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作者:

Wang, Senna (Wang, Senna.) | Cheng, Xiaowei (Cheng, Xiaowei.) | Li, Yi (Li, Yi.) (学者:李易) | Song, Xiaoyan (Song, Xiaoyan.) | Guo, Ruijie (Guo, Ruijie.) | Zhang, Haoyou (Zhang, Haoyou.) | Liang, Zihan (Liang, Zihan.)

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EI Scopus SCIE

摘要:

Assessing the collapse region in the progressive collapse of buildings is one of the important issues in urban planning for disaster recovery. A rapid visual simulation method for the progressive collapse of regular rein-forced concrete (RC) frame structures was proposed. First, a modeling solution using affine transformation and modification script was designed to rapidly create a geometric model. Second, a machine learning model of the internal collapse area and a horizontal collapse propagation algorithm were built to predict the internal collapse region. Third, a visual simulation method based on Voronoi tessellation and physics engine was proposed to represent the collapse process of the RC frame. Finally, the accuracy and efficiency of the proposed method were validated using the collapse event of the Murrah Federal Building and finite element models, and the effect of the mesh size of Voronoi tessellation and different initial failures on a collapse scenario was further discussed.

关键词:

Rapid visual simulation Progressive collapse Physics engine Regular reinforced concrete frame structure Machine learning

作者机构:

  • [ 1 ] [Wang, Senna]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 2 ] [Cheng, Xiaowei]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Yi]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 4 ] [Song, Xiaoyan]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 5 ] [Guo, Ruijie]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Haoyou]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 7 ] [Liang, Zihan]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China

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来源 :

ENGINEERING STRUCTURES

ISSN: 0141-0296

年份: 2023

卷: 286

5 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

被引次数:

WoS核心集被引频次:

SCOPUS被引频次: 17

ESI高被引论文在榜: 0 展开所有

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