[1]张晋豪,刘均利,余文成,等.应用Pareto分布的POT模型分析车辆荷载效应极大值[J].华侨大学学报(自然科学版),2018,39(5):649-653.[doi:10.11830/ISSN.1000-5013.201711007]
　ZHANG Jinhao,LIU Junli,YU Wencheng,et al.Calculation of Extreme Value of Vehicle Load Effect by POT Model Using Pareto Distribution[J].Journal of Huaqiao University(Natural Science),2018,39(5):649-653.[doi:10.11830/ISSN.1000-5013.201711007]
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应用Pareto分布的POT模型分析车辆荷载效应极大值()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第39卷
期数:
2018年第5期
页码:
649-653
栏目:
出版日期:
2018-09-20

文章信息/Info

Title:
Calculation of Extreme Value of Vehicle Load Effect by POT Model Using Pareto Distribution
文章编号:
1000-5013(2018)05-0649-05
作者:
张晋豪1; 2;  刘均利1; 3;  余文成1; 3;  王雷1
1. 桂林理工大学 广西岩土力学与工程重点实验室, 广西 桂林 541004;2. 中交四航工程研究院有限公司, 广东 广州 510230;3. 桂林理工大学 土木与建筑工程学院, 广西 桂林 541004
Author(s):
ZHANG Jinhao1; 2;  LIU Junli1; 3;  YU Wencheng1; 3;  WANG Lei1
1. Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering, Guilin University of Technology, Guilin 541004, China; 2. CCCC Fourth Harbor Engineering Institute Company Limited, Guangdong 510230, China3. College of Civil Engineering and Architecture, Guilin University of Technology, Guilin 541004, China
关键词:
桥梁工程;  汽车荷载;  厚尾分布;  超越阈值模型
Keywords:
bridge engineering;  vehicle load;  fat-tailed distribution;  peaks over threshold model
分类号:
O10
DOI:
10.11830/ISSN.1000-5013.201711007
文献标志码:
A
摘要:
为精确模拟汽车荷载效应样本分布的尾部形状,利用基于Pareto分布的超越阈值(POT)模型计算样本频率分布函数;然后,采用尾极值指数检验法检验样本的厚尾性,采用峰度法检验样本的尖峰性和计算样本阈值;最后,基于经典极值理论计算汽车荷载效应极大值分布和设计标准值.对某大桥111 d的动态称量(WIM)车辆荷载效应进行极值估计,结果表明:跨径小于等于16 m的车辆荷载效应符合尖峰厚尾分布,适合采用文中方法计算车辆荷载效应极值.
Abstract:
To accurately simulate the tail shape of vehicle load effect distribution, the peaks over threshold(POT)model based on Pareto distribution was used to fit the frequency distribution of the vehicle load effect sample first. And then, the tail extremum index method was adopted to test the fat-tailed traits of the vehicle load effect sample, and the Kurtosis coefficient method was used to test the Kurtosis traits and the threshold of the vehicle load effect sample, respectively. Finally, the maximum value distribution and design standard value of vehicle load effect were calculated based on classical extreme value theory. The proposed method was used to estimate the maximum load effect of the weigh in motion(WIM)vehicle in 111 d of a bridge. The results show that the vehicle load effect of 16 m is consistent with the peak and fat-tailed distribution. The proposed method is suitable to calculate the extreme value of vehicle load.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2017-11-02
通信作者: 刘均利(1978-),男,副教授,博士,主要从事桥梁拓宽改建、车辆荷载模型的研究.E-mail:liujunli175@qq.com.
基金项目: 国家自然科学基金资助项目(51468013); 广西科学研究与技术开发计划项目(14151012)
更新日期/Last Update: 2018-09-20