Taking an 18-story frame-steel reinforced masonry composite structure as an example, applying finite element software ANSYS, the paper carries out structural modal analysis and structural response analysis under earthquake, compares it to the frame structure with similar structural size and same constraint conditions and same load conditions, and finds out that under the same condition, the beating capacity of frame-steel reinforced masonry composites structure is higher, moreover, its maximum displacement reduces by 45% comparing to frame structure. Thus, the research achievements have certain referring value for similar engineering in future.%以一幢18层框架—配筋砌块砌体混合结构为算例,运用有限元软件ANSYS对其进行了结构模态分析以及地震作用下的结构响应分析,并与相同结构尺寸、同等约束条件及荷载条件下的框架结构进行了对比分析,得出同等条件下,框架—配筋砌块砌体混合结构在地震作用下的承载力有很大提高,且最大位移比框架结构也减小了45%,研究成果对今后同类工程有一定的参考价值。
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