A COMBINED ENERGY DISSIPATION DEVICE AND ITS APPLICATION ON A WEAK-STORY
A weak-story in a multi-story building may cause excessive displacement during a severe ground motion. To prevent this effect, this study proposes an energy dissipation device combined of viscous dampers and displacement controlling limiter. The limiter which has a hardening type force-displacement relationship compensates the low capacity of the structure on the weak-story and provides a uniform ductility distribution among the stories. Considering the mentioned merit of limiter device, an energy-based damper design method was developed to obtain the necessary amount of damper. Technically speaking, damper design requires predicting the structural response accurately, which leads to iterative dynamic response analysis and sophisticated time history analysis. Proposed energy-based method does not require time history analysis as it assumes uniform ductility distribution, which can be obtained by the limiter.
Energy based design earthquake resistant design viscous damper displacement control
Fatih Sutcu Norio Inoue Norio Hori
Research Associate PhD, Istanbul Technical University Professor, Tohoku University-Japan Research Associate, Tohoku University-Japan
国际会议
14th World Conference on Earthquake Engineering(第十四届国际地震工程会议)
北京
英文
2008-10-12（万方平台首次上网日期，不代表论文的发表时间）