止水帷幕在大型深基坑沉井中的应用

On application of waterproof curtain in open caisson of large deep foundation pits

以太原市晋阳污水处理厂主干管工程为例,根据施工现场的水文地质条件与周边管路设施情况,提出了止水帷幕加深井井点降水的深基坑沉井施工方案,经实践证明,该方案满足沉井的施工要求,确保了沉井的顺利下沉。

Taking the artery project of Jinyang sewage treatment plant in Taiyuan as the example,the paper points out the construction scheme of the open caisson of waterproof curtain deep foundation pits according to the hydrogeological conditions and surrounding pipe and road facilities of the construction site,and proves that the scheme can meet the construction demands of the open caisson,and ensure the settlement of the open caisson.