淤泥质软土高承压水地层逆作深基坑降水施工
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摘要
针对淤泥质软土富水地层特殊水文地质条件,提出了盖挖逆作深基坑工程浅层疏干降水与深层减压降水施工的关键技术,有效减少了土方开挖过程土体含水率,同时为盖挖逆作结构提供可靠的地基承载力,以确保土方开挖和逆作结构施工的基坑稳定性。
According to the special hydrogeological conditions in muddy soft soil stratum with abundant water,put forward key technology of cover and excavation top-down deep foundation pit engineering precipitation and deep decompression pressure water construction,effectively reduced the moisture contents of soil in earthwork excavation process,and provided foundation bearing capacity for cover and excavation top-down structure,ensured the foundation pit stability of earthwork excavation and top-down structure construction.
引文
[1]赵志缙.简明深基坑工程设计施工手册[M].北京:中国建筑工业出版社,2000.
    [2]张永波,孙新忠.基坑降水工程[M].北京:地震出版社,2000.
    [3]付志华.深井井点降水在管沟开挖中的设计与应用[J].山西建筑,2006,32(3):122-123.
    [4]陈树林,孙蓉琳,梁杏.基坑降水工程中透水地质渗透参数的确定[J].土工基础,2003,17(3):62-64.

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