(恒天(江西)纺织设计院有限公司,南昌 330096)

[摘要]江西南昌首例CFG桩的工程实践表明，在类似南昌地质采用CFG桩是安全可靠的。对南昌地区常用的钻孔灌注桩、预应力管桩在力学分析的基础上与CFG桩进行了经济比较，表明CFG桩在南昌地区属于一种经济的深基础处理方案。单桩竖向承载力特征值经验公式和静载试验的差别是工程中设计人员常遇到的问题。

[关键词]CFG桩;复合地基承载能力特征值;力学分析;经济

中图分类号：TU473.1   文献标识码：A    文章编号：

Adaptative analysis of CFG pile Used in Nanchang

(China  Hi-Tech（JiangXi）Textile  Design  Institute  Co., Ltd., Nanchang 330096，China)

Xu Guoping

Abstract:The first construction of CFG pile has been practiced in Nanchang, Jiangxi Province. The success indicated that CFG pile could be used in Nanchang securely and reliably . Compared with cast-in-situ bored pile & prestressed pipe pile which are used commonly here, CFG pile is a kind of cost-effective treatment methods for deep foundations based on mechanical analysis. The reference value of bearing capacity of single pile is different that calculated in experience  formular & static loading test.  It’s a problem which designer need to face usually in project.

Keywords: CFG pile； reference value of  bearing capacity of composite foundation；mechanical analysis ；cost-effective

参考文献

[1]毛前，龚晓南.桩体复合地基柔性垫层的效用研究【J】.岩土力学，1998（6）.

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作者简介：许国平，学士，高级工程师，副院长，Email：Xgp21@263.net。