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井点降水能起什么作用?井点降水的方法有哪些?
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井点降水能起什么作用?井点降水的方法有哪些?
时间:2022-02-23 17:15
关键词:
建筑施工专业技术知识
工业与民用建筑
土木建筑工程
商业经济行业技能考试
国家注册审核员(外审员)
答案解析
<p> 作用:在基坑开挖前,预先在基坑四周埋设一定数量的滤水管,利用抽水设备从中抽水,在基坑开挖前和过程中,不断抽出地下水,使地下水位降在坑底以下,直至施工结束为止。这样可使所挖土始终保持干燥状态。改善施工条件等。<br> 方法:轻型井点、喷射井点、电渗井点、管井井点、深井汞等。</p>
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