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Author:
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Year:
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Issue:
jiang shui jing de shui li ji xie hua shi gong
Author(s):
YAO Chunhe
Pages:
34
-
37
Year:
1965
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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