A SCHEME AND ENGINEERING MONITORING OF EARLY DISMANTLING FOR TEMPORARY SUPPORTS OF A SPATICAL CURVED STEEL STRUCTURE

YOU Ying; ZHANG Zetao; LIU Xuegang; WANG Jun

doi:10.13204/j.gyjzG20032605

Volume 51 Issue 2

Jun. 2021

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2021 > 51(2): 106-112,129

Ding Youliang, Li Aiqun. INFLUENCE OF HIGH-ORDER VIBRATION MODES ON THE SEISMIC RESPONSE OF STEEL TOWER BUILT ATOP OF A HIGH-RISE BUILDING[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(8): 100-102. doi: 10.13204/j.gyjz200508025

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YOU Ying, ZHANG Zetao, LIU Xuegang, WANG Jun. A SCHEME AND ENGINEERING MONITORING OF EARLY DISMANTLING FOR TEMPORARY SUPPORTS OF A SPATICAL CURVED STEEL STRUCTURE[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(2): 106-112,129. doi: 10.13204/j.gyjzG20032605

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A SCHEME AND ENGINEERING MONITORING OF EARLY DISMANTLING FOR TEMPORARY SUPPORTS OF A SPATICAL CURVED STEEL STRUCTURE

doi: 10.13204/j.gyjzG20032605

1. School of Mechanical Engineering, Hubei University of Technology, Wuhan 430068, China;
2. Wuhan Zhongke Kechuang Engineering Testing Co., Ltd., Wuhan 430077, China

Received Date: 2020-03-20
Available Online: 2021-06-04

Abstract

Abstract

The early dismantling of temporary supports is a key step in the construction process of most space steel structures. To ensure the smooth progress of the unloading process, it is necessary to conduct a theoretical analysis of the dismantling plan and real-time monitoring of stress and deformation during the dismantling process. The space curved steel structure of the National Cyber Security Talent and Innovation Base Exhibition Center was taken as an example. For this structure with peculiar shapes and the first in China, three dismantling for temporary supports early schemes were proposed for simulation analysis, including one-way successive dismantling, the order of dismantling from the outside to the inside and dismantling from the inside to the outside was simulated and calculated in sequence. The results showed that the structure had the best overall performance when dismantling from the inside to the outside. The stress and deformation data monitored during the actual dismantling process were compared with comparative analysis of theoretical values. The results of stress and deformation changed during actual dismantling were close to the theoretical analysis results. This dismantling scheme was safe and reliable, and could provide a reference for dismantling the temporary supports of similar space steel structures.
- space curved steel structure,
- early dismantling for temporary support,
- numerical simulation,
- stress,
- deformation,
- online monitoring

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References

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