(中国航空规划设计研究总院有限公司， 北京 100120)

 ［摘要］通过对云南科技馆工程柱网、层高、活荷载大的结构在软土及高烈度区的基础选型简单介绍，重点对钻孔灌注桩和预应力管桩（PHC）两种桩型进行比较，通过比较桩基施工的成孔可能性、经济性、施工难易程度、实际施工情况及单桩承载力试桩等表明，预应力管桩施工困难，其承载力、桩长基本达不到设计要求，而最终选择更易于施工、承载力满足设计要求的钻孔灌注桩。

［关键词］试桩； 预应力管桩； 钻孔灌注桩

中图分类号： TU473.1 文献标识码： A文章编号：  1002-848X(2016)S2-0487-04

Pile design of Yunnan Science and Technology Museum

Li Ling, Song Xiaohong, Wang Yaman

（China Aviation Planning and Design Institute Co., Ltd., Beijing 100120, China）

Abstract： Based on the selection of foundation, Yunnan Science and Technology Museum column height, live load of large structures in soft soil and high intensity area is briefly introduced. Two kinds of pile type (the bored pile and PHC tubular pile) were compared. Pile foundation construction was studied by comparing the pore forming possibility, economy, construction the degree of difficulty, the actual construction situation, and the bearing capacity of single pile. Pile test results show that the construction of PHC tubular pipe is difficult and bearing capacity and pile length can not reach the design requirements. Ultimately bored pile whose construction is more easy and bearing capacity can meet the design requirements was chosen.

Keywords： pile testing; PHC tubular pile; bored pile

作者简介： 李令，硕士，工程师，Email：18701316159@163.com。