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天津地铁10号线基坑降水相关问题研究
Publication year - 2019
Publication title -
gong cheng jian she
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2717-5375
pISSN - 2630-5283
DOI - 10.33142/ec.v2i4.254
Subject(s) - environmental science
开挖基坑时如果地下水位过高如不及时降低水位不但会使施工条件恶化造成土壁塌方亦会影响地基的承载力。严重时甚至会产生流砂现象。因此在土方施工中做好施工降水工作保持土体干燥是十分重要的同时也改善了工作条件。但降水前应考虑在降水影响范围内的已有建筑物和构筑物可能产生附加沉降、位移从而引起开裂、倾斜和倒塌或引起地面塌陷必要时应事先采取有效的防护措施。

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