在计算有压隧洞最小覆盖比厚度时,下面哪句话是错的: ( ) -题库考试答案搜索网

在计算有压隧洞最小覆盖比厚度时,下面哪句话是错的: ( )

单选题

2021-07-17 23:41

A、对于坚硬而无裂缝的岩石,只要覆盖比大于等于1,围压能保持稳定。
B、叶格尔方法认为,对于具有有径向裂缝的岩石,切向附加应力与半径成反比。
C、采用叶格尔方法,对于塑性岩石,塑性条件为Mohr-Coulomb条件。
D、采用叶格尔方法对于塑性岩石,塑性区的开展深度确定最大覆盖层厚度。

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正确答案

C

试题解析

标签：地质学专升本变质岩岩石学 2019级第三学期期末考试岩浆岩岩石学沉积岩岩石学资源勘查工程岩石学 2019级毕业清考（考试分）

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