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.
对于复杂桥梁应用弹塑性时程分析的方法进行延性抗震的设计和验算。
Complex Bridges' ductile earthquake-resistance design and checking calculation could be made by the means of elastic-plastic temporal analysis.
最后提出了延性约束钢筋混凝土短梁的抗震设计方法建议。
Finally, some recommendations on aseismic design of short ductile restrained reinforced concrete beam have been put forward.
从结构的目标位移和位移延性需求出发，使用该方法不需线性置换结构和迭代过程即可完成结构的抗震设计。
Considering the given target displacement and ductility demand, the seismic design can be done easily without linear elastic substitute structure and iterative procedures.
文中着重探讨了按延性系数进行结构性能抗震设计的方法和步骤，最后指出性能抗震设计方法今后的发展趋势。
The ductility-based seismic design method is particularly proposed. In the end, the developing trends of the method in future are introduced.
本文通过对于高烈度地震区大跨度连续刚构桥在罕遇地震下的抗震分析，提供了一种有效的延性设计方法。
Through seismic analysis of large span continuous rigid frame bridge in intense earthquake area under rarely strong earthquake, this paper offers an effective ductility design method.
本文通过对于高烈度地震区大跨度连续刚构桥在罕遇地震下的抗震分析，提供了一种有效的延性设计方法。
Through seismic analysis of large span continuous rigid frame bridge in intense earthquake area under rarely strong earthquake, this paper offers an effective ductility design method.
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