挤扩支盘桩的施工与应用  

CONSTRUCTION OF BORED PILE WITH PARTIALLY EX-PANDING DIAMETER AND APPLICATION THEREOF

作　　者：徐至钧[1] 张晓玲 

机构地区：[1]北京恒富房地产开发有限公司

出　　处：《建筑技术》2003年第2期106-107,共2页Architecture Technology

摘　　要：挤扩支盘桩是一种新桩型,它在直杆支承桩的基础上,根据不同土层可以挤扩多节支盘,可大大提高桩的承载能力,达到工期短、质量优、节省混凝土和节约投资的目的。Bored pile with partially expanding diameter is a new type of pile.When drilling a constant diameter hole,at particular depth where certain type of soil layer suitable for extruding exists,enlarged diameter part may be reamed to form several enlarged part along the concrete pile so as to improve bearing capacity of the pile.This method may shorten construction duration,save concrete,secure quality,being cost effective as well.

关 键 词：挤扩支盘桩 灌注桩 单桩 承载力 支盘 

分 类 号：TU753.3[建筑科学—建筑技术科学]