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首页> 外文期刊>Journal of Constructional Steel Research >Experimental investigation of buckling-restrained steel plate shear walls with inclined-slots
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Experimental investigation of buckling-restrained steel plate shear walls with inclined-slots

机译：斜槽屈曲约束钢板剪力墙的试验研究

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摘要

A buckling-restrained steel plate shear wall with inclined slots (simply referred as "slotted SPSW") consisting of an inner steel plate sandwiched between two precast concrete panels, has been developed as an energy dissipation device of structures. The steel strips between inclined slots behave like a series of buckling-restrained braces to dissipate the energy through inelastic axial deformation when subjected to cyclic loading. This paper experimentally investigated the seismic behavior of slotted SPSWs. Three half-scale specimens were fabricated and tested under quasi-static cyclic loading. Details for proper fabrication of slotted SPSWs were firstly configured. The results illustrated that the slotted SPSW could sustain the target lateral drift ratio (2%) without a reduction of shear force and energy dissipation capacity. Moreover, the tested specimens exhibited stable fatigue hysteresis loops when the cyclic loadings were repeated 30 times at 1.5% peak lateral drift ratio. The maximum drift ratio of tested specimens reached 3.5%, and the cumulative plastic ductility factor was larger than 200. The experimental results indicate that the slotted SPSW is capable of providing high lateral force-resisting and energy dissipation, which can be widely used in engineering structures. (C) 2018 Elsevier Ltd. All rights reserved.
机译：作为结构的能量消散装置，已经开发出具有倾斜槽的屈曲约束钢板剪力墙（简称为“ slotted SPSW”），该倾斜槽由夹在两个预制混凝土板之间的内部钢板组成。倾斜槽之间的钢带的行为就像一系列屈曲约束的支柱，以承受周期性载荷时通过非弹性轴向变形来耗散能量。本文通过实验研究了开槽SPSW的抗震性能。制作了三个半比例试样并在准静态循环载荷下进行了测试。首先配置了适当制造带槽SPSW的细节。结果表明，开槽的SPSW可以维持目标侧向漂移率（2％），而不会降低剪力和能量耗散能力。此外，当循环载荷以1.5％的峰值横向漂移比重复进行30次时，测试样品表现出稳定的疲劳磁滞回线。测试样品的最大漂移率达到3.5％，累积塑性延性因子大于200。实验结果表明，开槽的SPSW能够提供较高的横向抗力和能量耗散，可在工程中广泛使用。结构。 （C）2018 Elsevier Ltd.保留所有权利。

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