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...
电网技术  2010 

塌陷区输电铁塔的可靠性评估

, PP. 214-218

Keywords: 塌陷区,地表变形,输电铁塔,可靠性评估

Full-Text   Cite this paper   Add to My Lib

Abstract:

以某塌陷区上输电线路为对象,分析了输电线路经过地区的煤炭开采状况,对塌陷区地表变形进行了预计分析。采用数值分析方法,分析了地表变形对输电杆塔结构内力和变形的影响规律,研究表明,除了单支座施加竖向位移荷载,其他工况可以认为在支座位移为根开的5‰以内,杆件均不会达到屈服荷载;可以利用出现Q235材料屈服时的支座位移作为判断塔架是否安全的标准,即当预测的地表变形小于Q235材料屈服时的支座位移时,认为塔架处于安全状态。

References

[1]  Zhang Wenlang,Yu Yongqing,Su Zhiyi.Investigation and analysis of icing and snowing disaster happened in Hunan power grid in 2008[J].Power System Technology,2008,32(8):1-15(in Chinese).
[2]  莫付江,陈允平,阮江军.输电线路杆塔模型与防雷性能计算研究[J].电网技术,2004,28(21):80-85.
[3]  Mo Fujiang,Chen Yunping,Ruan Jiangjun.Study on transm ission tow erm odels and their lightningperform ance calculation[J].Power System Technology,2004,28(21):80-85(in Chinese).
[4]  黄强,王家红,欧名勇.2005年湖南电网冰灾事故分析及其应对措施[J].电网技术,2005,29(24):16-19.
[5]  Huang Qiang,Wang JiaHong,Ou Mingyong.Analysis on accidents caused by icing damage in hunan power grid in 2005 and its countermeasures[J].Power System Technology,2005,29(24):16-19(in Chinese).
[6]  谢强,张勇,李杰.华东电网500 kV任上5237线飑线风致倒塔事故调查分析[J].电网技术,2006,30(10):59-63.
[7]  Xie Qiang,Zhang Yong,Li Jie.Investigation on tower collapses of 500 kV renshang 5237 transmission line caused by downburst [J].Power System Technology,2006,30(10):59-63(in Chinese).
[8]  李再华,白晓民,周子冠,等.电网覆冰防治方法和研究进展[J].电网技术,2008,32(4):7-13.
[9]  周国铨,崔继宪,刘广容,等.建筑物下采煤[M].北京:煤炭工业出版社,1983:74-93.
[10]  赵洪才.高压输电铁塔下采煤可行性预测及实践[J].山东煤炭科技,1989(4):53-60.
[11]  Zhao Hongcai.High-voltage transmission tower under the projections and the feasibility of mining practice[J].Shandong Coal Science and Technology,1989(4):53-60(in Chinese).
[12]  史振华.采空区输电线路直线自立塔基础沉降及处理方案[J].山西电力技术,1997,17(3):18-20.
[13]  张联军,王宇伟.高压输电铁塔下采煤技术研究[J].河北煤炭,2002(4):12-13.
[14]  孙俊华.煤矿采空区线路设计技术[J].山西电力,2004(3):13-14.
[15]  Sun Junhua.Experience and measure for design the transmission line in empty coal mine[J].Shanxi Eiectric Power:2004(3):13-14(in Chinese).
[16]  刘涛,采动区自立式输电铁塔破坏机理及抗变形能力研究[D].徐州:中国矿业大学,2008.
[17]  中国电力科学研究院.1 000 kV交流特高压同塔双回线路杆塔结构研究[R].北京:中国电力科学研究院,2008.
[18]  唐国安.我国500 kV线路倒塔事故率浅析[J].电力建设,1994,15(11):18-20.
[19]  Tang Guo’an.The analysis about the accident probability of 500 kV transmission tower downburst in China[J].Electric Power Construction,1994,15(11):18-20(in Chinese).
[20]  屈靖,郭剑波.“九五”期间我国电网事故统计分析[J].电网技术,2004,28(21):60-63.
[21]  Qu Jing,Guo Jianbo.Statistics and analysis of faults in main domestic power systems from 1996 to 2000[J].Power System Technology,2004,28(21):60-63(in Chinese).
[22]  张皖军,尹其云.1996年电网事故的启示[J].电网技术,1996,21(4):54-57.
[23]  Zhang Wanjun,Yin Qiyuan.Analyses of power system faults occurred in 1996 and some suggestions for fault treatment[J].Power System Technology,1996,21(4):54-57(in Chinese).
[24]  黄新波,刘家兵,蔡伟.等.电力架空线路覆冰雪的国内外研究现状[J].电网技术,2008,32(4):23-28.
[25]  Huang Xinbo,Liu Jiabing,Cai Wei,et al.Present research situation of icing and snowing of overhead transmission lines in China and foreign countries[J].Power System Technology, 2008,32(4):23-28(in Chinese).
[26]  李庆峰,范峥,吴穹,等.全国输电线路覆冰情况调研及事故分析[J].电网技术,2008,32(9):33-36.
[27]  Li Qingfeng,Fan Zheng,Wu Qiong,et al.Investigation of ice-covered transmission lines and analysis on transmission line failures caused by ice-coating in China[J].Power System Technology,2008,32(9):33-36(in Chinese).
[28]  张文亮,于永清,宿志一.湖南电网2008年冰雪灾害调研分析[J].电网技术,2008,32(8):1-15.
[29]  李茂华,李正,任吉华,等.500 kV输电线路杆塔结构的可靠性分析[J].电网技术,2008,32(23):91-94.
[30]  Li Maohua,Li Zheng,Ren Jihua,et al.Reliability analysis on tower structure for 500 kV transmission lines[J].Power System Technology,2008,32(23):91-94(in Chinese).
[31]  杨靖波,李茂华,杨风利.我国输电线路杆塔结构研究新进展[J].电网技术,2008,32(22):77-83.
[32]  Yang Jingbo,Li Maohua,Yang Fengli.New advances in the study of transmission tower structure of China[J].Power System Technology, 2008,32(22):77-83(in Chinese).
[33]  孙昭英,廖蔚明,丁玉剑,等.±800 kV直流输电工程空气间隙放电特性试验及间隙距离选择[J].电网技术,2008,32(22):8-12.
[34]  Sun Zhaoying,Liao Weiming,Ding Yujian,et al.Air gap flashover characteristics and selection of gap distances for ±800 kV UHVDC transmission project[J].Power System Technology,2008,32(22):8-12(in Chinese).
[35]  国网北京电力建设研究院.1000 kV级交流线路杆塔方案及荷载研究[R].北京:国网北京电力建设研究院,2006.
[36]  韩军科,李正,杨风利.冷弯型钢输电铁塔真型试验研究[J].电力建设,2008(29):58-60.
[37]  Han Junke,Li Zheng,Yang Fengli.Full scale test of transmission tower using cold-bending profiled steel[J].Electric Power Construction,2008(29):58-60(in Chinese)
[38]  孙昭英.第一代500 kV杆塔用于漫昆线的可行性研究[J].电网技术,1990,14(3):59-63.
[39]  莫付江,陈允平,阮江军.输电线路杆塔模型与防雷性能计算研究[J].电网技术,2004,28(21):80-85.
[40]  Mo Fujiang,Chen Yunping,Ruan Jiangjun.Study on transmission tower mod els and their lightning performance calculation[J].Power System Technology,2004,28(21):80-85(in Chinese).
[41]  吴盛麟.对我国输电线路工作的几点建议[J].电网技术,1994,18(2):49-52.
[42]  Wu Shenglin,Some suggestions on the research work of power transm ission line in China[J].Power System Technology,1994,18(2):49-52(in Chinese).
[43]  Li Zaihua,Bai Xiaomin,Zhou Ziguan,et al.Prevention and treatment methods of ice coating in power networks and its recent study [J].Power System Technology,2008,32(4):7-13(in Chinese).
[44]  张建强,杨昆,王予东,等.煤矿采空区地段高压输电线路铁塔地基处理的研究[J].电网技术,2006,30(2):30-34.
[45]  Zhang Jianqiang,Yang Kun,Wang Yudong,et al.Research on foundation treatment of nigh voltage transmission towers erected above goaf of coal mine[J].Power System Technology,2006,30(2):20-34(in Chinese).
[46]  Shi Zhenhua.Subsidence transmission line tower in a straight line basis for self-reliance and settlement programs to deal with[J].Shanxi Electric Power,1997,17(3):18-20(in Chinese).
[47]  Zhang Lianjun,Wang Yuwei.Study on mining under high voltage transmission tower[J].Hebei Coal,2002(4):12-13(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133