Research on Seismic Energy Distribution and Dissipation of Reinforced Concrete Framewall Highrise Structure(PDF)
《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]
- Issue:
- 2015年03期
- Page:
- 38-45
- Research Field:
- Publishing date:
Info
- Title:
- Research on Seismic Energy Distribution and Dissipation of Reinforced Concrete Framewall Highrise Structure
- Author(s):
- BAO Wen-bo; FU Liang-hua; LU Hai-yan; XU Guang-yang
- School of Architecture and Civil Engireering, Shenyang University of Technology
- Keywords:
- principle of energy balance; seismic energy distribution; energy dissipation mechanism; reinforced concrete; framewall structure
- PACS:
- -
- DOI:
- -
- Abstract:
- In order to investigate the mechanism of seismic energy distribution and dissipation of complex building structure, the time history analysis of dynamic elastoplastic energy for a reinforced concrete (RC) framewall highrise structure was made by using software Perform 3D based on the principle of energy balance. Mean while, the rule of earthquake input energy and its distribution were obtained for RC framewall structure under rare earthquake. The influences of ground motion characteristics on the earthquake input energy and its distribution in the RC framewall highrise structure were examined, the time histories of the ratios of seismic energy dissipation to input energy were obtained. The influences of damping ratios and ductility ratios on the earthquake input energy, damping energy and hysteretic energy and its ratios to input energy were discussed, and the mutual influences of damping ratios on the hysteretic energy and the ductility ratios on the damping energy were determined. The distributions of the hysteretic energy along vertical direction and among RC members of the building structure were researched, and the effects of lateral stiffness on the hysteretic energy were confirmed for the framewall highrise structure. The rules of earthquake input energy and its distribution among energy components were indicated for RC framewall highrise structure. The obtained conclusion for seismic design theory based on the energy balance principle can provide reference for the engineering practice of complex RC highrise building structure.
Last Update: 2015-05-27