附设粘滞阻尼器的仿古建筑混凝土枋-柱节点动力性能试验研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (17) : 211-219.

论文

薛建阳，董金爽，隋，戚亮杰，许丹

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Experimental research on dynamic performance of concrete lintel-column joint with viscous damper in archaized buildings

XUE Jianyang, DONG JinShuang, SUI Yan, QI Liangjie, XU Dan

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摘要

为研究附设粘滞阻尼器的仿古建筑混凝土枋-柱节点在地震作用下的抗震性能，设计制作了3个仿古建筑混凝土枋-柱节点，包括2个附设粘滞阻尼器的有控结构试件，1个未附设粘滞阻尼器的无控结构对比试件，对其进行动力试验。观察试件的受力过程及破坏特征，分析其受力机理及破坏模式，并研究了其荷载-位移滞回曲线、骨架曲线、承载能力、刚度退化等力学特性。试验结果表明：附设粘滞阻尼器的仿古建筑混凝土枋-柱节点的抵御外荷载的能力明显高于未附设粘滞阻尼器的无控结构，屈服荷载提高幅度平均值约为27.4%，极限荷载提高幅度平均值约为22.4%；附设阻尼器的有控结构位移延性及耗能能力均优于无控结构，且有控结构的骨架曲线在达到极限荷载之后的下降段更为平缓；极限荷载时，有控结构的等效粘滞阻尼系数提高幅度约为27.3%~30.8%，说明附设粘滞阻尼器的仿古建筑混凝土枋-柱节点具有更为优越的抗震性能。

Abstract

In order to analyze the vibration control effect of viscous damper in the concrete archaized buildings with lintel-column joint under seismic action, 3 specimens were tested under dynamic experimental, including two specimens with viscous damper which called controlled structure and a specimen without viscous damper which called non-controlled structure. The failure process and patterns were obtained. The failure characteristics, skeleton curves, mechanical behavior such as the load-displacement hysteretic loops, bearing capacity and stiffness of the joints were analyzed. The results indicate that the load-bearing capacity of controlled structure is significantly higher than non-controlled structure; the mean amount of increasing in yield load and ultimate load is 27.4% and 22.4% respectively. Meanwhile, the performance of displacement ductility and the ability of energy dissipation are superior non-controlled structure. Compared with non-controlled structure, equivalent viscous damping coefficient is improved by 27.3%~30.8%. All these results reflect that the seismic performance of controlled structure significantly is superior to non-controlled structure.

导出引用

薛建阳，董金爽，隋，戚亮杰，许丹. 附设粘滞阻尼器的仿古建筑混凝土枋-柱节点动力性能试验研究[J]. 振动与冲击, 2017, 36(17): 211-219

XUE Jianyang, DONG JinShuang, SUI Yan, QI Liangjie, XU Dan. Experimental research on dynamic performance of concrete lintel-column joint with viscous damper in archaized buildings[J]. Journal of Vibration and Shock, 2017, 36(17): 211-219

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