管井降水在基坑施工中的应用

Application of Tube-well Drawdown on the Construction of the Foundation Gallery

通过对福州长乐国际机场航站楼主楼基坑降水工程的实例 ,介绍了在滨海砂层孔隙含水层中 ,利用管井进行大面积基坑降水的水文地质参数选用、方案设计、施工方法 ,并对降水效果进行了初步分析 ,为今后类似管井降水工程施工提供经验和参考。

The construction of foundation gallery drawdown applied in the main airport building of Fuzhou-Changle International Airport is a good example of the tube-well drawdown, some working experiences of which are present in the paper. The method of the tube-well drawdown can be used to determine the selection of the geohydrologic parameters and the planning of working blueprints and construction in a large scale of the foundation gallery drawdown, which can provide some references for similar constructions of the tube-well drawdown.