大跨越输电塔线体系减震控制分析研究
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摘要
利用有限元分析软件ANSYS,以跨越珠江的输电线路工程为研究背景,在输电塔上布置粘滞消能阻尼器和调谐质量阻尼器(tuned mass damper,TMD),对比分析了在三向El-Centro地震波作用下有、无减震控制措施的输电塔位移和加速度地震响应。通过有关参数分析计算,分别得到了粘滞阻尼消能减震和调谐质量减震控制的最优粘滞阻尼系数和最优TMD质量,分析研究表明上述2种减震控制措施皆能明显衰减输电塔线体系的地震响应,具有比较理想的减震效果。
By using of finite element analysis software ANSYS and taking the power transmission line crossing over the Pearl River as the background of research, under the condition that the viscous-damper energy dissipater and Tuned Mass Damper (TMD) are arranged or not on the transmission tower, the displacement and the acceleration of the tower are compared and analyzed under the three-dimensional earthquake waves (El-Centro). By means of analysis and calculation of related parameters, the optimal viscous-damper energy coefficient of viscous-damper energy dissipater and the optimal TMD mass of Tuned Mass Damper are respectively obtained. Analysis results show that the two seismic measures are effective in seismic control of large crossing transmission towers.
By using of finite element analysis software ANSYS and taking the power transmission line crossing over the Pearl River as the background of research, under the condition that the viscous-damper energy dissipater and Tuned Mass Damper (TMD) are arranged or not on the transmission tower, the displacement and the acceleration of the tower are compared and analyzed under the three-dimensional earthquake waves (El-Centro). By means of analysis and calculation of related parameters, the optimal viscous-damper energy coefficient of viscous-damper energy dissipater and the optimal TMD mass of Tuned Mass Damper are respectively obtained. Analysis results show that the two seismic measures are effective in seismic control of large crossing transmission towers.
引文
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[16]曹枚根,周福霖,徐忠根,等.钢管组合大跨越输电塔简化模型研究[J].钢结构,2005,20(82):27-32.Cao Meigen,Zhou Fulin,Xu Zhonggen,et al.Simplified model research of combo steel tube tower for large crossing transmission lines[J].Steel Structure,2005,20(82):27-32(in Chinese).
[17]曹枚根,徐忠根.钢管组合大跨越输电塔耦合效应研究[J].中国电力,2006,39(12):36-39.Cao Meigen,Xu Zhonggen.Research on cables coupled effect of combo steel tube tower for large crossing transmission lines[J].Electric Power,2006,39(12):36-39(in Chinese).
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[19]唐友刚.高等结构动力学[M].天津:天津大学出版社,2002.
[2]周福霖.工程结构减震控制[M].北京:地震出版社,1997.
[3]苏速.大跨越输电塔线体系风振控制[D].上海:同济大学,2003.
[4]黄斌,唐家祥.大跨越输电塔结构风振控制[J].噪声与振动控制,1997,(5):2-5.Huang Bin,Tang Jiaxiang.Wind-induced vibration control of long span transmission tower[J].Control of Noise and Vibration,1997,(5):2-5(in Chinese).
[5]胡松.大跨越输电线路的风振反应分析及振动控制研究[D].上海:同济大学,1999.
[6]程志军.架空输电线路静动力特性及风振研究[D].杭州:浙江大学,2000.
[7]陈亦,唐国安.大跨越输电线路塔的振动控制[J].特种结构,2000,17(3):43-46.Chen Yi,Tang Guoan.Vibration control on tower for long span transmission lines[J].Special Structure,2000,17(3):43-46(in Chinese).
[8]江宜城,钟寅亥,樊剑,等.粘弹性阻尼器控制下的大跨越输电塔的风振响应分析[J].钢结构,2003,18(4):34-36.Jiang Yicheng,Zhong Yinhai,Fan Jian,el al.Response analysis on wind-induced vibration for long span transmission tower subjected to visco-elastic dampers control[J].Steel Structure,2003,18(4):34-36(in Chinese).
[9]Battista R C,Rodrigues R S,Pfeil M S.Dynamic behavior and stability of transmission line towers under wind forces[J].Journal of Wind Engineering and Industrial Aerodynamics,2003,(91):1051-1067.
[10]李泽.大跨越输电塔线体系地震反应分析[D].上海:同济大学,2002.
[11]胡大柱,李宏男,贾连光,等.地震作用下输电铁塔非线性动力反应分析[J].沈阳建筑工程学院学报(自然科学版),2004,20(2):94-96.Hu Dazhu,Li Hongnan,Jia Lianguang,et al.Nonlinear dynamic analysis on the transmission tower subjected to earthquake action[J].Journal of Shenyang Arch.and Civ.Eng.Univ.(Natural Science),2004,20(2):94-96(in Chinese).
[12]李宏男,王前信.大跨越自立式高压输电塔体系的动力特性[J].土木工程学报,1997,30(5):28-36.Li Hongnan,Wang Qianxin.Dynamic characteristics of tower for large crossing transmission lines[J].China Civil Engineering Journal,1997,30(5):28-36(in Chinese).
[13]李宏男,石文龙,王苏岩.高压输电塔–导线耦联体系的简化抗震计算方法[J].特种结构,2002,(3):58-61.Li Hongnan,Shi Wenlong,Wang Suyan.Simplified aseismic method of tower for large crossing transmission lines[J].Special Structure,2002,(3):58-61(in Chinese).
[14]李宏男,石文龙,贾连光.考虑导线影响的输电塔侧向简化抗震计算方法[J].振动工程学报,2003,16(2):234-237.Li Hongnan,Shi Wenlong,Jia Lianguang.Simplified aseismic calculation method considering effects of lines on transmission tower[J].Journal of Vibration Engineering,2003,16(2):234-237(in Chinese).
[15]石文龙,贾连光,李宏男.竖向振动时导线对高压输电塔体系的影响[J].沈阳建筑工程学院学报(自然科学版),2001,17(4):262-264.Shi Wenlong,Jia Lianguang,Li Hongnan.The effects of power lines transmission tower under vertical vibration[J].Journal of Shenyang Arch.and Civ.Eng.Univ.(Natural Science),2001,17(4):262-264(in Chinese).
[16]曹枚根,周福霖,徐忠根,等.钢管组合大跨越输电塔简化模型研究[J].钢结构,2005,20(82):27-32.Cao Meigen,Zhou Fulin,Xu Zhonggen,et al.Simplified model research of combo steel tube tower for large crossing transmission lines[J].Steel Structure,2005,20(82):27-32(in Chinese).
[17]曹枚根,徐忠根.钢管组合大跨越输电塔耦合效应研究[J].中国电力,2006,39(12):36-39.Cao Meigen,Xu Zhonggen.Research on cables coupled effect of combo steel tube tower for large crossing transmission lines[J].Electric Power,2006,39(12):36-39(in Chinese).
[18]朱伯芳.有限单元原理与应用(第二版)[M].北京:中国水利水电出版社,1998.
[19]唐友刚.高等结构动力学[M].天津:天津大学出版社,2002.
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