群桩发生整体剪切破坏的条件是( )。A.群桩桩体与桩间土的剪切变形大 B.桩间距较小C.桩端处土质较硬 D.群桩桩体与桩间土的剪切变形小

作者: rantiku 人气: - 评论: 0
问题 群桩发生整体剪切破坏的条件是( )。 A.群桩桩体与桩间土的剪切变形大 B.桩间距较小 C.桩端处土质较硬 D.群桩桩体与桩间土的剪切变形小
选项
答案 BCD
解析 桩间距大,群桩效应影响较小,此时不易发生整体剪切破坏;桩端处土质较软,群桩容易产生下沉变形,也不易产生横向的变形和整体剪切破坏。

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