FIELD TEST AND NUMERICAL ANALYSIS OF INTERACTION OF PILE- RAFT FOUNDATION ULTRA - HIGH TUBE-IN-TUBE STRUCTURE

Wang Yingge

doi:10.13204/j.gyjz200505003

Volume 35 Issue 5

Dec. 2014

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Abstract

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Wang Yingge. FIELD TEST AND NUMERICAL ANALYSIS OF INTERACTION OF PILE- RAFT FOUNDATION ULTRA - HIGH TUBE-IN-TUBE STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(5): 10-15. doi: 10.13204/j.gyjz200505003

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Wang Yingge. FIELD TEST AND NUMERICAL ANALYSIS OF INTERACTION OF PILE- RAFT FOUNDATION ULTRA - HIGH TUBE-IN-TUBE STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(5): 10-15. doi: 10.13204/j.gyjz200505003

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FIELD TEST AND NUMERICAL ANALYSIS OF INTERACTION OF PILE- RAFT FOUNDATION ULTRA - HIGH TUBE-IN-TUBE STRUCTURE

doi: 10.13204/j.gyjz200505003

Wang Yingge

1.
Department of Civil Engineering,Jiaying University Meizhou 514015

Received Date: 2004-12-22
Publish Date: 2005-05-20

Abstract

Abstract

Through analysis of field test results drawn from pile-raft foundation settlement and reaction force of Shaanxi Postal Telecommunication Net Centre Building,a three-dimensional finite element model of ultra-high tube-in-tube structure,pile-raft foundation and subsoil is established by use of large-scale finite element software ANSYS,elastoplastic constitutive relation and medium plate theory;and non-linear numerical interaction analysis of the three under vertical loadis also done.Observed data of foundation settlement,proportion of pile to soilshare,etc.correspond well with those of numerical analysis.Further,pile-raft foundation settlement,force receiving and proportion of pile-soil share of ultra-high building in loess area are discussed.The analysis results indicate:adoption of super-lengthy perfusion pile has remarkable effect to decrease settlement in loess area,tube structures contribution to foundation rigidity ranges about 8 floors,which can reduce foundation differential settlement,the internal force distribution of the raft is very complicated,which is closely related with such factors as superstructure forms,piling arrangement and so on,moreover,the curving moment at rafts cantilever end is awfully great.
- field test,
- numerical analysis,
- pile-raft foundation,
- tube-in-tube structure,
- interaction

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References(6)

References

ANSYS公司北京办事处.ANSYS非线性分析指南.2001;

[2] E Hinton, D R J Owen. Finite Element Programming. London:Academic Press, 1977;

[3] ANSYS公司北京办事处.ANSYS高级分析指南.2001;

[4] 宰金珉,宰金璋.高层建筑基础分析与设计--土与结构物共同作用的理论与应用.北京:中国建筑工业出版社,1993;

[5] 董建国,赵锡宏.高层建筑地基基础--共同作用理论与实践上海:同济大学出版社,1996;

[6] 超高层原位测试课题组.超高层筒中筒结构原位测试分析与研究.建筑结构,2002(12):35～38

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