Abstract:

This paper introduces the design and construction of retaining structure for deep foundation pit at Huayuandonglu Station of Beijing Subway. A water leakage which took place in the west part triggered a revised retaining structure made of sprayed pile, cast-in-place pile and steel-supporting system, successfully resolving a deep-pit construction problem nearby river so that attaining a good safety and economy, which provides a reference for such similar projects.

Key words:

subway construction; near river; deep foundation pit; retaining structure

摘要：

本文介绍了北京地铁花园东路站东区邻河明挖深基坑支护结构设计与施工方案。在西区施工发生涌水事故后，重新设计的旋喷桩结合灌注桩和钢支撑作支护结构，成功地解决了邻河深基坑的施工问题，从而取得了良好的安全和经济效果。实践结果对类似工程具有借鉴作用。

关键词: 地铁施工；邻河；深基坑；支护结构