全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

1000kV特高压同塔双回输电线路塔线耦联体系地震模拟振动台试验研究

, PP. 116-123

Keywords: 特高压,1000kV双回路输电塔,耦联体系,振动台试验,缩尺模型,地震反应

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究地震荷载下输电塔-线体系动力相互作用,以某特高压输变电工程的1000kV同塔双回输电线路为原型,进行了三塔两线缩尺模型振动台试验。探究了不同形式下的输电塔动力特性的变化规律以及地震荷载作用下导、地线非线性振动对特高压输电塔的影响,一定程度上获得了塔线体系振动过程中输电塔与地线的能量分布规律。研究结果表明:输电线对输电塔自振特性影响较大;地震作用下导、地线的非线性振动能够耗散掉部分能量,起到减震作用;地线动应力变化属于一种以塔头振动为激励源的受迫振动,其频谱峰值远离自身基频,与激励密切相关,较为接近塔体振动频率。

References

[1]  Xie Q,Zhu R.Earth,wind,and ice[J].Power and Energy Magazine,2011,9(2):28-36.
[2]  李宏男,白海峰.高压输电塔-线体系抗灾研究的现状与发展趋势[J].土木工程学报,2007,40(2):39-46. Li Hongnan,Bai Haifeng.State-of-the-art review on studies of disaster resistance of high-voltage transmission tower-line systems[J].China Civil Engineering Journal,2007,40(2):39-46(in Chinese).
[3]  Suzuki T.Seismic response characteristics of transmissions towers[C]//In.10 th WCEE,Balkema Rotterdam,1992:55-60.
[4]  Taskov L,Bojadziev M,Stefanovski M.Experiment studies for development and application of dampers for vibration damping at power transmission structures[C]// 8th European Conference on Earthquake Engineering,1986,8(5):25-32.
[5]  梁枢果,朱继华,王力争.大跨越输电塔-线体系动力特性分析[J].地震工程与工程振动,2003,23(6):63-69. Liang Shuguo,Zhu Jihua,Wang Lizheng.Analysis of dynamic characters of electrical transmission tower-line system with a big span[J].Earthquake Engineering and Engineering Vibration,2003,23(6):63-69(in Chinese).
[6]  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. Li Ze.Research on the seismic response analysis of long-span transmission system[D].Shanghai:Tongji University,2002.
[7]  岳茂光,李宏男,王东升,等.行波激励下输电塔?导线体系纵向地震反应分析[J].中国电机工程学报,2006,26(23):145-150. Yue Maoguang,Li Hongnan,Wang Dongsheng,et al.Longitudinal response of the power transmission tower-cable system under traveling seismic wave excitations[J].Proceedings of the CSEE,2006,26(23):145-150(in Chinese).
[8]  田利,李宏男,黄连壮.多点激励下输电塔?线体系的侧向地震反应分析[J].中国电机工程学报,2008,28(16):108-114. Tian Li,Li Hongnan,Huang Lianzhuang.Lateral response of transmission tower-line system under multiple support excitations[J].Proceedings of the CSEE,2008,28(16):108-114(in Chinese).
[9]  曹枚根,周福霖,徐忠根,等.大跨越输电塔线体系减震控制分析研究[J].电网技术,2007,31(14):45-51. Cao Meigen,Zhou Fulin,Xu Zhonggen,et al.Research on seismic control of large crossing transmission towers for transmission lines[J].Power System Technology,2007,31(14):45-51(in Chinese).
[10]  沈国辉,孙炳楠,何运祥,等.大跨越输电塔线体系的地震响应研究[J].工程力学,2008,25(11):212-217. Shen Guohui,Sun Bingnan,He Yunxiang,et al.Seismic responses of long-span transmission tower-line system [J].Engineering Mechanics,2008,25(11):212-217(in Chinese).
[11]  李宏男,陆呜,王前信.大跨越自立式高压输电塔-电缆体系的简化抗震计算[J].地震工程与工程振动,1990,10(2):81-89. Li Hongnan,Lu Ming,Wang Qianxin.Simplified a seismic calculation of high voltaghe system consisting of long span transmission lines and their supporting towers[J].Earthquake Engineering and Engineering Vibration,1990,10(2):81-89(in Chinese).
[12]  Li H N,Shi W.Simpli?ed models and experimental veri?cation for coupled transmission tower-line system to seismic excitations[J].Journal of Sound and Vibration,2005,286(3):569-585.
[13]  李宏男.高压输电塔抗震分析与设计[M].北京:中国电力出版社,2009:38-40. Li Hongnan.Anti-seismic analysis and design of transmission tower[M].Beijing:China Electric Power Press,2009:38-40(in Chinese).
[14]  李杰.生命线工程抗震:基础理论与应用[M].北京:科学出版社,2005. Li Jie.Lifeline earthquake engineering-basic theory and application[M].Beijing:Science Press,2005(in Chinese).
[15]  罗奇峰.日本兵库县南部地震中生命线系统的震害及其震后恢复[J].灾害学,1997,12(1):43-48. Luo Qifeng.Damages to life-line systems caused by Hyogoken Nanbu,Japan,earthquake and their recovery [J].Journal of Catastrophology,1997,12(1):43-48(in Chinese).
[16]  台湾地震工程研究中心.九二一集集大地震全面勘灾精简报告[R].NCREE-99-033,1999. Tai Wan Center for Research on Earthquake Engineering.Chichi earthquake disaster streamline reporting comprehensive survey[R].NCREE-99-033,1999(in Chinese) .
[17]  Maeno Y,Hanada K,Sakamoto Y,et al.Dynamic properties of UHV power transmission towers:full-scale tests and numerical investigation[C]//Proceedings of 8th World Conference Earthquake Engineering,San Francisco,America,1984.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133