[1]李 勤,刘怡君,周 帆.火灾后混凝土结构建筑应急加固方案优选研究[J].西安建筑科技大学学报(自然科学版),2020,52(06):821-828.[doi:10.15986/j.1006-7930.2020.06.007 ]
　LI Qin,LIU Yijun,ZHOU Fan.Research on optimum selection of emergency reinforcement scheme for concrete structures after fire[J].J. Xi'an Univ. of Arch. & Tech.(Natural Science Edition),2020,52(06):821-828.[doi:10.15986/j.1006-7930.2020.06.007 ]
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火灾后混凝土结构建筑应急加固方案优选研究()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
52
期数:
2020年06期
页码:
821-828
栏目:
出版日期:
2020-12-20

文章信息/Info

Title:
Research on optimum selection of emergency reinforcement scheme for concrete structures after fire
文章编号:
1006-7930(2020)06-0821-08
作者:
李 勤1; 刘怡君2; 周 帆1
(1.北京建筑大学 建筑与城市规划学院,北京 100044; 2.西安建筑科技大学 土木工程学院,陕西 西安 710055)
Author(s):
LI Qin1;  LIU Yijun2;  ZHOU Fan1
(1.School of Architecture and Urban Planning, Beijing University of Civil Engineering and Architecture, Beijing 100044, China; 2.School of Civil Engineering, Xi'an Univ. of Arch. & Tech., Xi'an 710055, China )
关键词:
安全工程;  火灾;  混凝土结构;  TOPSIS方法;  应急加固;  方案优选
Keywords:
safety engineering;  fire;  concrete structure;  TOPSIS method;  emergency reinforcement;  scheme optimization
分类号:
X799.1; X931
DOI:
10.15986/j.1006-7930.2020.06.007
文献标志码:
A
摘要:
火灾的发生,给人们的生命安全和经济财产都造成了巨大的损失,并且给建筑本身的结构埋下了极大的安全隐患.为了确保人们的生命和财产安全,同时保证建筑结构的安全,需要采取应急加固工作.但是,加固方案要求工艺简单且易于操作,同时需要结合承载力和抗震性能的要求,在此基础上做到经济合理.因此,针对我国火灾后钢筋混凝土结构建筑应急加固的工作特点,本文构建了基于加权广义马氏距离改进TOPSIS方法的火灾后混凝土结构建筑应急加固方案优选模型,并将模型应用于某实例中,通过应用SAP2000对加固前后的承载能力对比分析表明,各项指标显著提升.研究结果表明,该模型是熵权理论、加权广义马氏距离理论、TOPSIS理论的有机结合,为定量研究火灾后混凝土结构建筑应急加固方案优选工作提供了新的思路.
Abstract:
The occurrence of fire has caused huge losses to people's life safety and economic property, and has buried great safety hazards in the structure of the building itself. In order to ensure the safety of people's lives and property, while ensuring the safety of the building structure, emergency reinforcement work is needed. However, the reinforcement scheme requires simple technology and easy operation, and at the same time, it needs to combine the requirements of bearing capacity and seismic performance, and be economical and reasonable on this basis. Therefore, in view of the characteristics of China's steel reinforced concrete structure after fire emergency reinforcement, this paper constructs an improved TOPSIS method of weighted generalized Mahalanobis distance based on the fire emergency plan optimization model of concrete structure reinforcement, and the model is applied to a fire engineering example, through the comparison of application of SAP2000 on the main performance before and after the reinforcement analysis shows that the the index has significantly improved. The research results show that the model is an organic combination of entropy weight theory, weighted generalized Mahalanobis distance theory and TOPSIS theory. It provides a new idea for quantitative research of reinforcement scheme optimization of concrete structure after fire.

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备注/Memo

备注/Memo:
收稿日期:2020-05-20 修改稿日期:2020-11-23
基金项目:住建部2018年科学技术项目(2018-K2-004); 北京建筑大学未来城市设计高精尖创新中心资助项目(udc2018010921, udc2016020100); 市属高校科研业务费项目(X20055).
第一作者:李 勤(1981-),女,博士,副教授,硕士生导师.主要从事城市规划与建筑设计理论,城市遗产保护,老旧城区更新改造,旧工业建筑再生利用的研究.E-mail:602724359@qq.com. 通信作者:刘怡君(1993-),女,博士研究生,研究方向为旧工业建筑再生利用.E-mail:474127542@qq.com.

更新日期/Last Update: 2020-12-20