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首页> 外文期刊>Arabian Journal for Science and Engineering >Assessment of Seismic Behavior Factor of Code-Designed Steel–Concrete Composite Buildings
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Assessment of Seismic Behavior Factor of Code-Designed Steel–Concrete Composite Buildings

机译：代码设计钢混凝土复合建筑物地震行为因素评估

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摘要

In this study, the seismic behavior factor of steel–concrete composite buildings was examined. For this purpose, 5-, 10-, 15-and 20-story composite moment-resisting frame (CMRF) buildings having concrete-filled steel tube columns and compositebeams were designed at medium ductility (DCM) and high ductility (DCH) levels as per the regulations of Eurocode 8.Examined DCM structures were designed for a PGA of 0.2 g while DCH structures were designed for a PGA of 0.4 g.SeismoStruct software was utilized in the design and performance assessment of the case study structures. Nonlinear staticpushover and incremental dynamic analyses were used. In the pushover analysis, the uniform and triangular load distributionswere adopted while 12 earthquake ground motions were employed in the dynamic analysis. The effect of ductility levels andnumber of stories on the seismic behavior of CMRFs was studied using the results of the nonlinear analysis. To this, thevariation in the lateral response, global yielding value, code-based behavior factor and component, and dynamic behaviorfactor were presented for CMRF structures with DCM and DCH. It was observed that the behavior factor of all CMRFsexhibited well above the design assumptions, especially DCM class CMRFs.
机译：在这项研究中，检查了钢混凝土复合建筑物的地震行为因素。为此目的，5-，10-，15-和20层复合力矩抵抗框架（CMRF）建筑物，具有混凝土填充的钢管柱和复合材料根据EuroCode 8的规定，在中延性（DCM）和高延展性（DCH）水平上设计了光束。所检查的DCM结构设计用于0.2g的PGA，而DCH结构设计用于0.4g的PGA。在案例研究结构的设计和性能评估中使用了地震isstruct软件。非线性静态使用推送和增量动态分析。在推送分析中，均匀和三角形负载分布在动态分析中采用12个地震地面运动而采用。延性水平的影响和使用非线性分析的结果研究了CMRFS的地震行为的故事数量。对此，横向响应，全局产生值，基于代码的行为因子和组件的变化以及动态行为用DCM和DCH呈现CMRF结构的因子。观察到所有CMRF的行为因素高于设计假设，特别是DCM类CMRF。

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