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China/Asia On Demand
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jiang shui jing de shui li ji xie hua shi gong
Author(s): 
Pages: 34-37
Year: Issue:  12
Journal: Industrial Construction

Keyword:  水力机械化施工降低地下水位降水井封底混凝土环形管地下构筑物沉井沉淀池渗水井喷嘴;
Abstract: <正> 某厂薄板车间,由于地下水位的升高,引起地下构筑物的大量漏水,影响车间的投产。为经常降低地下水位起见,最后采用了设置降水井的方案。井深11米,井内径2米;-3米以上壁厚300毫米,-3米以下外壁按2%放坡,井底用混凝土封住,井壁事先作成圆孔加钢丝网的进水孔,井外壁有150毫米厚的渗水砂层(图1)。
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