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抗滑稳定分析的目的是核算坝体沿坝基面或者沿地基深层软弱结构面抗滑稳定的()。

单选题
2022-03-04 12:56
A、安全度
B、可靠度
C、强度
D、变形
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正确答案
A

试题解析
抗滑稳定分析的目的是核算坝体沿坝基面或沿地基深层软弱结构面抗滑稳定的安全度。位于均匀岩基上的混凝土重力坝沿坝基面的失稳机理是,首先在坝踵处基岩和胶结面出现微裂松弛区,随后在坝趾处基岩和胶结面出现局部区域的剪切屈服,进而屈服范围逐渐增大并向上游延伸,最后,形成滑动通道,导致大坝的整体失稳。

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