井点降水法是在基坑开挖前，在基坑四周埋设一定数量的滤水管（井），利用抽水设备抽水使所挖的土始终保持干燥状态的方法。 井点降水法所采用的井点类型有：轻型井点、喷射井点、电渗井点、管井井点、深井井点等。
实践证明，利用井点降水法通过特大含水表土层是一种技术经济可行的科学方法。
Passing through the especially big watery stratum is economic and effective by using the well point method.
文摘：阐述了轻型井点与深井井点二种形式相结合的降水法在实践中的应用，为将来大面积降水提供实践经验。
Abstract: The method to lowering ground water level is introduced which combines shallow-water well with deep-water well in well point. The paper also provides practical experience for future work.
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