某场地土层为:上层3m为粉质土,以下为含有层间潜水的4m厚的细砂,再下面是深厚的粘土层。基坑开挖深度为10m,不允许在坑外人工降低地下水。在下列支护方案中...

作者: rantiku 人气: - 评论: 0
问题 某场地土层为:上层3m为粉质土,以下为含有层间潜水的4m厚的细砂,再下面是深厚的粘土层。基坑开挖深度为10m,不允许在坑外人工降低地下水。在下列支护方案中, 选用哪些选项的方案比较合适() A.单排间隔式排桩 B.地下连续墙 C.土钉墙 D.双排桩+桩间旋喷止水
选项
答案 BD
解析

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