垂度阻尼索的设计及对结构减振的试验研究

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摘要高耸结构在地震、强风或其它激励的作用下易发生大幅振动甚至倒塌，由于缺少阻尼器理想的安装位置，目前直接采用阻尼器对结构进行减振的效果并不理想。垂度阻尼索利用高耸结构与地面之间的相对位移，经过放大后驱动阻尼器进行耗能减振，是阻尼器对高耸结构减振的新尝试。为了研究垂度阻尼索对高耸结构的减振性能，首先制作了粘性阻尼系数可调节的电涡流阻尼器，并通过试验结果获得其粘性阻尼系数与磁铁数量的关系；然后采用主索、电涡流阻尼器和复位弹簧制作垂度阻尼索，并对模型结构进行了减振试验。研究结果表明：垂度阻尼索对高耸结构减振的效果随主索垂度减小而增大，随阻尼器粘性系数增大而增大，为结构提供的附加阻尼比可达30%以上，远大于现有减振措施所能提供的附加阻尼比。

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关键词 ：高耸结构, 振动控制, 电涡流阻尼器, 阻尼索, 试验研究

Abstract：High-rise structures’ large amplitude vibrations and collapses easily happen under the action of earthquake, strong wind or other excitation.High-rise structures’ vibration reduction effect is not efficient using dampers directly at present due to the lack of ideal installation position of dampers.Sag damping cable is used to amplify the relative displacement between ground and high-rise structures and drive dampers for dissipating vibration energy of high-rise structures.This is a new attempt to reduce vibration of high-rise structures with dampers.Here, in order to investigate vibration reduction performance of sag damping cable for high-rise structures, an eddy current damper with adjustable viscous damping coefficients was developed, and the relationship between viscous damping coefficient and magnet number was obtained with test results.Then a sag damping cable was made with a main cable, an occurrence reset spring and an eddy damper.Vibration reduction test was conducted using the sag damping cable for a model structure.The results showed that the vibration reduction effect of the sag damping cable for high-rise structures increases with decrease in its main cable’s sag and increase in damper’s viscous damping coefficient; the additional damping ratio supplied by the sag damping cable for high-rise structures can reach more than 30%, this ratio is much larger than that provided by current other vibration reduction measures.

Key words： High-rise Structure；Vibration Control；Eddy Current Dampers Sag Damping Cables；Experimental Research

收稿日期: 2017-07-21 出版日期: 2018-09-28

引用本文:

禹见达1.2,彭临峰1,张湘琦1,彭剑1,陈政清3. 垂度阻尼索的设计及对结构减振的试验研究[J]. 振动与冲击, 2018, 37(19): 39-44.
YU Jianda1，2,PENG Linfeng1, ZHANG Xiangqi1, PENG Jian1，2,CHEN Zhengqing3. Design of sag damping cable and tests for its application in structural vibration control. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(19): 39-44.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2018/V37/I19/39

[1] 刘彦辉,谭平,周福霖,滕军,闫维明. 广州电视塔直线电机驱动的主动质量阻尼器动力特性研究[J]. 建筑结构学报,2015,36(4):126-132
     LIU Yan-hui, TAN ping, ZHOU Fu-lin ,TENG jun,YAN Wei-ming.Study of dynamic performance of AMD control device driven by multiple linear motors in the Canton Tower[J].Journal of Building Structures,2015,36(4):126-132
[2] 雷旭,牛华伟,陈政清,汪志昊,周帅. 大跨度钢拱桥吊杆减振的新型电涡流TMD开发与应用[J]. 中国公路学报,2015, 28(5): 60-69
LEI Xu, NIU Huawei, CHEN Zhengqing, WANG Zhihao, ZHOU Shuai. Development and Application of a New-type Eddy Current TMD for Vibration Control of Hangers of Long-Span Steel Arch Bridge [J].China journal of Highway and Transport, 2015, 28(5): 60-69
[3] 王志诚, 许春荣, 吴宏波. 崇启大桥主桥钢箱梁TMD系统设计参数计算研究[J].土木工程学报,2015, 48(5):76-82
     WANG Zhi-cheng, XU Chun-rong, WU Hong-bo. Study on design parametres of TMD system for steel box girder of Chongqi Bridge[J]. China Civil Engineering Journal,2015, 48(5):76-82
[4] 陈俊岭, 阳荣昌. 滚球阻尼器在风力发电塔架中的振动控制[J].同济大学学报(自然科学版), 2013, 41(8):1146-1151
     CHEN Jun-lin, YANG Rong-chang. Vibration Control of Tuned Rolling-ball Damper in Wind Turbines[J].Journal of Tongji University (Nature Science), 2013, 41(8):1146-1151
[5] 陈波,郑瑾,瞿伟廉.基于磁流变阻尼器的大跨越输电塔线体系风致振动控制[J]. 振动与冲击. 2008,27(3):71-75
CHEN Bo,ZHENG Jin, QU Wei-lian. Wind-Induced Response Mitigation of Transmission Tower-Line System by Using Magnetorheological Dampers[J]. Journal of Vibration and Shock, 2008,27(3):71-75
[6] 尹鹏,李黎, 梁政平. 粘弹铅芯阻尼器在控制输电塔风振反应中的应用[J].振动与冲击,2007,26(8):1-6
YIN Peng, LI Ni, LIANG Zhengpin. Wind-induced vibration control for electrical transmission tower by using lead viscoelastic dampers[J]. Journal of Vibration and Shock, 2007,26(8):1-6
[7] 樊禹江,王社良,苏乔磊. 新型压电摩擦阻尼器在输电塔结构中的振动控制研究[J].空间结构，2013, 19(3):79-85
FAN Yu-jiang, WANG She-liang, SU Qiao-lei. Research of vibration control of high-voltage transmission tower with a new piezoelectric friction damper[J]. Spatial Structures, 2013, 19(3): 79-85
[8] 胡朋,何立东,郝伟,王锎. 高耸闪蒸塔调谐质量阻尼减振技术的数值分析[J]. 机电工程,2014, 31(9): 1117-1121
      HU Peng, HE Li-dong, HAO wei, WANG Kai. Numerical Simulation on vibration reduction of high-rise flashing column implemented with the tune mass damper [J]. Journal of Mechanical&Electraical Engineering,2014, 31(9): 1117-1121
[9] 赵东, 马汝建, 王威强,蔡冬梅. ETMD减振系统及其在海洋平台振动控制中的应用[J]. 西安石油大学学报(自然科学版),2006,21(2):57-63
ZHAO Dong,MA Ru-jian,WANG Wei-qiang,CAI Dong-mei. Extended turned mass damper(ETMD) and its application in the vibration control of offshore platforms[J].Journal of Xian shiyou University(Natural Science Edition)2006,21(2):57-63
[10] 陈永祁,彭程,马良品. 调谐质量阻尼器(TMD)在高层结构上应用的总结与研究[J].建筑结构,2013,43(增刊):269-274
     CHEN Yongqi, PENG Cheng, MA Liangping. Effect analysis of tuned mass damper(TMD) in high-rise structure[J]. Buliding Structure,2013,43: 269-274
[11] 陈艾荣,项海帆. 多重调质阻尼器制振性能及对桥梁抖振的控制[J].同济大学学报,1998,26(2):125-129
[12] 陈政清,田静莹,黄智文,王建辉. 板式电涡流阻尼系数的计算与试验修正方法[J].中国公路学报,2016, 29(10): 46-53
CHEN Zheng-qing, TIAN Jing-yin, HUANG Zhi-wen, WANG Jianhui. Caculation and Test Correction Method of Plane Type Eddy Current Damping Coeffcient[J].China journal of Highway and Transport.2016, 29(10): 46-53