地震动强度指标是建筑结构抗震设计的重要依据。
Ground motion intensity measure (im) is an important basis for structural seismic design.
结构抗震设计包括精确的计算设计和合理的概念设计两个方面。
Structural anti-seismic design include accurate calculation design and reasonable concept design.
对于现行的结构抗震设计，第一阶段的工作仍然是进行结构的弹性分析。
For current structure seismic design, the first-phase work is still elastic analysis.
次框架的地震反应比主框架强烈，在结构抗震设计中不能忽略次框架的抗震问题。
Therefore, the earthquake resistance of the sub-frame cannot be ignored in the design of construction.
结构的动力特征值是抗震设计的主要依据。
The dynamic characters of the structure are a main basis for its seismic-resistance design.
因此，对桥梁结构的抗震设计与分析就显得尤为重要。
Therefore, the structure of the bridge seismic design and analysis is particularly important.
基于单自由度体系的非线性动力分析研究了双重抗震结构体系的设计参数。
Based on nonlinear dynamic analysis of single degree freedom system, the design parameters are studied.
结合现行抗震设计规范对网壳结构进行了“二阶段”抗震验算。
The "two stage"seismic check is done through the current code of seismic design.
结合现行抗震设计规范对网壳结构进行了“二阶段”抗震验算。
The "two stage" seismic check is done according to the current code of seismic design.
把导管架海洋平台看作钢框架结构，并把多目标优化设计方法用于其结构的抗震设计中。
Jacket platform was assumed as steel frame structure and multi-objective design method was performed.
把导管架海洋平台看作钢框架结构，并把多目标优化设计方法用于其结构的抗震设计中。
Jacket platform was assumed as steel frame structure and multi-objective design method was performed.
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