Theoretical study shows that the crack extension under shear loading is caused by tensile stress, and it does not belong to shear fracture.
理论分析证明，在剪切载荷作用下裂纹扩展是由于拉伸应力引起的，并非剪切破坏。
The tests and numerical models of rock interfaces and joints under cyclic shear loading are reviewed, and a new constitutive model is developed.
回顾岩体结构面切向循环加载的力学试验和数值模型，并建立新的本构模型。
Compared with confined clay brick wall, equivalent viscous damping coefficients is improved by 37 percent and shear loading capability by 25 percent.
与约束烧结粘土砖墙相比，等效粘滞阻尼系数提高37%，受剪承载力提高25%。
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