深入研究粗糙胶结面抗剪强度特性对准确确定其抗剪强度参数值及分析其破坏机理具有重要意义。

Studying deeply on shear strength characteristics of rough cement face has an important meaning for precise determination of shear strength parameter and analysis on failure mechanics.

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分析了非饱和土体抗剪强度参数的计算方法，得出非饱和土抗剪强度公式的实用形式，并推导了抗滑稳定安全系数的计算公式。

Deducing the calculation method of shear strength of unsaturated soil, the applied equation is searched, from which the formula of safety factor of embankment's stability is derived.

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并结合《混凝土重力坝设计规范》中提出的用粒度成分定量指标选取软弱结构面抗剪强度参数，对软弱结构面抗剪强度参数取值问题进行了探讨。

Finally, in combination with quantitative indexes determinied in the code for "Design of Concrete Gravity Dams", the shear strength parameters of weak structural plane are determinied.

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