[1]刘玉龙,孔 伟.考虑反应谱参数概率分布的输电塔可靠度分析[J].南京理工大学学报(自然科学版),2016,40(06):746.[doi:10.14177/j.cnki.32-1397n.2016.40.06.017]
 Liu Yulong,Kong Wei.Reliability analysis of transmission tower considering probability distribution of response spectrum parameters[J].Journal of Nanjing University of Science and Technology,2016,40(06):746.[doi:10.14177/j.cnki.32-1397n.2016.40.06.017]
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考虑反应谱参数概率分布的输电塔可靠度分析
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《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

卷:
40卷
期数:
2016年06期
页码:
746
栏目:
出版日期:
2016-12-30

文章信息/Info

Title:
Reliability analysis of transmission tower considering probability distribution of response spectrum parameters
文章编号:
1005-9830(2016)06-0746-06
作者:
刘玉龙1孔 伟2
1.国网大同供电公司,山西 大同 037008; 2.东北电力大学 建筑工程学院,吉林 吉林 132012
Author(s):
Liu Yulong1Kong Wei2
1.State Grid Datong Power Supply Company,Datong 037008,China; 2.School of Architecture Engineering,Northeast Dianli University,Jilin 132012,China
关键词:
反应谱法 输电塔 响应面法 特征周期 地震影响系数最大值
Keywords:
response spectrum method transmission towers response surface method characteristic period maximum earthquake influence coefficient
分类号:
TM279
DOI:
10.14177/j.cnki.32-1397n.2016.40.06.017
摘要:
为了提高输电塔的可靠度,通过反应谱法研究了随机变量对可靠度的影响。利用汶川地震实测资料,基于K-S检验法和Spearman秩相关系数分别确定特征周期和地震影响系数最大值的概率分布和相关系数。基于响应面法拟合了输电塔的一次功能函数。利用功能函数得到可靠指标与相关系数的关系式。分析了随机变量对输电塔可靠度的影响。结果表明:特征周期和地震影响系数最大值分别服从正态分布和指数分布; 特征周期和地震影响系数最大值的增加都会降低输电塔的可靠性,地震影响系数最大值是输电塔可靠性的敏感因素; 考虑特征周期和地震影响系数最大值的负相关性会提高输电塔的可靠性。
Abstract:
The influence of random variables on the reliability is studied using the response spectrum method to improve the reliability of transmission towers.Based on Wenchuan seismic data,the probability distribution and correlation coefficient of the characteristic period and the maximum seismic influence coefficient are determined by the Kolmogorov-Smirnov(K-S)test and the Spearman rank correlation coefficient.A linear performance function of transmission towers is fitted based on the response surface method.The relation between the reliability index and the correlation coefficient is obtained by using the function.The influence of random variables on the reliability of transmission towers is analyzed.The results show that:the maximum earthquake influence coefficient and the characteristic period obey the normal distribution and the exponential distribution respectively; the increase of the maximum earthquake influence coefficient and the characteristic period reduces the reliability of transmission towers; the maximum earthquake influence coefficient is a sensitive factor to the reliability of transmission towers; the reliability of transmission towers can be improved by considering the negative correlation between the characteristic period and the maximum earthquake influence coefficient.

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备注/Memo

备注/Memo:
收稿日期:2016-04-20 修回日期:2016-07-29
作者简介:刘玉龙(1991-),男,硕士,主要研究方向:输电线路可靠度分析,E-mail:ww20063385@163.com; 通讯作者:孔伟(1965-),女,教授,主要研究方向:输电线路工程,E-mail:346595674@qq.com。
引文格式:刘玉龙,孔伟.考虑反应谱参数概率分布的输电塔可靠度分析[J].南京理工大学学报,2016,40(6):746-751.
投稿网址:http://zrxuebao.njust.edu.cn
更新日期/Last Update: 2016-12-30