管井降水,管井井点由滤水井管、吸水管和抽水机械等组成。管井井点设备较简单,排水量大,降水较深,较轻型井点具有更大的降水效果,可代替多组轻型井点作用,易维护。管井埋设的深度和距离根据需降水面积、深度及渗透系数确定,一般间距10~50m,最大埋深可达100m。适用于渗透系数较大,地下水丰富的土层、砂层,含水层厚度大于5.0m。
本文叙述了管井降水法在输电线路基础施工中的应用方法。
This paper describes the precipitation tube transmission line in the application of basic construction methods.
在城市基础工程建设中,利用管井降水法,可以较有效地解决深大基坑降水问题;
At present, in the urban infrusture engineering, deep and big pit precipitation can be effectively solved with the method of tube well precipitation.
介绍了某工程深基坑开挖管井井点降水方案的设计和应用情况。
This paper introduces the design and application of dewatering by pipe well points method in a deep foundationg pit excavation.
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