2.96
Conglomerate	80.57	2.50	7.73