Research of Post-fire Mechanical Property of Steel Fiber Reinforced Ceramsite Concrete Filled Steel Tubes after Exposure to Fire
(0) The post-fire axial compressive behavior of a set of steel fiber reinforced ceramsite concrete filled steel tubular short columns (noted as SFCC-SSC) was experimentally studied.Effect of the maximum value of fire response temperatures of the specimens and some parameters on the axial compression performance of the specimens was especially discussed.The results show that the surface of the steel tubes after fire presented dark red for 700 ℃ of furnace temperature and orange red for 900 ℃,and there was no obvious descending segment in post-fire load-displacement curves of the most specimens subjected to fire load.It was concluded that the axial bearing capacity of the specimens after suffering the furnace temperature of 900 ℃ is much less than that of the specimens not subjected to fire load,and the volume of steel fiber of 0.5% of has the greatest effect on post-fire bearing capacity of specimens of SFCC-SSC.
Ceramsite Concrete Steel Fiber Reinforced Concrete Filled Steel Tubes Post-fire Axial Compression Behavior
Hailun Tong Tianhong Wang Jianqi Lu Xintang Wang
Faculty of Architecture,Civil Engineering and Environment,Ningbo University,Ningbo 315211,China
国际会议
西安
英文
331-334
2013-07-27（万方平台首次上网日期，不代表论文的发表时间）