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首页> 外文期刊>Bulletin of earthquake engineering >Shake table tests of three storey cold-formed steel structures with strap-braced walls
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Shake table tests of three storey cold-formed steel structures with strap-braced walls

机译：用带支架墙壁摇动三层冷成型钢结构的测试表

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摘要

This study aims to increase the knowledge of the seismic behaviour of low-to-medium rise structures, in which the seismic force-resisting system is provided by cold-formed steel strap-braced walls designed as non-energy-dissipating systems. The dynamic response of this system under seismic actions is analysed by performing shake table tests on two reduced-scale (1:3) three-storey two-bay prototypes, that differed in floor typology: steel-concrete floors (Type 1) or floors made of wood-based panels (Type 2). Main outcomes show that the seismic response can be considered as satisfactory, because the system seems to have inherent ductility even without a designated energy dissipating mechanism. In particular, the seismic response was approximately linear for tests having intensity not greater than that assumed for the design, whereas for tests having higher intensities the behaviour deviated from the linearity, with maximum interstorey drift angles greater than 2% without very extensive damage, and in-plane floor rigid behaviour for both prototypes according to the ASCE 7 definition.
机译：本研究旨在提高低至中介质结构的地震行为的知识，其中抗震力抵抗系统由设计为非能量消耗系统的冷成型钢带支撑壁提供。通过在两层尺度（1：3）三层的双架原型上进行摇动台测试，分析了这种系统在地震措施下的动态响应，其中包括地板类型不同：钢混凝土地板（1型）或地板由基于木材的面板（2型）制成。主要结果表明，地震反应可以被认为是令人满意的，因为即使没有指定的能量耗散机制，系统似乎具有固有的延展性。特别地，抗震响应近似是线性的，其具有不大于设计的强度的测试，而对于具有更高强度的测试，该行为偏离线性度偏离的行为，最大的间隙漂移角度大于2％而没有非常广泛的损坏，而且根据ASCE 7定义的两种原型的面内底部刚性行为。

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