青岛地铁双山站深基坑开挖支护综合分析

Railway Engineering(2014)

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Abstract
为了探讨青岛地铁双山站深基坑开挖过程中的安全问题,在详细分析该场地地质与深基坑相关资料基础上,利用等值梁法对边帮土压力进行计算评价。提出采用钻孔灌注桩加预应力锚杆作为边帮岩土体承力支护结构,采用高压旋喷和注浆方法对边帮进行加固、截渗处理的基坑支护-防水一体方案。最后,对坑底抗隆起稳定性和坑底抗流砂稳定性进行验算,证明了设计的安全合理性。
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