型钢高强混凝土剪力墙性能设计方法研究
Study on the performance design method of steel high strength concrete shear walls
白亮 1周天华 2粱兴文3
作者信息
- 1. 长安大学,陕西西安710061 长安大学旧桥检测与加固技术交通行业重点实验室,陕西西安710061
- 2. 长安大学,陕西西安710061
- 3. 西安建筑科技大学结构工程与抗震教育部重点实验室,陕西西安710055
- 折叠
摘要
通过6个剪跨比分别为2．1、1．5和1．0的型钢高强混凝土（SHRC）剪力墙低周反复水平加载试验，研究不同剪跨比下SHRC剪力墙的破坏形态。根据本试验SHRC剪力墙在不同阶段的破坏程度并结合其他相关试验数据，统计给出了SHRC剪力墙在使用良好、暂时使用、生命安全和防止倒塌四个性能水平对应的位移角取值建议。在试验研究基础上，建立SHRC剪力墙极限位移角计算公式，计算结果与试验结果符合较好，提出SHRC剪力墙基于性能的变形能力设计方法，最终给出SHRC剪力墙不同轴压比限值下，满足特定目标位移需求的约束钢筋数量，可供工程设计时参考使用。
Abstract
Cyclic loading tests of six steel high strength concrete （SHRC） shear walls with shear span ratios of 2.1, 1.5 and 1.0 were conducted and the failure patterns of the shear walls under different aspect ratios was studied. On the basis of the damage levels of SHRC shear walls, the limit state of the different seismic performance levels and their dominating parameters are proposed. The performance of SHRC shear walls can be divided into four levels, performance continuity, performance interruption, life safety and collapse prevention. The story drift ratio of SHRC shear walls are developed for four different seismic performance levels and the ultimate drift ratio are calculated using numerical method. Comparison between calculation results and test results illustrates that those calculating procedure is feasible. A performance-based deformation capacity design method was developed for SHRC shear walls and the transverse reinforcement characteristic value in accordance with the target top displacement ratio and axial load ratio was proposed.
关键词
型钢高强混凝土/剪力墙/性能设计/极限位移角/轴压比Key words
steel high strength concrete/shear wall/performance design/ultimate drift ratio/axial load ratio引用本文复制引用
基金项目
中国博士后科学基金(20110490165)
国家自然科学基金(51078305)
中央高校基本科研业务费()
长安大学基础研究支持计划专项基金(CHD2012JC007)
中央高校科研业务费(创新团队)项目(CHD2012TD012)
出版年
2012
NETL
NSTL
维普
万方数据