基于裂纹扩展模型的脆性岩石破裂特征及力学性能研究
李响,怀震,李夕兵,张倬瑶

Study on Fracture Characteristics and Mechanical Properties of Brittle Rock Based on Crack Propagation Model
Xiang LI,Zhen HUAI,Xibing LI,Zhuoyao ZHANG
表1 数值模型基本参数
Table 1 Basic parameters of numerical model
参数数值参数数值
弹性模量E/GPa53.5形状参数β15
泊松比μ0.25摩擦系数0.3
体积模量K/GPa35.67Ⅰ型断裂韧度K/(MPa?m1/21.88
剪切模量G/GPa21.4Ⅱ型断裂韧度K/(MPa?m1/24.87