淤泥地层内顶管顶进对上覆土体及管线的影响

来源 :工程建设 | 被引量 : 0次 | 上传用户：ydaf9ta7

【摘要】

：

在淤泥层中,顶管顶进施工过程对上覆土体和邻近管线的影响较大,合理调节相关施工参数对控制土体扰动具有重要意义.本文以深圳固戍污水净化厂二期工程配水管项目为例,通过有限

【作者】

：

郑震宙王迪龚斌文王程鹏贺洁星

【机构】

：

深圳市水务工程建设管理中心,广东深圳518040;中国水利水电第七工程局有限公司,四川成都610213;中国地质大学(武汉)工程学院,湖北武汉430074

【出处】

：

工程建设

【发表日期】

：

2021年3期

【关键词】

：

顶管顶进邻近管线注浆压力支护力土体性质

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在淤泥层中,顶管顶进施工过程对上覆土体和邻近管线的影响较大,合理调节相关施工参数对控制土体扰动具有重要意义.本文以深圳固戍污水净化厂二期工程配水管项目为例,通过有限元分析软件ABAQUS分析顶管顶进施工过程中不同的注浆压力、支护力和顶进层土体性质对上覆土体及邻近管线的影响规律.结果表明:调节注浆压力和改善土体性质对土体扰动的控制效果较好,而在淤泥层中调整支护力对土体扰动的控制效果有限.

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淤泥地层内顶管顶进对上覆土体及管线的影响

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