ANALYSIS OF INTERNAL FORCE AND DEFORMATION FOR THE NEW CCTV HEADQUARTERS DURING THE CONSTRUCTION PROCESS

Liu Xuewu; Guo Yanlin; Zhang Qinglin; Liu Luyu

doi:10.13204/j.gyjz200709004

Volume 37 Issue 9

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2007 > 37(9): 22-29

Huang Pin, He Yibin, Li Yan, Leng Qiaojuan, Guo Jian. COLLAPSING REASONS ANALYSIS OF THE WALL OF A RECTANGULAR RC CONTACT OXIDATION TANK[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(8): 126-129. doi: 10.13204/j.gyjz201108030

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Liu Xuewu, Guo Yanlin, Zhang Qinglin, Liu Luyu. ANALYSIS OF INTERNAL FORCE AND DEFORMATION FOR THE NEW CCTV HEADQUARTERS DURING THE CONSTRUCTION PROCESS[J]. INDUSTRIAL CONSTRUCTION, 2007, 37(9): 22-29. doi: 10.13204/j.gyjz200709004

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ANALYSIS OF INTERNAL FORCE AND DEFORMATION FOR THE NEW CCTV HEADQUARTERS DURING THE CONSTRUCTION PROCESS

doi: 10.13204/j.gyjz200709004

1.
Department of Civil Engineering,Tsinghua University Beijing 100084

Received Date: 2007-05-28
Publish Date: 2007-09-20

Abstract

Abstract

The new CCTV headquarters consists of two towers leaning 6 -off vertical in both directions, a tremendous 14 -story -high cantilever joining two leaning towers at the top and a 9 -story -high podium at the bottom. Different constructionprocedures will lead to different internal force and deformation distribution during the construction process in this complexsteel structure. They will be locked within the structure and have to be considered in the structural design. It is evident thatthere is a great difference in internal force and deformation distribution between according to design model one time loadingand according to step -by -step construction process. And it is necessary to take reasonable construction procedures andmeasuresto guarantee the internal force and deformation of the construction -completed structure to meet the requirementgiven by designers. It is presented the internal force and deformation analysis of the CCTV new headquarters during theconstruction process by employing nonlinear finite element method, and the internal force anddeformationdistribution lockedin the structure is determined. Lots of numerical results have beenobtained asguidelinesfor the erection and construction ofthe project.
- new CCTV headquarters,
- construction process,
- internal force,
- deformation

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References(5)

References

.曹志远. 土木工程分析的施工力学与时变力学基础. 土木工程学报, 2001,34(3): 41-46

.崔晓强, 郭彦林, 叶可明. 大跨度钢结构施工过程的结构分析方法研究. 工程力学, 2006, 23(5): 83-88

.郭彦林, 刘学武, 刘禄宇, 等. CCTV 新台址主楼钢结构施工变形预调值计算的分阶段综合迭代法. 工业建筑,2007, 37(9):16-21

.郭彦林, 刘学武, 刘禄宇, 等. 中央电视台新台址主楼施工过程分析系列报告: [ 研究报告]. 北京: 清华大学土木工程系, 2006

.郭彦林, 田广宇, 刘学武. CCTV 新台址主楼地基与基础的建模与参数取值研究. 工业建筑, 2007, 37(9): 30-34

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