FRAGILITY ASSESSMENT OF INSTALLATION DEFECTS IN INDUSTRIAL STANDING SEAM METAL ROOF SUBJECTED TO WIND LOADS
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Title
- FRAGILITY ASSESSMENT OF INSTALLATION DEFECTS IN INDUSTRIAL STANDING SEAM METAL ROOF SUBJECTED TO WIND LOADS
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Author(s)
- Kwon, Kyungrok; Choi, Hyok Chu; Ji, Koochul; Choi, Youngjin; Kong, Jung Sik
- KIOST Author(s)
- Choi, Youngjin(최영진)
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Alternative Author(s)
- 최영진
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Publication Year
- 2024-05
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Abstract
- In industrial structures in which standing seam metal roofs (SSMRs) are commonly used, heat insulation and waterproofing have emerged as crucial requirements for the protection of internal equipment. However, in newly devel-oped SSMRs, the structural systems have become increasingly complex. The installation of insulation layers between the upper and lower panels poses challenges during roof panel installations, resulting in defects owing to the carelessness of the installer. These clip defects can significantly affect the wind-resistance performance of the SSMR structure during testing. In this study, we employed finite element method (FEM) modeling and verification, utilizing the wind resistance test results of SSMRs. In addition, we conducted a variable analysis as well as a fragility assessment focusing on the lo-cation and number of clip defects in the SSMRs. The results of this study indicate that the wind performance of the roof was significantly degraded owing to SSMR clip defects. Moreover, the wind resistance performance can be quantitatively evaluated by considering the roof zone and the exposed environment under a wind load.
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ISSN
- 1392-3730
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/45673
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DOI
- 10.3846/jcem.2024.21451
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Bibliographic Citation
- Journal of Civil Engineering and Management, v.30, no.5, pp.437 - 451, 2024
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Publisher
- Vilnius Gediminas Technical University
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Keywords
- FEM; SSMR; wind resistance; industrial structures; fragility assessment; defected clips
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Type
- Article
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Language
- English
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Document Type
- Article
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