建筑钢结构火灾后检测与评估研究进展
TU391; 建筑结构火灾事故频发,火灾可能对建筑物造成严重损伤,甚至引起建筑物倒塌,导致人民生命和财产的巨大损失.对于遭受火灾但未倒塌的建筑物,通过修复加固后可实现再利用.修复加固前,需要对受火损伤的建筑结构进行科学、详细、准确的检测和鉴定,确定建筑结构材料的剩余强度和构件的损伤程度,为建筑结构的修复加固提供依据,从而达到经济且安全地恢复建筑结构使用功能的目的.归纳了火灾后建筑钢结构检测与评估的研究进展,介绍了建筑结构火灾后现场调查分析的步骤和方法,分析了构件及火场经历的最高温度的判定方法及其适用性,指出了火灾后钢材力学性能推断与检测的方法及其优缺点,论述了构件及结构火灾后残余变形的测量内容...
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| Published in | Jianzhu Gangjiegou Jinzhan Vol. 27; no. 1; pp. 1 - 14 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中南大学 土木工程学院,长沙 410075%同济大学 土木工程学院,上海 200092
2025
中南大学 高速铁路建造技术国家工程研究中心,长沙 410075 Editorial Department of Progress in Steel Building Structures, Tongji University |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-9379 |
| DOI | 10.13969/j.jzgjgjz.20230816001 |
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| Abstract | TU391; 建筑结构火灾事故频发,火灾可能对建筑物造成严重损伤,甚至引起建筑物倒塌,导致人民生命和财产的巨大损失.对于遭受火灾但未倒塌的建筑物,通过修复加固后可实现再利用.修复加固前,需要对受火损伤的建筑结构进行科学、详细、准确的检测和鉴定,确定建筑结构材料的剩余强度和构件的损伤程度,为建筑结构的修复加固提供依据,从而达到经济且安全地恢复建筑结构使用功能的目的.归纳了火灾后建筑钢结构检测与评估的研究进展,介绍了建筑结构火灾后现场调查分析的步骤和方法,分析了构件及火场经历的最高温度的判定方法及其适用性,指出了火灾后钢材力学性能推断与检测的方法及其优缺点,论述了构件及结构火灾后残余变形的测量内容和方法,总结了火灾后构件及结构剩余承载力的相关研究及验算方法.同时指出了有待进一步研究的问题,为建筑钢结构火灾后检测与评估的理论研究和工程应用提供参考. |
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| AbstractList | 建筑结构火灾事故频发，火灾可能对建筑物造成严重损伤，甚至引起建筑物倒塌，导致人民生命和财产的巨大损失。对于遭受火灾但未倒塌的建筑物，通过修复加固后可实现再利用。修复加固前，需要对受火损伤的建筑结构进行科学、详细、准确的检测和鉴定，确定建筑结构材料的剩余强度和构件的损伤程度，为建筑结构的修复加固提供依据，从而达到经济且安全地恢复建筑结构使用功能的目的。归纳了火灾后建筑钢结构检测与评估的研究进展，介绍了建筑结构火灾后现场调查分析的步骤和方法，分析了构件及火场经历的最高温度的判定方法及其适用性，指出了火灾后钢材力学性能推断与检测的方法及其优缺点，论述了构件及结构火灾后残余变形的测量内容和方法，总结了火灾后构件及结构剩余承载力的相关研究及验算方法。同时指出了有待进一步研究的问题，为建筑钢结构火灾后检测与评估的理论研究和工程应用提供参考。 TU391; 建筑结构火灾事故频发,火灾可能对建筑物造成严重损伤,甚至引起建筑物倒塌,导致人民生命和财产的巨大损失.对于遭受火灾但未倒塌的建筑物,通过修复加固后可实现再利用.修复加固前,需要对受火损伤的建筑结构进行科学、详细、准确的检测和鉴定,确定建筑结构材料的剩余强度和构件的损伤程度,为建筑结构的修复加固提供依据,从而达到经济且安全地恢复建筑结构使用功能的目的.归纳了火灾后建筑钢结构检测与评估的研究进展,介绍了建筑结构火灾后现场调查分析的步骤和方法,分析了构件及火场经历的最高温度的判定方法及其适用性,指出了火灾后钢材力学性能推断与检测的方法及其优缺点,论述了构件及结构火灾后残余变形的测量内容和方法,总结了火灾后构件及结构剩余承载力的相关研究及验算方法.同时指出了有待进一步研究的问题,为建筑钢结构火灾后检测与评估的理论研究和工程应用提供参考. |
| Abstract_FL | Fire accidents in building structures occur frequently,and can cause serious damage or even collapse to buildings,leading to huge losses of people's lives and property.Buildings that have suffered from fire but not collapsed can be repaired,reinforced and reused.Before repairing and reinforcement of the building,it is necessary to carry out scientific,detailed and accurate detection and identification of the fire-damaged structures,such as determining the residual strength of the structural materials of the building,and the degree of damage of the members,so as to provide a basis for the repair and reinforcement,and finally achieve the purpose of economic and safe restoration of building structure function.This paper summarized in detail the research progress of the detection and evaluation of post-fire steel building structures.The steps and methods of on-site investigation and analysis of building structures after fire were introduced,the determination methods and applicability of the maximum temperature experienced by members and fire sites were analyzed,the methods of inferring and testing the mechanical properties of steel after fire and their advantages and disadvantages were pointed out,the measurement contents and methods of residual deformation of members and structures after fire were discussed,and the relevant research and calculation methods of residual bearing capacity of members and structures after fire were summarized.At the same time,the problems that need further research were pointed out,providing reference for the theoretical research and engineering application of detection and evaluation of steel building structures after fire. |
| Author | 蒋彬辉 李国强 浦通葳 |
| AuthorAffiliation | 中南大学 高速铁路建造技术国家工程研究中心,长沙 410075;中南大学 土木工程学院,长沙 410075%同济大学 土木工程学院,上海 200092 |
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| Author_FL | LI Guoqiang JIANG Binhui PU Tongwei |
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| Author_xml | – sequence: 1 fullname: 蒋彬辉 – sequence: 2 fullname: 浦通葳 – sequence: 3 fullname: 李国强 |
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| Keywords | 火灾后检测 identification method assessment steel building structure post-fire detection 鉴定方法 剩余承载力 建筑钢结构 评估 residual bearing capacity 研究进展 research progress |
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| Title | 建筑钢结构火灾后检测与评估研究进展 |
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