摘要 关键词］屈曲约束支撑；层间位移角限值；层间位移；无害位移 [gap=806]Keywords:buckling restrained braces; allowable story drift index; story drift; harmless drift
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Story Drift ratio 层间变位角 ; 层间位移角
destructive story drift 有害层间位移 ; 有害层间位移角
allowable story drift index 层间位移角限值
Most story drift 最大层间位移
yield story drift 层间屈服位移
story drift angle 层间位移角
maximum story drift 最大层间位移角
nominal story drift 名义层间位移
ratio of story-drift 层间位移角比
Story drift is one of the important parameter displayed the struture deformation.
层间变形是反映结构变形的一个重要指标。
Structural behavior is evaluated from story drift ratios obtained through nonlinear time history analyses.
结构的性能由非线性时程分析所得到的结构的层间位移角来衡量。
The second order effects enlarge the requirement of top displacement and story drift and diminish that of base shear.
二阶效应增大了结构的顶点位移最大值和层间位移角最大值，减小了结构的基底剪力最大值。
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