东南大学学报（自然科学版）Issue(1)：110-117,8.DOI:10.3969/j.issn.1001-0505.2016.01.019
新型两阶段耗能开孔式低屈服点钢耗能装置试验研究
Experimental study on new open-pore two-stage energy dissipation device with low yield point steel
摘要
Abstract
In order to implement two-stage energy dissipation, a new open-pore energy dissipation device was designed based on Q235 steel and low yield point steel.Two kinds of steel consumption sheets with different yield displacements were fabricated by different materials and parabola opening ways, and were assembled into an overall energy dissipation device to achieve the two-stage control target of energy dissipation.The monotonic loading tests were carried out on these two energy dissi-pation plates to investigate the yield mechanism considering different parameter settings.The load-displacement curves, yield displacements and yield loads of single-plate specimens were obtained. The low reversed cyclic loading tests were conducted on the energy dissipation device, and the two-stage energy dissipation mechanism and the failure mode were revealed.The hysteretic curves, skel-eton curves, equivalent viscous damping ratio, and equivalent stiffness degradation curves of the en-ergy dissipation device were obtained.The experimental results show that the new two-stage energy dissipation device has full hysteretic curves, stable energy dissipation performance, obvious energy dissipation in stages.关键词
耗能装置/低屈服点钢/两阶段耗能/开孔式/滞回性能Key words
energy dissipation device/low yield point steel/two-stage energy dissipation/open-pore/hysteretic behavior分类
建筑与水利引用本文复制引用
范圣刚,丁智霞,舒赣平,尚春方,刘美景..新型两阶段耗能开孔式低屈服点钢耗能装置试验研究[J].东南大学学报（自然科学版）,2016,(1):110-117,8.基金项目
“十二五”国家科技支撑计划资助项目（2012BAJ13B014）． （）
