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本文运用随机振动振型分解均值反应谱方法，对砖结构层间地震剪力、弹性反应变形进行了分析，并对其阻尼模型进行了研究；阐述了基于单体建筑实测数据对层间墙体抗剪承载力进行统计分析的方法；确立了多层串联结构体系“小震不坏”的抗震可靠度评价模型。通过承载能力和小变形能力的抗震可靠度分析和比较，指出了砖结构按承载能力进行抗震可靠度分析和设计计算的实质。
In this paper, the method of random vibration vibration mode decomposition mean response spectrum is used to analyze the interlaminar seismic shear and elastic deformation of brick structure, and its damping model is studied. The interfacial wall based on measured data of single building is described. The method of statistical analysis of shear bearing capacity was established; the evaluation model of seismic reliability of “multi-tandem structure system” with “small earthquake is not bad” was established. Through analysis and comparison of seismic reliability of bearing capacity and small deformation capacity, the essence of seismic reliability analysis and design calculation of brick structure according to bearing capacity is pointed out.