摘要
基于振动测试理论,对某未加固框架结构与采用防屈曲支撑加固后结构进行了连续振动响应测试,利用测试结果研究了加固前后结构的振型、阻尼比、频率等动力特性,并对其进行了对比分析。根据动力特性结果定量分析了该结构采用防屈曲支撑加固后的抗震性能,对其消能减震加固效果进行了评价,以期为同类型工程的振动测试分析提供可借鉴的参考。
Based on the theory of vibration test, the continuous vibration response of a structure with buckling brace is tested, the vibration mode, damping ratio and frequency of the structure are studied by the test results, and the comparative analysis is carried out. According to the results of dynamic characteristics, the seismic performance of the structure with buckling-restrained brace is analyzed, and the energy dissipation capacity is evaluated, which provide reference for the vibration test analysis of same type of engineering.
出处
《低温建筑技术》
2015年第11期45-47,55,共4页
Low Temperature Architecture Technology
基金
国家科技支撑计划项目(2013BAK13B001)
关键词
防屈曲支撑
减震加固
动力特性
频谱特性
buckling-restrained brace
vibration strengthening
dynamic property
spectral characteristic
