Research Article

Progressive Evolution Model of Fault Water Inrush Caused by Underground Excavation Based on Multiphysical Fields

Table 1

Constant table of fault water inrush model.

NameExpression

0.3
6.2e6
1e-3
g9.8 (m2)
Water density: rho1000 (kg/m3)
Water pressure: p15e6 (pa)
Fault zone water pressure: Pa0.1e6 (pa)
Permeability of aquifer: Kd1.9e-8 (m2)
Dynamic viscosity coefficient: ps0.001 ()
Length of the model: b350 (m)
Initial pressure: P1 (pa)
Young’s modulus: Ee (pa)
Es8.139e9 (pa)
Poisson coefficient: 0.339
Density1250 (kg/m3)