给出了适用于优化算法的抗震可靠度简化分析方法，提出了一种基于“等可靠度”准则的结构优化方法。
A simplified approach of reliability analysis for seismic structures is provided. And an optimality criterion method is presented for the reliability-based optimization.
对于规则桥梁，可用简化的弹塑性地震反应分析方法进行延性抗震的设计和验算。
Regular Bridges' ductile earthquake-resistance design and checking calculation could be made by simplified analytic means of elastic-plastic earthquake response.
为了对高层建筑结构进行抗震优化分析，提出考虑变刚度的高层建筑结构空间协同分析简化方法。
To analyze tall structures with aseismic optimal, we present a mutual affection analysis of tall structures with variable stiffness.
提出确定底层框架砖房抗震墙数量的简化方法，对砖墙侧移刚度及内力分析提出了简化的实用计算公式。
The simplified formulas used to calculate the masonry structure lateral rigidity and internal force are presented.
提出确定底层框架砖房抗震墙数量的简化方法，对砖墙侧移刚度及内力分析提出了简化的实用计算公式。
The simplified formulas used to calculate the masonry structure lateral rigidity and internal force are presented.
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