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2 单轴抗压试验所得花岗岩基本力学参数

Table 2 Basic mechanical parameters of granite obtained from uniaxial compression test

试样编号 单轴抗压强度/MPa 弹性模量E/GPa 泊松比μ 均值 137.06 48.10 0.26 H1 121.34 40.35 0.20 H2 154.09 57.44 0.24 H3 128.10 49.27 0.26 H4 136.86 43.33 0.33 H5 144.93 50.11 0.25