Jianzhu Gangjiegou Jinzhan为研究H型钢钢骨混凝土柱在压弯剪扭复合受力作用下的抗震性能，对7个H型钢钢骨混凝土柱和1个钢筋混凝土柱进行拟静力试验，以探究扭弯比、轴压比、配箍率等对柱试件抗震性能的影响。分析了柱试件在低周反复加载试验中裂缝产生和发展的规律及破坏特征，讨论了各试件的扭矩-扭率滞回曲线、骨架曲线、耗能能力、延性、刚度退化和损伤分析。结果表明：H型钢钢骨混凝土（HSRC）柱在复合受力状态下均发生受扭破坏，其扭矩-扭率滞回曲线呈现捏拢的“S”形。但相较普通钢筋混凝土试件，其承载能力和抗震性能更优。提升扭弯比、轴压比 ...
邱昕玥, 邵永健, 谢强
doaj
Jianzhu Gangjiegou Jinzhan基于扩孔螺栓连接型耗能段和自复位SMA支撑，提出一种新型自复位耗能段，具有强耗能、高延性、低残余变形和低损伤等特点，可进一步提高偏心支撑结构的抗震性能和震后功能恢复能力。分别设计3个考虑摩擦滑移的自复位耗能段和1个普通自复位耗能段试验模型，并进行往复加载研究，得到其变形或破坏模式、滞回曲线和骨架曲线等。结果表明，滑移阶段耗能段处于相对静止状态，所有构件均处于弹性；非滑移阶段中耗能段依次发生滑移、屈服、翼缘和腹板屈曲现象，整个过程中自复位SMA支撑中SMA受拉，并为自复位耗能段提供承载力、耗能能力和复位力。
张波 +4 more
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