1. 強震を受ける損傷制御型二層ブレース構造物の層間変形集中に対するブレース材の二次剛性の影響
- Subjects
層間変形集中率 ,Two Story Braced Frame ,Drift Concentration Factor ,ブレース材二次剛性 ,損傷分散型システム ,Post Yielding Stiffness of Braces ,Ratio of Column Flexural Stiffness ,柱材曲げ剛性比 ,二層ブレース架構 ,Damage Control System - Abstract
In general, the column moment demands in steel concentrically braced frames are ignored. However, large concentrations of damage are not seen in real frames since columns are continuous and they possess some flexural stiffness and strength. This paper clarifies the effect of continuous columns and the post yielding stiffness of buckling restraint braces on mechanism of damage control for two story braced frame with restraint braces on pushover and dynamic analyses. It is shown that continuous seismic and gravity columns and the post yielding stiffness of braces in a structure significantly decrease the possibility of large drift concentrations.
- Published
- 2010