Research Article

Numerical Simulation Study on Stability Control Technology of Large-Area Wall Caving Area (LAWCA) in Large-Inclined Face

Table 1

Simulated mechanical parameters of paste materials.

Scheme numberWater-cement ratioElastic modulus/MPaPoisson’sratioCohesion/MPaAngle of internal friction/°Tensile strength/MPaAngle of dilatancy/°

12 : 11360.250.703315
23 : 11320.260.323315
34 : 1450.30.193015
45 : 1350.30.153015