Research Article

Surrounding Rock Failure Characteristics and Water Inrush Mechanism of Roadway above the Aquifer in Nonuniform Stress Field

Table 1

Model layout and rock mechanics parameters.

NumberStratum nameThickness (m) (kg·m-3) (GPa) (GPa) (°) (MPa) (MPa)

Roadway250010.444.54283.362.60
Main roof6.322008.825.04335.561.48
2-1 coal seam6.222008.825.04335.561.48
Mudstone7.522008.825.04303.241.48
Sandy mudstone7.5250010.444.54283.362.60
L9 limestone2270012.68.340108.71
Mudstone5.222008.825.04303.241.48
Sandy mudstone5.3250010.444.54283.362.60
L8 limestone10270012.68.340108.71