液压挤扩支盘钻孔灌注桩的设计与施工要点  

Key Points for Design and Construction of Hydraulic Squeezed Branch Borehole Pouring Pile

作　　者：温建祥[1] 于洪臣[1] 

机构地区：[1]胜利工程建设(集团)有限责任公司,山东东营257001

出　　处：《筑路机械与施工机械化》2008年第10期69-71,共3页Road Machinery & Construction Mechanization

摘　　要：介绍了液压挤扩支盘桩的特点,通过挤扩支盘桩的设计原则以及计算对挤扩支盘桩进行了设计;通过工艺流程、工艺特点、经济效益分析并结合工程实例对钻孔灌注桩施工进行了阐述;最后,给出了影响分承力盘成型形状的因素,对类似工程具有借鉴价值。Features of hydraulic squeezed branch pile are introduced. The squeezed branch pile is designed based on principle of design and calculation. Construction of borehole pouring pile is expounded on technique process and characteristics as well as economic benefit in combination with actual project. Factors that influence the shape of force bearing plate are finally given, which provide valuable reference for similar projects.

关 键 词：钻孔灌注桩 单桩承载力 挤扩支盘 经济效益 

分 类 号：U445.55[建筑科学—桥梁与隧道工程]