钢管混凝土斜交网格筒结构抗震性能研究

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (7) : 77-84.

论文

钢管混凝土斜交网格筒结构抗震性能研究

史庆轩，王峰，桑丹，吴超锋，王朋

作者信息 +

Aseismic behavior of CFST diagrid tube structures

SHI Qing-xuan, WANG Feng, SANG Dan, WU Chao-feng, WANG Peng

Author information +

文章历史 +

摘要

采用PERFORM-3D对钢管混凝土斜交网格筒结构进行静力弹塑性和动力弹塑性时程分析，分析了该结构的屈服路径、侧向位移及层间位移角、剪力滞后效应、斜柱损伤及损伤分布模式。结果表明：钢管混凝土斜交网格筒结构传力途径明确，具有较大的抗侧刚度和较好的空间工作性能，且主次节点可以有效地平衡各斜柱内力差，使节点层变形小于其它非节点层；斜交网格筒结构的剪力滞比沿楼层高度由正剪力滞比转变为负剪力滞比，且随着结构的塑性发展，结构首次出现负剪力滞后的位置有所下降；不同类型地震波及不同加速度幅值对斜柱层损伤值影响较大，而对斜柱层损分布模式影响较小。

Abstract

The models of concrete-filled steel tubular (CFST) diagrid tube structures were analyzed with the nonlinear static elastic-plastic time-history analysis method, the nonlinear dynamic elastic-plastic time-history analysis one and the software PERFORM-3D. The structural yield path, lateral displacement, floor drifts, shear hysteretic effect, oblique column damages and their distribution mode were studied. The results showed that CFST diagrid tube structures have a clear force transmission path, a larger lateral stiffness and better spatial working performances; the main and secondary nodes can effectively balance internal force differences of oblique columns, so deformations of node layers are smaller than those of non-node layers; shear hysteretic ratio of diagrid tube structures changes from positive values to negative ones along the floor’s height, the position of negative shear hysteretic ratio occurring for the first time drops with the development of structure’s plasticity; different earthquake waves and different acceleration response amplitudes have a larger influence on damage of oblique column layers, while they have a smaller effect on damage distribution mode of oblique column layers.

导出引用

史庆轩，王峰，桑丹，吴超锋，王朋. 钢管混凝土斜交网格筒结构抗震性能研究[J]. 振动与冲击, 2018, 37(7): 77-84

SHI Qing-xuan, WANG Feng, SANG Dan, WU Chao-feng, WANG Peng. Aseismic behavior of CFST diagrid tube structures[J]. Journal of Vibration and Shock, 2018, 37(7): 77-84

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