Structure Design on Long-Span Space Free-Form Surface Shell of Atrium Roof of Changsha Live

JIANG Zhifeng; ZHENG Chunlin; WU Yaohua; FANG Pengpeng; WANG Jiusheng; LIU Bo

doi:10.13204/j.gyjzG22041802

Volume 52 Issue 11

Nov. 2022

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(11): 169-174

Zhao Yana, Yu Zhixiang, Zhao Shichun. STUDY ON MECHANICAL PROPERTIES OF LARGE STEEL UNDERPINNING TRUSS-STCC JOINT[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 90-94. doi: 10.13204/j.gyjz201110022

Citation:

JIANG Zhifeng, ZHENG Chunlin, WU Yaohua, FANG Pengpeng, WANG Jiusheng, LIU Bo. Structure Design on Long-Span Space Free-Form Surface Shell of Atrium Roof of Changsha Live[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(11): 169-174. doi: 10.13204/j.gyjzG22041802

Zhao Yana, Yu Zhixiang, Zhao Shichun. STUDY ON MECHANICAL PROPERTIES OF LARGE STEEL UNDERPINNING TRUSS-STCC JOINT[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 90-94. doi: 10.13204/j.gyjz201110022

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Structure Design on Long-Span Space Free-Form Surface Shell of Atrium Roof of Changsha Live

doi: 10.13204/j.gyjzG22041802

1. Minmetals Land Co., Ltd., Beijing 100010, China;
2. China Jingye Engineering Co., Ltd., Beijing 100088, China;
3. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China

Received Date: 2022-04-18

Abstract

Abstract

The free-form curved roof of Changsha Live atrium is supported across the four structural monomers in the lower part, the middle part is an openable roof, and the secondary membrane structure is rooted on the main structure. The atrium roof adopts a long-span single-layer reticulated shell structure. The structural selection and the reasonable setting method of fixed hinge supports and sliding hinge supports were introduced. The wind load of the roof should be taken according to the local natural conditions and the wind tunnel test report. The finite element software MIDAS/Gen was used to analyze the static and overall stability of the reticulated shell structure, and the reticulated shell and the lower concrete structure were assembled to analyze the influence of the lower structure on the stress of the reticulated shell structure by comparing the natural vibration period, displacement and support reaction. The design bearing capacity and stiffness of the joint were analyzed by finite element model, all calculation results of reticulated could meet the requirements. In addition, deformation monitoring was carried out during construction, and the monitoring values were within the design calculation range.
- single-layer reticulated shell,
- sliding hinge support,
- static analysis,
- overall stability,
- deformation monitoring

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References

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