Soil engineering drainage-free construction method

土工免排水施工方法

Abstract

本发明公开了一种土工免排水施工方法,属于土木建筑基坑施工领域。土工免排水施工方法包括以下步骤:A、确定基底回填厚度及调整后坑底标高;B、不降水开挖基坑至坑底位于调整后坑底标高的位置;C、平整调整后的坑底,使其各处标高处于同一高度;D、在基坑的坑壁及调整后的坑底铺设防水土工织物;E、在防水土工织物上面铺设回填材料至坑底设计标高的位置采用本发明的土工免排水施工方法,由于不需要单独对地下水做降水或排水处理,可以减少降排水工程量,节省降排水费用;坑内水可以起到“泥浆”护壁的效果;对地下水扰动小,有利于保护水土环境。
The invention discloses a soil engineering drainage-free construction method, and belongs to the field of building pit construction of civil engineering. The soil engineering drainage-free construction method comprises the following steps: A, determining basement backfill thickness and adjusted pit bottom elevation; B, excavating a foundation pit to a pit bottom during no rainfall to enable the foundation pit to be in the adjusted pit bottom elevation position; C, leveling up the adjusted pit bottom so as to enable all elevations to be positioned in the same height; D, laying waterproof geotextile on the pit wall of the foundation pit and the adjusted pit bottom; E, paving backfill materials on the waterproof geotextile to the position of the designed elevation of the pit bottom; the soil engineering drainage-free construction method provided by the invention is adopted, and since individual precipitation or drainage treatment to underground water is not required, the work amount of dewatering and drainage can be reduced, and the cost of dewatering and drainage can be reduced; water inside a pit can play a slurry wall protecting effect; disturbances to undergroundwater is small, and water and soil environment protection can be facilitated.

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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    CN-101565934-AOctober 28, 2009中国神华能源股份有限公司;神华黄骅港务有限责任公司;中交第一航务工程局有限公司Method for laying geotextile underwater
    CN-102888847-AJanuary 23, 2013中国二十二冶集团有限公司电梯井局部深基坑免降水施工方法
    CN-103452124-ADecember 18, 2013中国十九冶集团有限公司基坑积水排除方法及装置
    KR-20070103983-AOctober 25, 2007박인구The drainage plate for dranining underground water of public works and construction method using thesame

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Cited By (1)

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    CN-106351218-AJanuary 25, 2017南京工业大学一种管桩断桩的补救方法