用钻孔灌注钢管桩局部托换地基的经验  

EXPERIENCE OF LOCAL FOUNDATION UNDERPINNING USING BORED CAST-IN-PLACE STEEL PIPE PILE

作　　者：李国祥[1] 魏国安[1] 

机构地区：[1]铁道部第一勘测设计院,兰州市730000

出　　处：《勘察科学技术》2000年第6期30-34,共5页Site Investigation Science and Technology

摘　　要：该文介绍了甘肃省广播电视厅 5318台机房地基采用钻孔灌注钢管桩处理的工程实例。较全面、详细地阐述了钻孔灌注钢管桩托换地基技术 ,并对其设计参数、施工工艺等问题进行了初步分析。实践证明 ,该地基处理方法是成功的 。The paper introduces the practical example of the foundation treatment using boring cast-in-place steel pipe pile for the 5318 engineering station of Gansu Broadcasting Television Bureau It narrates rather comprehensively and minutely the foundation underpinning technique using bored cast-in-place steel pipe pile. Also, it makes a preliminary analysis for the problems of design parameters, construction technology etc. The engineering practice proves that the foundation treatment method is successful. It can be as reference for similar foundation treatment projects.

关 键 词：钻孔灌注钢管桩 条基 托梁 地梁 托换地基 

分 类 号：TU753[建筑科学—建筑技术科学]