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http://hdl.handle.net/10397/92432
Title: | Modeling the collapse of the Plasco Building. Part I : reconstruction of fire | Authors: | Khan, AA Domada, RVV Huang, X Khan, MA Usmani, A |
Issue Date: | Apr-2022 | Source: | Building simulation, Apr. 2022, v. 15, no. 4, p. 583-596 | Abstract: | In recent years, fires in tall buildings have become more frequent, which costs billions of dollars each year and the loss of many human lives. The façade fire in the Grenfell tower made the structure uninhabitable, and the collapse of the three World Trade Center (WTC) towers is the total structural failure caused by fire. Despite such events, no well-defined methodology exists to reconstruct both fire and structural behaviors and carrys out the forensic investigation of a building fire. This Part I paper collects the evidence of the Plasco Building fire and generates a coherent timeline to reconstruct the fire processes. The vertical and horizontal fire spread of the building is reconstructed using computational fluid dynamics (CFD) fire modeling and calibrated against the evidence library. The spatio-temporal temperature history from the fire modeling provides realistic fire scenarios to simulate the structural response. The fire simulation results are used as boundary conditions to be transferred to a finite element analysis tool for a detailed structural analysis to determine the likely collapse mechanism of the Plasco Building in Part II. The methodology presented in this paper to reconstruct the fire can also guide the structural fire safety engineers to improve the building fire-safety and life-safety strategies. | Keywords: | Building fire safety Fire investigation Fire modeling High-rise buildings Structure failure |
Publisher: | Tsinghua University Press, co-published with Springer | Journal: | Building simulation | ISSN: | 1996-3599 | DOI: | 10.1007/s12273-021-0825-4 | Rights: | © Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2021 This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use (https://www.springernature.com/gp/open-research/policies/accepted-manuscript-terms), but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s12273-021-0825-4. |
Appears in Collections: | Journal/Magazine Article |
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File | Description | Size | Format | |
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Khan_Modeling_Collapse_Plasco.pdf | Pre-Published version | 2.53 MB | Adobe PDF | View/Open |
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