一种新型金属变摩擦耗能器的研发与应用
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摘要
基于被动控制理论,提出一种新型的金属变摩擦耗能阻尼器。通过改变金属摩擦面的摩擦面积,使摩擦系数具有随位移改变而变化的特性。在金属摩擦学理论的基础上,建立了金属变摩擦耗能器的阻尼力计算模型与产品的开发。理论计算与实验数据表明:新型金属变摩擦耗能器的减震性能显著优于常规阻尼器,避免了传统阻尼装置(如油阻尼器)存在的造价高、维护复杂、易漏油的问题;克服了常规摩擦耗能器不能在不同大小荷载作用下保持同样控制效果的缺点,能做到抗震耗能器在不同荷载下保持很好的抗震效果,真正做到"小震小位移少耗能,大震大位移多耗能"的智能控制。
Based on the passive control theory,this article presents a new type of metal variable friction damper which depends on energy dissipation.By changing the friction area of metal friction surface,the friction coefficient varies with the change of displacement.On the basis of the theory of metal tribology,we establish damping force calculation model and product development for metal variable friction dampers.Theoretical calculation results and experimental data show that the damping performance of the new metal variable friction damper is significantly better than that of conventional dampers.The proposed damper avoids the defects of the traditional damping devices,such as those of oil dampers: high cost,complicated maintenance and easy spilling.It also overcomes the problem that conventional friction dampers cannot maintain the same control effect in different sizes and loads.The new metal variable friction damper maintains excellent anti-seismic effect under different loads,i.e.less energy consumption and smaller displacement in small earthquakes,while more energy consumption and larger displacement in heavy earthquakes.
Based on the passive control theory,this article presents a new type of metal variable friction damper which depends on energy dissipation.By changing the friction area of metal friction surface,the friction coefficient varies with the change of displacement.On the basis of the theory of metal tribology,we establish damping force calculation model and product development for metal variable friction dampers.Theoretical calculation results and experimental data show that the damping performance of the new metal variable friction damper is significantly better than that of conventional dampers.The proposed damper avoids the defects of the traditional damping devices,such as those of oil dampers: high cost,complicated maintenance and easy spilling.It also overcomes the problem that conventional friction dampers cannot maintain the same control effect in different sizes and loads.The new metal variable friction damper maintains excellent anti-seismic effect under different loads,i.e.less energy consumption and smaller displacement in small earthquakes,while more energy consumption and larger displacement in heavy earthquakes.
引文
[1]周云.摩擦耗能减震结构设计[M].武汉:武汉理工大学出版社,2006.Zhou Y.Structure Design of Friction EnergyDissipation[M].Wuhan:Wuhan University ofTechnology Press,2006.
[2]日本隔震结构协会.被动减震结构设计.施工手册(原著第2版)[M].北京:中国建筑工业出版社,2008.The Japan Society of Seismic Isolation.StructureDesign of Passive Damping.Construction Manual(The Original Second Edition)[M].Beijing:ChinaArchitecture&Building Press,2008.
[3]王晓天,邹向阳,刘丽华,等.摩擦耗能器发展概况评述[J].长春工程学院学报(自然科学版),2008,9(1):14-18.Wang X T,Zou X Y,Liu L H,et al.Comment onthe development of friction damper[J].ChangchunInstitute of Technology(Natural Science Edition),2008,9(1):14-18.
[4]吴斌,欧进萍.Pall摩擦耗能器的设计方法[J].哈尔滨建筑大学学报,1997,30(4):9-14.Wu B,Ou J P.Design methodology of Pall frictionenergy dissipators[J].Journal of Harbin University ofCivil Engineering and Architecture,1997,30(4):9-14.
[5]王茜茜,张洵安,任绍章,等.一种新型半主动摩擦阻尼器的耗能性能研究[J].西北工业大学学报,2010,28(3):442-447.Wang Q Q,Zhang X A,Ren Sh Zh,et al.A newtype of semi-active friction damper[J].Journal ofNorthwestern Polytechnical University,2010,28(3):442-447.
[6]赵东,王威强,马汝建,等.新型摩擦阻尼器的研究及其在建筑结构振动控制中的应用[J].工业建筑,2006,36(2):1-3.Zhao D,Wang W Q,Ma R J,et al.Research on anew damper and its application in vibration control ofa building[J].Industrial Construction,2006,36(2):1-3.
[7]李惠,彭君义,周锡元,等.向心式摩擦耗能器控制结构地震反应与分析[J].地震工程与工程振动,2001,21(4):66-73.Li H,Peng J Y,Zhou X Y,et al.Seismic responseanalysis of structures with energy dissipating restraint[J].Earthquake Engineering and EngineeringVibration,2001,21(4):66-73.
[8]彭凌云.向心式摩擦耗能器的理论分析与应用研究[D].北京:北京工业大学,2004.Peng L Y.Theoretic analysis and application researchon energy dissipating restraint[D].Beijing:BeijingUniversity of Technology,2004.
[9]瞿伟廉,陈朝晖,徐幼麟.被动及半主动摩擦阻尼器对合肥翡翠电视塔地震反应的控制[J].地震工程与工程振动,2000,20(2):101-105.Qu W L,Chen Ch H,Xu Y L.Passive and semi-active friction dampers used in seismic vibrationcontrol of Hefei Jade television tower[J].EarthquakeEngineering and Engineering Vibration,2000,20(2):101-105.
[2]日本隔震结构协会.被动减震结构设计.施工手册(原著第2版)[M].北京:中国建筑工业出版社,2008.The Japan Society of Seismic Isolation.StructureDesign of Passive Damping.Construction Manual(The Original Second Edition)[M].Beijing:ChinaArchitecture&Building Press,2008.
[3]王晓天,邹向阳,刘丽华,等.摩擦耗能器发展概况评述[J].长春工程学院学报(自然科学版),2008,9(1):14-18.Wang X T,Zou X Y,Liu L H,et al.Comment onthe development of friction damper[J].ChangchunInstitute of Technology(Natural Science Edition),2008,9(1):14-18.
[4]吴斌,欧进萍.Pall摩擦耗能器的设计方法[J].哈尔滨建筑大学学报,1997,30(4):9-14.Wu B,Ou J P.Design methodology of Pall frictionenergy dissipators[J].Journal of Harbin University ofCivil Engineering and Architecture,1997,30(4):9-14.
[5]王茜茜,张洵安,任绍章,等.一种新型半主动摩擦阻尼器的耗能性能研究[J].西北工业大学学报,2010,28(3):442-447.Wang Q Q,Zhang X A,Ren Sh Zh,et al.A newtype of semi-active friction damper[J].Journal ofNorthwestern Polytechnical University,2010,28(3):442-447.
[6]赵东,王威强,马汝建,等.新型摩擦阻尼器的研究及其在建筑结构振动控制中的应用[J].工业建筑,2006,36(2):1-3.Zhao D,Wang W Q,Ma R J,et al.Research on anew damper and its application in vibration control ofa building[J].Industrial Construction,2006,36(2):1-3.
[7]李惠,彭君义,周锡元,等.向心式摩擦耗能器控制结构地震反应与分析[J].地震工程与工程振动,2001,21(4):66-73.Li H,Peng J Y,Zhou X Y,et al.Seismic responseanalysis of structures with energy dissipating restraint[J].Earthquake Engineering and EngineeringVibration,2001,21(4):66-73.
[8]彭凌云.向心式摩擦耗能器的理论分析与应用研究[D].北京:北京工业大学,2004.Peng L Y.Theoretic analysis and application researchon energy dissipating restraint[D].Beijing:BeijingUniversity of Technology,2004.
[9]瞿伟廉,陈朝晖,徐幼麟.被动及半主动摩擦阻尼器对合肥翡翠电视塔地震反应的控制[J].地震工程与工程振动,2000,20(2):101-105.Qu W L,Chen Ch H,Xu Y L.Passive and semi-active friction dampers used in seismic vibrationcontrol of Hefei Jade television tower[J].EarthquakeEngineering and Engineering Vibration,2000,20(2):101-105.
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