含预制裂隙类岩石裂隙演化与破裂特征的试验研究
王程程,罗鑫尧,陈科旭,戴兵,贺桂成

Experimental Study on Crack Evolution and Fracture Characteristics of Rocks with Prefabricated Cracks
Chengcheng WANG,Xinyao LUO,Kexu CHEN,Bing DAI,Guicheng HE
表1 试块参数和试验方案
Table 1 Test schemes and parameters of rock examples
编号主、次裂隙长度(L1×L2)/(mm×mm)十字裂隙角度/(°)编号主、次裂隙长度(L1×L2)/(mm×mm)十字裂隙角度/(°)编号主、次裂隙长度(L1×L2)/(mm×mm)十字裂隙角度/(°)
A1110×100A2120×100A3130×100
B1110×1030B2120×1030B3130×1030
C1110×1045C2120×1045C3130×1045
D1110×1060D2120×1060D3130×1060
A1210×200A2220×200A3230×200
B1210×2030B2220×2030B3230×2030
C1210×2045C2220×2045C3230×2045
D1210×2060D2220×2060D3230×2060
A1310×300A2320×300A3330×300
B1310×3030B2320×3030B3330×3030
C1310×3045C2320×3045C3330×3045
D1310×3060D2320×3060D3330×3060