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作者:

Zhang, Chao (Zhang, Chao.) | Sun, Guojun (Sun, Guojun.) | Wang, Guangyong (Wang, Guangyong.) | Xiao, Shuo (Xiao, Shuo.)

收录:

EI Scopus

摘要:

In order to analyze the force behaviour of reinforced concrete frames under actual fire conditions, the gas temperature around the members was accurately calculated using FDS fire dynamics software to simulate a typical fire scenario. Subsequently, both the fire-affected and non-fire-affected frames were modeled using ABAQUS finite element analysis software with a multi-scale modelling approach. The method employs solid elements to simulate the framework under fire influence and beam elements to simulate the framework under non-fire conditions, achieving a higher precision in reflecting post-fire structural deformations and stress conditions while also considering computational efficiency. The calculation of fire resistance is focused on a single-layer reinforced concrete frame structure, enabling an analysis of beam and column component deformations as well as changes in internal forces under typical fire scenarios. This methodology provides engineering professionals with an effective tool for analyzing overall structural fire resistance in concrete frames. Through comprehensive utilization of these specialized software programs, more accurate evaluations can be made regarding a frame's performance during fires, thereby offering important technical support and references for engineering practice. © 2024

关键词:

Reinforced concrete Structural frames Computational efficiency Fire resistance ABAQUS

作者机构:

  • [ 1 ] [Zhang, Chao]C+E Center For Engineering Research Test And Appraisal Co.Ltd, Beijing; 100142, China
  • [ 2 ] [Sun, Guojun]Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Wang, Guangyong]Yan Tai Unversity, Yan Tai, 264005, China
  • [ 4 ] [Xiao, Shuo]Faculty of Architecture, Civil And Transportation Engineering, Beijing University of Technology, Beijing; 100124, China

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来源 :

Results in Engineering

年份: 2024

卷: 23

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SCOPUS被引频次: 2

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