State-of-art review on performance evaluation and retrofitting of building structures after explosion event

SHI Yanchao; LIU Shaozeng; CUI Jian; GUO Zongming

doi:10.11835/j.issn.2096-6717.2022.050

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State-of-art review on performance evaluation and retrofitting of building structures after explosion event

Anti-explosion and Protection of Engineering Structures | 更新时间：2023-06-25

- State-of-art review on performance evaluation and retrofitting of building structures after explosion event
- Journal of Civil and Environmental Engineering Vol. 45, Issue 1, Pages: 1-13(2023)
- 作者机构：
  
  1.天津大学，建筑工程学院，天津 300350
  2.天津大学，滨海土木工程结构与安全教育部重点实验室，天津 300350
  3.深圳市市政设计研究院有限公司，广东深圳 518029
- 作者简介：
  
  SHI Yanchao (1982- ), PhD, professor, doctorial supervisor, main research interests: explosion-resistance and protection of engineering structure, E-mail: yanchaoshi@tju.edu.cn.
  CUI Jian （corresponding author）， PhD， associate research fellow， E-mail： jian.cui@tju.edu.cn.
- 基金信息：
  
  National Natural Science Foundation of China(51878445;51938011;52178498)
- DOI：10.11835/j.issn.2096-6717.2022.050
  CLC： TU312
- Received：14 December 2021，
  
  Published：25 February 2023
- 稿件说明：
移动端阅览
SHI Yanchao, LIU Shaozeng, CUI Jian, et al. State-of-art review on performance evaluation and retrofitting of building structures after explosion event[J]. Journal of Civil and Environmental Engineering, 2023, 45(1): 1-13.
DOI：

SHI Yanchao, LIU Shaozeng, CUI Jian, et al. State-of-art review on performance evaluation and retrofitting of building structures after explosion event[J]. Journal of Civil and Environmental Engineering, 2023, 45(1): 1-13. DOI： 10.11835/j.issn.2096-6717.2022.050.

摘要

在爆炸荷载作用下，建筑结构会产生不同程度的损伤，甚至可能发生连续性倒塌。建筑结构性能评价是爆炸灾后重建阶段结构处置与修复加固方式选择的重要依据，是指在爆炸发生之后，考虑建筑爆炸损伤，对建筑结构的残余性能进行分析和评定。经过几十年的发展，建筑结构抗爆研究已经成为一个热门研究方向，许多学者开展了诸多相关研究，但现有研究成果大多为爆炸发生前的防护设计与分析。为了促进该领域更加全面深入的研究，为灾后重建工作提供技术支持，对爆炸灾后建筑结构性能评价涉及的一些关键问题进行详细的介绍与总结，并对可行修复加固技术的相关研究及应用进行总结与评述。经过多年发展，学者们建立了用于结构构件爆炸损伤评估的超压—冲量曲线和残余承载力评估公式，提出了建筑爆炸损伤等级及受灾区域划分方法，并在碳纤维布加固修复钢筋混凝土结构方面积累了丰富经验，但目前关于灾后建筑结构性能评定及修复的研究仍处于起步阶段，距离实际工程应用还有较大差距。

Abstract

Building structures will suffer different degrees of damage

or even progressive collapse when subjected to blast loading. The performance evaluation of building structures after the explosion is to analyze the residual resistance of the building structures considering the effects of blast damage

which is essential for selection of structural disposal and retrofitting techniques in the reconstruction stage. Explosion-proof research of building structures has become a popular research field during the past decades. Extensive studies have been conducted by numerous scholars

but most studies have focused on protective design and analysis before explosions. In order to promote in-depth investigation in this field and provide technical support for post-blast reconstruction

several key issues related with structural performance evaluation of buildings after explosion event were introduced and summarized in detail

and feasible repair and reinforcement techniques were also summarized and commented. After years of development

pressure-impulse curves and correlations for evaluating residual bearing capacity of blast-damaged structural components have been established. Methods for blast damage grading of buildings and affected areas division have been proposed. Besides

experience in reinforcement and repair of reinforced concrete structures using carbon fibre reinforced polymer has been continuously accumulated. However

current study on performance evaluation and post-blast repair of building structures is still in its infancy

and there is still a huge gap from perspective of engineering practice and application.

关键词

Keywords

references

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