关键词: 地铁施工；邻河；深基坑；支护结构

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