型钢混凝土T形柱的耐火性能  

Fire resistance of steel reinforced concrete T-shaped column

作　　者：曲爽 巩贤港 QU Shuang;GONG Xiangang(School of Civil Engineering, Shandong Jianzhu University, Jinan 250101, China)

机构地区：[1]山东建筑大学土木工程学院,济南250101

出　　处：《计算机辅助工程》2022年第1期1-4,共4页Computer Aided Engineering

摘　　要：为分析异形柱的耐火性能,以火灾下型钢混凝土T形柱为研究对象,采用有限元软件Abaqus建立其热-力顺序耦合模型,研究加载角、轴压比和偏心距等参数对T形柱耐火性能的影响。结果表明:对于型钢混凝土T形柱,在一定加载角度范围内,其耐火极限随加载角的增大而增大;轴压比和偏心距对T形柱的耐火性能影响也很大,随着轴压比和偏心距的增大,构件的耐火极限减小。To analyze the fire resistance of special-shaped columns,the steel reinforced concrete T-shaped column under fire is taking as the research object,and its thermal-mechanical sequential coupling model is established using the finite element software Abaqus.The effects of loading angle,axial compression ratio and eccentricity on the fire resistance of T-shaped columns are studied.The results show that,for the steel reinforced concrete T-shaped columns,the fire resistance limit increases with the increase of loading angle within a certain range of loading angle.The axial compression ratio and eccentricity also have great influence on the fire resistance of T-shaped columns,and the fire resistance limit of the member decreases with the increase of axial compression ratio and eccentricity.

关 键 词：型钢混凝土 异形柱 耐火性能 温度场 位移场 有限元 

分 类 号：TP391.99[自动化与计算机技术—计算机应用技术] TU311.3[自动化与计算机技术—计算机科学与技术]