基于转动型摩擦阻尼器滞回性能试验研究  

RESEARCH ON HYSTERETIC BEHAVIOR OF ROTATIONAL FRICTION DAMPER

作　　者：杨小琦 王燕[1,2] 张海宾 马立威 YANG Xiaoqi;WANG Yan;ZHANG Haibin;MA Liwei(School of Civil Engineering,Qingdao University of Technology,Qingdao 266033,China;Qingdao University of Technology,Cooperative Innovation Center of Engineering Construction and Safety in Shandong Blue Economic Zone,Qingdao 266033,China;Shandong Laiwu Steel Construction Co.,Ltd.,Qingdao 266033,China)

机构地区：[1]青岛理工大学土木工程学院,山东青岛266033 [2]青岛理工大学蓝色经济区工程建设与安全协同创新中心,山东青岛266033 [3]山东莱钢建设有限公司,山东青岛266033

出　　处：《工业建筑》2020年第5期151-157,108,共8页Industrial Construction

基　　金：国家自然科学基金面上资助项目(51678316)。

摘　　要：为研究转动型摩擦阻尼器在静力反复荷载作用下的滞回性能,对6个转动型摩擦阻尼器试件进行拟静力试验研究,分析其工作机理、滞回性能、耗能能力及摩擦系数等并采用ABAQUS有限元软件进行数值模拟,与试验结果进行对比分析。研究结果表明:1)转动型摩擦阻尼器滞回曲线饱满,有较好的耗能能力;2)无石棉有机物摩擦力较为稳定,铝镁合金、铜锌合金阻尼器摩擦力离散性较大;3)增大阻尼器高强螺栓预紧力、单元数可增大阻尼器摩擦力,有效提高摩擦阻尼器耗能能力;4)铝镁合金耗能能力优于铜锌合金、无石棉有机物,无石棉有机物能量耗散稳定性优于铜锌合金、铝镁合金;5)铜锌合金、铝镁合金摩擦系数大于0.3,无石棉有机物摩擦系数约为0.16;6)有限元分析结果与试验值误差较小,有限元模型可以较好地模拟试验。In order to study the hysteretic behavior of the rotational friction damper under static cyclic loading,the quasi-static test of six rotational friction dampers was carried out.The working mechanism,hysteresis performance,energy dissipation capacity and friction coefficient were analyzed.The numerical simulation was carried out by using ABAQUS finite element software.The results were compared with the experimental results.The results showed that:1)rotational friction damper had full hysteretic curve and good energy dissipation capacity;2)the friction of asbestos-free organic matter was relatively stable,and the friction dispersion of Al-Mg alloy and Cu-Zn alloy dampers was relatively large;3)increasing the pre-tightening force of high-strength bolts and the number of elements of the damper could increase the friction force of the damper and effectively improve the energy dissipation capacity of the friction damper;4)the energy dissipation capacity of Al-Mg alloy was better than that of Cu-Zn alloy and asbestos-free organic matter,the energy dissipation stability of asbestos-free organic matter was better than that of Cu-Zn alloy and Al-Mg alloy;5)the friction coefficient of Cu-Zn alloy and Al-Mg alloy was greater than 0.3,the friction coefficient of asbestos-free organic matter was about 0.16;6)the error between the finite element analysis results and the test values was small,the finite element model could simulate the test well.

关 键 词：转动型摩擦阻尼器 拟静力试验 滞回性能 有限元分析 

分 类 号：TU352.1[建筑科学—结构工程]