摘要
大跨度建筑空间大,火灾升温区别于小室火灾。大跨度建筑钢结构体系不同于多高层梁柱框架钢结构体系,其火灾下力学响应更加复杂。如何科学地评价大跨度建筑钢结构,特别是空间杆系钢结构和预应力张拉钢结构的抗火性能,受到了科研和工程技术人员越来越多的关注。简要回顾了大跨度建筑钢结构抗火的研究历程,论述了近年来大跨度建筑钢结构抗火研究的主要进展,并对大跨度建筑钢结构抗火研究提出展望。
The elevated temperature in the fires in a large-span building is different from those in compartments.Therefore,the mechanical behavior of large-span steel buildings exposed to fire is more complex than that of multi-story or high-rise buildings since the different structural system between them.It is concerned by more and more researchers and engineers to evaluate the fire resistance of large-span steel buildings,including space frame steel structures and pre-tensioned steel structures.This paper briefly reviews the history of the fire resistance of large-span steel buildings as well as the recent development.The future development direction of the fire resistance of large-span steel buildings is also addressed.
作者
杜咏
李国强
DU Yong;LI Guoqian(College of Civil Engineering,Nanjing Tech University,Nanjing 211800,China;College of Civil Engineering,Tongji University,Shanghai 200092,China;State Key Laboratory of Disaster Reduction in Civil Engineering,Tongji University,Shanghai 200092,China)
出处
《建筑钢结构进展》
CSCD
北大核心
2022年第1期53-66,共14页
Progress in Steel Building Structures
关键词
大空间建筑钢结构
性能化结构抗火
研究进展
空间杆系钢结构
预应力张拉钢结构
large-span steel building
performance-based structural fire resistance
research progress
space frame steel structure
pre-tensioned steel structure
