On the basis of data of true triaxial compression strength from experiment of red sandstone, the strength criteria of twin and octahedral shear stress with three pa...

• 根据真三轴压力强度试验资料,通过对八种岩石强度准则的回归分析对比,推荐两种三参数的双剪应力和八面体剪应力强度准则。