深厚软土中高桩承台塔式起重机基础稳定性分析  

Analysis on Stability of Tower Crane Foundation with Elevated Pile Foundation in Deep Soft Soil

作　　者：王辉[1] 管昌生[2] 李鹏[2] 张喜[2] 

机构地区：[1]中国建筑第三工程局有限公司,湖北武汉430042 [2]武汉理工大学土木工程与建筑学院,湖北武汉430070

出　　处：《施工技术》2010年第9期85-88,共4页Construction Technology

基　　金：国家科技支撑计划子课题(2006BAJ01B04-05)

摘　　要：从塔式起重机整体抗倾覆稳定、塔基承台稳定、桩基稳定和桩自由端整体稳定4个方面对高承台塔式起重机基础的稳定性进行了分析,并针对此类塔式起重机在武汉万达广场项目中的应用,通过理论分析和MIDAS有限元分析软件模拟,得出风荷载等水平荷载以及基坑底部土体的抗侧移能力对高承台塔吊基础的稳定性具有决定性作用,而基础承载力和竖向沉降变形一般都能够满足要求。The stability of tower crane foundation with elevated pile foundation is analyzed by researching on anti-overturning stability of the whole tower crane,stability of pile cap and pile,and the overall stability of the free end of four piles in foundation with elevated pile foundation.Based on tower crane in Wanda Plaza project in Wuhan,by theoretical analysis and finite element analysis with MIDAS,it indicates that wind loads and other horizontal loads as well as the anti-sway capability of bottom soil in foundation excavation play a decisive role in the stability of the foundation,while foundation bearing capacity and vertical settlements deformation can generally meet the requirements.

关 键 词：塔式起重机基础 深厚软土 高承台桩 稳定性 

分 类 号：TU61[建筑科学—建筑技术科学] TU433