软钢-滚动隔震支座的力学性能分析
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摘要
针对大跨空间结构的结构特点和纯滚动隔震体系的不足,提出软钢-滚动隔震支座,并根据隔震支座的受力特点,建立软钢的力学分析模型;依据赫兹接触理论,计算滚珠静载荷下的特征参数。同时,运用有限元软件ANSYS模拟隔震支座的静荷载作用下力学特征和滞回特性,获得其主要力学性能参数,并与所建立力学分析模型及赫兹理论进行对比分析,二者基本一致。分析结果表明,本支座具有良好的受力性能和理想的滞回耗能性能,滚珠滞回耗能性能很低。
According to the characteristics of large-span spatial structure and the shortcoming of pure rolling isolation system,a concept design of Mild Steel-Rolling Isolation( MSRI) bearing is put forward in this paper. The mechanical model is established on the basis of the stress characteristics. The characteristic parameters of rolling under static load are calculated on the basis of Hertz contact theory. Meanwhile,the mechanical characteristics of the bearing under static loads and hysteretic characteristics are numerically simulated by the FEM ANSYS to obtain the main mechanical parameters of this bearing. These parameters are in good agreement with the results from the established theoretical model. It is indicated that the theoretical model is agreeable to the FEM analysis. In brief,it is shown that the bearing shares good mechanical properties and ideal hysteretic characteristics.
According to the characteristics of large-span spatial structure and the shortcoming of pure rolling isolation system,a concept design of Mild Steel-Rolling Isolation( MSRI) bearing is put forward in this paper. The mechanical model is established on the basis of the stress characteristics. The characteristic parameters of rolling under static load are calculated on the basis of Hertz contact theory. Meanwhile,the mechanical characteristics of the bearing under static loads and hysteretic characteristics are numerically simulated by the FEM ANSYS to obtain the main mechanical parameters of this bearing. These parameters are in good agreement with the results from the established theoretical model. It is indicated that the theoretical model is agreeable to the FEM analysis. In brief,it is shown that the bearing shares good mechanical properties and ideal hysteretic characteristics.
引文
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[13]冈本纯三.球轴承的设计计算[M].黄志强,译.北京:机械工业出版社,2003:2-14.Okamoto Junnami.Design and calculation of ball bearing[M].Beijing:China Machine Press,2003:2-14.(in Chinese)
[14]Benny,G.Finite Element analysis of squirrel cage ball bearings for gas turbine engines[J].Defence Science Journal,2006,57(2):165-174.
[15]黄琳琳.滚动轴承刚度的非线性分析及工程应用[D].大连:大连理工大学,2009.HUANG Linlin.The nonlinear analysis and engineering application to rolling bearing stiffness[D].Dalian:Dalian University of Technology,2009.(in Chinese)
[16]王大力,孙立明.ANSYS在求解轴承接触问题中的应用[J].轴承,2002(9):1-4.WANG Dali,SUN Liming.Application of ANSYS software in solution of contact problem of bearing[J].Bearing,2002(9):1-4.(in Chinese)
[17]张文轩.基于ANSYS的混合陶瓷球轴承接触分析与试验研究[D].天津:天津大学,2004.ZHANG Wenxuan.ANSYS-based contact analysis of hybrid ceramic ball bearings and experiment research[D].Tianjin:Tianjin University,2004.(in Chinese)
[2]Derham C J.,Thomas A G.The Design of Seismic Isolation Bearing[J].Century 2-emerging technology conference(San Francisco),2000.
[3]何志明,周云,陈清祥.剪切钢板阻尼器研究与应用进展[J].地震工程与工程振动,2012,32(6):124-135.HE Zhiming,ZHOU Yun,CHEN Qingxiang.Advance in research and application of steel shear panel dampers[J].Journal of Earthquake Engineering and Engineering Vibration,2012,32(6):124-135.(in Chinese)
[4]周云,刘季.新型耗能(阻尼)减震器的开发和研究[J].地震工程与工程振动,1998,18(1):71-78.ZHOU Yun,LIU Ji.Development and study of new energy dissipaters(dampers)[J].Journal of Earthquake Engineering and Engineering Vibration,1998,18(1):71-78.(in Chinese)
[5]胡克旭,吕西林,陈清祥,等.开孔式软钢阻尼器在某公司机房大楼抗震加固中的应用[J].结构工程师,2005(增刊):7-11.HU Kexu,LU Xilin,CHEN Qingxiang,et al.Application of HADAS in seismic retrofit of machine building[J].Structural Engineers,2005(S):7-11.(in Chinese)
[6]邓勇军,姚勇,陈代果.软钢阻尼器加固某大跨度结构减震性能研究[J].西南科技大学学报,2012,27(4):49-57.DENG Yongjun,YAO Yong,CHEN Daiguo.Study on earthquake resistant performance of a large span structure strengthened with HADAS[J].Journal of Southwest University of Science and Technology,2012,27(4):49-57.(in Chinese)
[7]乌兰,李爱群,沈顺高.软钢阻尼器在中国妇女活动中心酒店结构中优化研究[J].工业建筑,2013,43(增刊):255-260.WU Lan,LI Aiqun,SHEN Shungao.Optimization study on vibration control of structure for China women activity center’s hotel with metallic damper[J].Industrial Construction,2013,43(supp.):255-260,(in Chinese)
[8]杨勇,陈彬磊,李文峰.首都体育馆比赛馆结构抗震加固研究与设计[J].建筑结构,2008,38(1):46-49.YANG Yong,CHEN Binlei,LI Wenfeng.Research and design of the capital gymnasium on anti-seismic reinforcement[J].Building Structure,2008,38(1):46-49.(in Chinese)
[9]刘伟庆,董军,王曙光,等.宿迁市文体综合馆基础隔震设计[J].建筑结构学报,2003,24(2):20-24.LIU Weiqing,DONG Jun,WANG Shuguang,et al.Design of base-isolated structure of Suqian City Gymnasium[J].Journal of Building Structure,2003,24(2):20-24.(in Chinese)
[10]周云.金属耗能减震结构设计[M].武汉:武汉理工大学出版社,2006.ZHOU Yun.Metal energy dissipaters design[M].Wuhan:Wuhan University of Technology Press,2006.(in Chinese)
[11]欧进萍,吴斌,龙旭,等.北京饭店消能减振抗震加固分析与设计:时程分析法[J].地震工程与工程振动,2001,21(4):82-87.OU Jinping,WU Bin,LONG Xu,et al.Analysis and design of seismic retrofit of Beijing Hotel with energy dissipaters:time history method[J].Earthquake Engineering and Engineering Vibration,2011,21(4):82-87.(in Chinese)
[12]Martin J B.Plasticity[M].余同希,赵学仁,译.北京:北京理工大学出版社,1990.Martin J B.Plasticity[M].Beijing:Beijing Institute of Press,1990.(in Chinese)
[13]冈本纯三.球轴承的设计计算[M].黄志强,译.北京:机械工业出版社,2003:2-14.Okamoto Junnami.Design and calculation of ball bearing[M].Beijing:China Machine Press,2003:2-14.(in Chinese)
[14]Benny,G.Finite Element analysis of squirrel cage ball bearings for gas turbine engines[J].Defence Science Journal,2006,57(2):165-174.
[15]黄琳琳.滚动轴承刚度的非线性分析及工程应用[D].大连:大连理工大学,2009.HUANG Linlin.The nonlinear analysis and engineering application to rolling bearing stiffness[D].Dalian:Dalian University of Technology,2009.(in Chinese)
[16]王大力,孙立明.ANSYS在求解轴承接触问题中的应用[J].轴承,2002(9):1-4.WANG Dali,SUN Liming.Application of ANSYS software in solution of contact problem of bearing[J].Bearing,2002(9):1-4.(in Chinese)
[17]张文轩.基于ANSYS的混合陶瓷球轴承接触分析与试验研究[D].天津:天津大学,2004.ZHANG Wenxuan.ANSYS-based contact analysis of hybrid ceramic ball bearings and experiment research[D].Tianjin:Tianjin University,2004.(in Chinese)
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