软基处理中桩的设计与经济比较分析  

Design and Analysis for Economic Comparison of Piles in Treatment for Soft Roadbed

作　　者：周晖 王建锋 李峰 

机构地区：[1]湖州市交通规划设计院,浙江湖州313000 [2]浙江交工高等级公路养护有限公司,杭州325402

出　　处：《公路交通技术》2010年第4期5-7,11,共4页Technology of Highway and Transport

摘　　要：对浙北某高速公路软基处理中3种常见桩(塑料套管桩、预应力管桩和水泥搅拌桩)的相应荷载、单桩承载力进行计算,得出其适用条件。对各种形式的桩进行经济比较,以确定最佳软基处理方案,分析、研究过程及结果可供类似工程参考。This paper calculates corresponding loads and single-pile bearing capacity of three common piles（plastic sleeve pile,prestressed pile and cement agitation pile） in soft roadbed treatment of some ex-pressway in north Zhejiang and obtains applicable conditions.The paper compares various piles in econo-my in order to determine the optimal treatment schemes for soft roadbed.The analysis,research process and result can be referred by similar projects.

关 键 词：软基处理 塑料套管桩 预应力管桩 水泥搅拌桩 设计计算 经济比较 

分 类 号：U416.1[交通运输工程—道路与铁道工程]