基于PFD-SMA支撑体系的海洋平台结构振动控制研究
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摘要
该文首先对PFD-SMA支撑体系的滞回性能进行试验研究,分别研究形状记忆合金长度、Pall型摩擦阻尼器的摩擦力(即滑动螺栓预紧力)对其耗能能力的影响,试验结果表明该体系具有较好的耗能能力,支撑长度、摩擦力对其性能有影响:形状记忆合金支撑长度越短、摩擦力越大,越容易发挥形状记忆合金的超弹性性能。然后将其应用于导管架式海洋平台隔震结构,利用有限元分析软件ANSYS分析平台在地震波下的减震效果,结果表明这种体系具有良好滞回性能,能够消耗较多的能量,能满足安全和稳定性的要求。
The experimental research on the hysteretic behavior of a Pall-typed frictional damper with shape memory alloy(PFD-SMA) brace system is done.The influence of length of SMA brace and the slip force of the Pall-typed damper are analyzed,and the test results show that the PFD-SMA brace system has better energy dissipation ability,the shorter of the length of SMA and the greater of the slip friction force,the better superelasticity of SMA is showed.Then the PFD-SMA brace system is put in jacket offshore platform isolation layer,the vibration effect of the platform is analyzed subjected to earthquake wave with the finite element analysis software ANSYS.The results show that the system has a good hysteretic behavior,and is able to consume more energy to meet the requirements of security and stability.
The experimental research on the hysteretic behavior of a Pall-typed frictional damper with shape memory alloy(PFD-SMA) brace system is done.The influence of length of SMA brace and the slip force of the Pall-typed damper are analyzed,and the test results show that the PFD-SMA brace system has better energy dissipation ability,the shorter of the length of SMA and the greater of the slip friction force,the better superelasticity of SMA is showed.Then the PFD-SMA brace system is put in jacket offshore platform isolation layer,the vibration effect of the platform is analyzed subjected to earthquake wave with the finite element analysis software ANSYS.The results show that the system has a good hysteretic behavior,and is able to consume more energy to meet the requirements of security and stability.
引文
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[5]吴斌,张纪刚,欧进萍.考虑几何非线性的Pall型摩擦阻尼器滞回特性分析[J].工程力学,2003,20(1):21―26.Wu Bin,Zhang Jigang,Ou Jinping.The analysis ofhysteretic behavior of Pall-typed frictional dampersconsidering geometry nonlinearity[J].EngineeringMechanics,2003,20(1):21―26.(in Chinese)
[6]Wu B,Zhang J,Williams M,Ou J.Hysteretic behavior ofimproved Pall-typed frictional dampers[J].EngineeringStructures,2005,27:1258―1267.
[7]吴斌,张纪刚,欧进萍.Pall型摩擦阻尼器的试验研究与数值分析[J].建筑结构学报,2003,24(2):7―13.Wu Bin,Zhang Jigang,Ou Jinping.Experimentalresearch and numerical analysis of Pall-typed frictionaldampers[J].Journal of Building Structures,2003,24(2):7―13.(in Chinese)
[8]Jason M C,Reginald D R,Davide F,Ferdinando A.Seismic assessment of concentrically braced steel frameswith shape memory alloy braces[J].Journal of StructuralEngineering,2007,133(6):862―870.
[9]张纪刚,卢爱贞.PFD-SMA支撑体系抗震性能研究[J]中南大学学报,2011,42(10):3157―3163.Zhang Jigang,Lu Aizhen.Analysis of hysteretic behaviorof advanced PFD-SMA frictional damping brace system[J].Journal of Central South University,2011,42(10):3157―3163.(in Chinese)
[10]张纪刚,卢爱贞,欧进萍.PFD-SMA支撑体系滞回性能[J].北京工业大学学报,2011,37(11):1713―1719,1742.Zhang Jigang,Lu Aizhen,Ou Jinping.Hystereticbehavior of advanced PFD-SMA frictional dampingbrace systems[J].Journal of Beijing University ofTechnology,2011,37(11):1713―1719,1742.(inChinese)
[2]周亚军,赵德有.海洋平台结构振动控制综述[J].振动与冲击,2004,23(4):40―43.Zhou Yajun,Zhao Deyou.Review of structural controlfor offshore platform[J].Journal of Vibration and Shock,2004,23(4):40―43.(in Chinese)
[3]欧进萍,龙旭,肖仪清,吴斌.导管架式海洋平台结构阻尼隔振体系及其减振效果分析[J].地震工程与工程振动,2002,22(3):115―122.Ou Jinping,Long Xu,Xiao Yiqing,Wu Bin.Dampingisolation system and its vibration-suppressedeffectiveness analysis for offshore platform jacketstructures[J].Journal of Earthquake Engineering andEngineering Vibration,2002,22(3):115―122.(inChinese)
[4]张纪刚,吴斌,欧进萍.海洋平台结构SMA阻尼隔振振动台试验与分析[J].地震工程与工程振动,2007,27(6):241―247.Zhang Jigang,Wu Bin,Ou Jinping.Shaking table testsand analysis of offshore jacket platform structures modelwith SMA damping isolation systems[J].Journal ofEarthquake Engineering and Engineering Vibration,2007,27(6):241―247.(in Chinese)
[5]吴斌,张纪刚,欧进萍.考虑几何非线性的Pall型摩擦阻尼器滞回特性分析[J].工程力学,2003,20(1):21―26.Wu Bin,Zhang Jigang,Ou Jinping.The analysis ofhysteretic behavior of Pall-typed frictional dampersconsidering geometry nonlinearity[J].EngineeringMechanics,2003,20(1):21―26.(in Chinese)
[6]Wu B,Zhang J,Williams M,Ou J.Hysteretic behavior ofimproved Pall-typed frictional dampers[J].EngineeringStructures,2005,27:1258―1267.
[7]吴斌,张纪刚,欧进萍.Pall型摩擦阻尼器的试验研究与数值分析[J].建筑结构学报,2003,24(2):7―13.Wu Bin,Zhang Jigang,Ou Jinping.Experimentalresearch and numerical analysis of Pall-typed frictionaldampers[J].Journal of Building Structures,2003,24(2):7―13.(in Chinese)
[8]Jason M C,Reginald D R,Davide F,Ferdinando A.Seismic assessment of concentrically braced steel frameswith shape memory alloy braces[J].Journal of StructuralEngineering,2007,133(6):862―870.
[9]张纪刚,卢爱贞.PFD-SMA支撑体系抗震性能研究[J]中南大学学报,2011,42(10):3157―3163.Zhang Jigang,Lu Aizhen.Analysis of hysteretic behaviorof advanced PFD-SMA frictional damping brace system[J].Journal of Central South University,2011,42(10):3157―3163.(in Chinese)
[10]张纪刚,卢爱贞,欧进萍.PFD-SMA支撑体系滞回性能[J].北京工业大学学报,2011,37(11):1713―1719,1742.Zhang Jigang,Lu Aizhen,Ou Jinping.Hystereticbehavior of advanced PFD-SMA frictional dampingbrace systems[J].Journal of Beijing University ofTechnology,2011,37(11):1713―1719,1742.(inChinese)
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