建筑结构学报2012，Vol.33Issue(6)：69-76,8.
考虑损伤效应的型钢高强高性能混凝土框架柱恢复力模型研究
Study on restoring force model of SRHSHPC frame columns considering damage effects
摘要
Abstract
To research the seismic behavior of steel reinforced high strength high performance concrete（SRHSHPC） frame columns,the hysteretic behavior of 9 SRHSHPC frame column specimens under low cycle reversed loading were investigated by test.Based on the test results,the ideal trilinear skeleton curve model of frame columns considering descent segment was established.The determination method of the skeleton curve model was given and the hysteretic loops simplified.The cycle degradation indices based on damage was proposed,which was used to describe the degradation law of specimen mechanical properties such as yielding load,hardening stiffness,unloading stiffness,reloading stiffness and bearing capacity.And then,the restoring force model of SRHSHPC frame columns based on damage was established.The specific hysteretic rule was given.Finally,the validity of damage model was verified by comparison with the test results.The result shows that the proposed restoring force model can well reflect the hysteretic characteristics of SRHSHPC frame columns under reversed loading.The study results will provide theoretical reference for the elasto-plastic dynamic analysis of SRHSHPC structures.关键词
型钢高强高性能混凝土/框架柱/骨架曲线/循环退化指数/恢复力模型Key words
steel reinforced high strength high performance concrete/frame column/skeleton curve/cyclic deterioration index/restoring force model分类
建筑与水利引用本文复制引用
王斌,郑山锁,国贤发,李磊..考虑损伤效应的型钢高强高性能混凝土框架柱恢复力模型研究[J].建筑结构学报,2012,33(6):69-76,8.基金项目
国家自然科学基金项目 （）
高等学校博士学科点专项科研基金项目 （）
陕西省科技统筹创新工程计划项目 （）
陕西省教育厅专项科研项目 （）
陕西省科技厅项目 （）
