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试分析基坑边坡坍方的原因，防止坍方可采取哪些措施？
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试分析基坑边坡坍方的原因，防止坍方可采取哪些措施？
时间：2022-04-02 22:14
关键词：
东北林业大学
土木工程
专升本
高层建筑技术讲座
平时作业1
答案解析
略
答：土方坍方的原因是潜在滑动面上的下滑力超过了抗滑力，土体失去平衡而下滑，影响因素主要有挖方高度过高、放坡坡度过大、土体上方堆载、土的含水量过大等，防止坍方可采取的措施有：限制挖方深度、放坡开挖、基坑支护、降水、避开雨季施工等。
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