十字交叉裂隙扩展机理试验与数值模拟研究
贺桂成,陈科旭,戴兵,王程程

Experimental Study and Numerical Simulation Analysis of Crack Propagation Characteristics of Crisscross Fracture
Guicheng HE,Kexu CHEN,Bing DAI,Chengcheng WANG
表1 完整试样的力学参数
Table 1 Mechanical parameters of complete sample
参数数值参数数值
密度ρ/(kg·m-31 999黏聚力C/MPa3.98
抗压强度σc/MPa23.6泊松比ν0.29
抗拉强度σt/MPa3.44内摩擦角ψ/(°)36.2
弹性模量E/GPa43.14