Shock and Vibration / 2015 / Article / Tab 4

Research Article

The Mechanism and Application of Deep-Hole Precracking Blasting on Rockburst Prevention

Table 4

The physical and mechanics properties of rock layers in numerical simulation.

Rock layers/m/kg·m−3/MPa/GPa/GPa/MPa

Roof sandstone402550173512114.9
Roof mudstone20270013.529.28.27.82.6
Coal seam101400926.91.71.50.8
Backplane mudstone4250013.829.512.8104.6
Backplane sandstone26250016.430.812.111.95.2

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