• The paper considers that the drainage works and the impervious element are the effective measures for reducing external water pressure on the lining and maintaining groundwater balance.

    文章认为设置排水设施地层防渗加固减小衬砌外水压力及维持地下水系平衡有效措施

    youdao

  • The paper considers that the drainage works and the impervious element are the effective measures for reducing external water pressure on the lining and maintaining groundwater balance.

    文章认为设置排水设施地层防渗加固减小衬砌外水压力及维持地下水系平衡有效措施

    youdao

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