钢框架结构在火灾下的整体响应分析综述

Overview of Overall Response Analysis of Steel Frame Structure in Different Fire Scenarios

火灾作用下钢框架结构整体响应分析越来越受到工程界的广泛关注,已经成为一个研究的热点。对国内外的研究成果进行归纳总结,阐述了火灾作用之下钢框架研究的重点:有限元软件的选取、升温曲线的模拟、计算结果的敛散性的调整、破坏准则的适当选用等,分析了存在的不足,指出了研究的方向和需要解决的问题。

The overall response analysis of steel frame structure under fire is becoming more and more popular in the engineering,which has to be a research focus. The present research achievements of overall response analysis of steel frame structure under fire were summarized. The emphasis and problems of the study about the steel framework under fire action were elaborated. It included software selection,temperature rising curve simulation,convergence divergence adjustment of calculation results,failure criterion of the appropriate selection and so on. The research directions and issues to be addressed were pointed out.