多节挤扩支盘灌注桩在高层建筑中的应用

The Application Research of Squeeze and Expansion Multi-supported Plate Cast Pile on High Building

分析了支盘的受力特点及多节挤扩支盘桩在成桩过程中的影响因素、施工要点,并对比其经济价值.结合工程实例,介绍了在高层建筑的桩基施工中采用多节挤扩支盘灌注桩的施工技术.

Combined with practical work, this paper introduces the construction technology of squeeze and expansion multi-supported plate which is applied in pile foundation construction in high-rise buildings. This paper analyzes the mechanical characteristics of the squeezed branch, the influencing factors and construction points in the forming process of squeeze and expansion multi-supported plate. And the comparison and analysis of economic value are made.