北京地区地基及地下工程施工新技术

New construction technology in foundation and underground structure in Beijing Area

简要介绍北京地区近几年来在地基及地下工程施工中采用的灰土(渣土)桩复合地基、插筋补强护坡、水泥土护壁、深基坑护坡桩、“桩墙合一”、自支护逆作法、浅埋暗挖法等新技术、新工艺及其应用实例和所取得的社会经济效益。

This paper briefs the lime-soil (slag soil) pile composite foundation, reinforced concrete slop protection, soil cement guard walls, deep foundation pit revetment piles 'pile and wall combination', self-support downward construction methods, shallow embedment and underground excavation and other new technology and new technique adopted in foundation and underground engineering project construction in Beijing Area. It also presents the example of application and social-economic benefits obtained.