局部外包钢管装配整体式钢筋混凝土柱高轴压下的抗震性能试验研究  

Seismic performance experimental research on assembled monolithic reinforced concrete column with local outsourcing steel pipe under the condition of high axial compression ratio

作　　者：王鹏[1,2] 李青宁[2] 姜维山[2] 张兴虎[2] 潘树宾 

机构地区：[1]中联西北工程设计研究院,陕西西安710082 [2]西安建筑科技大学土木工程学院,陕西西安710055 [3]河北合创建筑节能科技有限公司,天津300000

出　　处：《四川建筑科学研究》2013年第4期227-230,共4页Sichuan Building Science

摘　　要：针对装配整体式高强螺旋箍混凝土柱,提出了采用局部外包钢管,横向穿筋焊接的柱-柱连接方法,设计了3个足尺的局部外包钢管装配整体式柱试件和1个足尺的高强螺旋箍筋现浇柱对比试件,进行了拟静力试验;通过分析试件的滞回曲线、骨架曲线、弹塑性转角等参数研究试件在高轴压和低周反复荷载下的滞回性能。分析发现试件的滞回曲线稳定饱满,呈现出钢管混凝土的特性,具有良好的抗震耗能能力和弹塑性变形能力;在高轴压作用下试件的破坏形态仍然为延性较好的大偏心受压破坏,具有良好的防倒塌能力。In order to research the local outsoureing steel tube assembly and high strength concrete column spiral stirrups anti-seismic performance, three full scale design of the local steel tube column specimens assembly and outsoureing and a full scale of high strength steel spiral stirrups cast-in-site column specimens contrast, the pseudo-static experiment. Through the low cyclic loading test specimens of the hysteresis curve, skeleton curves, the specimens in the big axial compression ratio of the failure pattern, elastic-plastic deformation ability, analysis the integrity of the nodes connected by column and reliability.

关 键 词：装配式结构 局部外包钢管 低周反复试验 约束混凝土 高强螺旋箍筋 

分 类 号：TU375.3[建筑科学—结构工程]