摘要
提出了在标准火灾升温作用下钢骨混凝土轴压柱极限承载力与变形的计算方法,通过试验对计算方法进行了验证。在此基础上,对混凝土强度、钢骨强度、钢骨含钢率、截面尺寸和受火时间等承载力影响参数进行了计算分析,并分别给出了拟合计算式,可供钢骨混凝土柱抗火设计参考。
The analysis method of fire resistant capacity of SRC columns in ISO834 fire has been put forward, and the reliability of the approach has been validated by the good agreement between the calculating results and testing results. Based on which, the influence of parameters on fire resistance, such as the strength of concrete, the strength of steel, steel ratio and the cross section size have been studied, and the corresponding calculating formulae were also presented.
出处
《钢结构》
2005年第6期87-91,77,共6页
Steel Construction
基金
国家杰出青年科学基金项目(50225825)
关键词
钢骨混凝土轴压柱
标准升温曲线
抗火极限承载力
影响参数分析
SRC columns under axial compression standard elevated temperature curve fire resistant capacity influence parameters analysis
