Research Article

Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine

Table 3

Estimation results of physical and mechanical parameters of fractured rock mass in the southwest wing.

PositionDensity (t/m3)Uniaxial compressive strength (MPa)Tensile stress (MPa)Elastic modulus (GPa)Poisson’s ratioIntensive parameter
c/MPaφ/(°)

−200 m2.7189.580.085.50.2352.9035.7
−240 m8.870.075.32.8335.1
−280 m2.7228.680.184.40.2303.4536.3
−320 m8.550.274.53.4936.6
−360 m2.74816.241.9910.40.2206.9539.3
−400 m17.742.1111.87.0639.8
−440 m18.865.5413.47.4040.6