Floor Response Spectrum Analysis of Structures with Heavy Storage Silos and Seismic Design of Storage Silos

WANG Jianze; ZHOU Yuzhou; DAI Kaoshan; PU Rui

doi:10.13204/j.gyjzG21010415

Volume 53 Issue 7

Jul. 2023

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WANG Jianze, ZHOU Yuzhou, DAI Kaoshan, PU Rui. Floor Response Spectrum Analysis of Structures with Heavy Storage Silos and Seismic Design of Storage Silos[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 84-92,108. doi: 10.13204/j.gyjzG21010415

Citation:

WANG Jianze, ZHOU Yuzhou, DAI Kaoshan, PU Rui. Floor Response Spectrum Analysis of Structures with Heavy Storage Silos and Seismic Design of Storage Silos[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(7): 84-92,108. doi: 10.13204/j.gyjzG21010415

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Floor Response Spectrum Analysis of Structures with Heavy Storage Silos and Seismic Design of Storage Silos

doi: 10.13204/j.gyjzG21010415

WANG Jianze^1,2,3,
ZHOU Yuzhou¹,
DAI Kaoshan^{1,2,3
,
,},
PU Rui¹

1. Department of Civil Engineering, Sichuan University, Chengdu 610065, China;
2. MOE Key Laboratory of Deep Underground Science and Engineering, Chengdu 610065, China;
3. Failure Mechanics & Engineering Disaster Prevention and Mitigation, Key Laboratory of Sichuan Province, Chengdu 610065, China

Received Date: 2021-01-04

Abstract

Abstract

Heavy silo is one of the most common equipment in industrial structures. A structure of elevated steel silo was focused. Two numerical models were developed in which one simplified the silo equipment as loadings and the other one modelled the whole equipment-structure system. A total of 18 pairs of ground motions were selected. Linear and nonlinear response-history analysis as well as incremental dynamic analysis were performed. The dynamic responses of the two structural numerical models and the linear and nonlinear floor response spectrum were obtained accordingly. Subsequently, nonlinear floor response spectrum was used as input for response analysis of the heavy silo equipment. The seismic responses of the heavy silo equipment were compared between the results from the floor response spectrum analysis based on the single silo equipment model and the response-history analysis based on the equipment-structure model. The effectiveness of the nonlinear floor response spectrum method in the seismic design of the heavy silo equipment was examined. The results showed that the extent of the nonlinearity sustained by the structure would alter the shape of the floor response spectrum. The input seismic intensity was found to be influential to the interaction between equipment and structure. The seismic design of the heavy silo would be conservative if considering the floor response spectrum derived from the equipment-structure model.
- industrial structures,
- elevated steel silo,
- floor response spectrum,
- incremental dynamic analysis,
- equipment-structure interaction

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References(23)

References

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