[1]邓扬,李爱群,丁幼亮.基于最大熵理论的润扬悬索桥桥址极值风速预测[J].东南大学学报(自然科学版),2008,38(5):758-762.[doi:10.3969/j.issn.1001-0505.2008.05.004]
 Deng Yang,Li Aiqun,Ding Youliang.Prediction of extreme wind speed for Runyang Suspension Bridge spot based on maximum entropy theory[J].Journal of Southeast University (Natural Science Edition),2008,38(5):758-762.[doi:10.3969/j.issn.1001-0505.2008.05.004]
点击复制

基于最大熵理论的润扬悬索桥桥址极值风速预测()
分享到:

《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
38
期数:
2008年第5期
页码:
758-762
栏目:
交通运输工程
出版日期:
2008-09-20

文章信息/Info

Title:
Prediction of extreme wind speed for Runyang Suspension Bridge spot based on maximum entropy theory
作者:
邓扬 李爱群 丁幼亮
东南大学混凝土及预应力混凝土结构教育部重点实验室, 南京 210096
Author(s):
Deng Yang Li Aiqun Ding Youliang
Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
关键词:
最大熵法 结构健康监测 悬索桥 极值风速
Keywords:
maximum entropy theory structural health monitoring suspension bridge extreme wind speed
分类号:
U442
DOI:
10.3969/j.issn.1001-0505.2008.05.004
摘要:
基于最大熵可靠度理论,提出了润扬大桥悬索桥的桥址极值风速预测方法,从而为润扬大桥悬索桥的风效应可靠度评估提供实际的荷载概率模型.根据桥址实测短期风速风向数据,计算了反映桥址气候特征的日最大风速风向频度函数,并计算了统计的桥址风速风向联合概率密度函数曲面.在此基础上采用最大熵法建立了桥址的风速风向联合概率模型,并对润扬大桥悬索桥50年和100年重现期内的极值风速进行了预测.分析结果表明,采用联合概率模型能够较好地描述润扬大桥悬索桥桥址的良态气候风场模式,并且桥址预测的极值风速小于设计风速,说明润扬悬索桥抗风设计时考虑了较大的安全度.
Abstract:
Based on the maximum entropy reliability theory, the method of extreme wind velocity prediction for Runyang Suspension Bridge spot is presented to provide the practical wind load model for the wind-induced structural safety evaluation. Based on the short-time measurement the wind direction frequency of daily largest wind velocity is calculated to reflect the wind climate characteristics of the bridge site and the statistical curved surface of joint probability density function is also presented. The maximum entropy theory is further used to construct the joint probability model considering the joint action of wind speed and direction, and the extreme wind speed during the return periods of 50 and 100 years are further predicted. The analysis results show that the proposed joint probability model can describe the normal climate mode of Runyang Suspension Bridge spot. And the prediction wind velocity is less than the design velocity, which means that a large safety degree is contained in the anti-wind design of the bridge.

参考文献/References:

[1] 李爱群,缪长青,李兆霞,等.润扬长江公路大桥结构健康监测系统研究 [J].东南大学学报:自然科学版,2003,33(5):544-548.
  Li Aiqun,Miao Changqing,Li Zhaoxia,et al.Health monitoring system for Runyang Yangtse River Bridge [J].Journal of Southeast University:Natural Science Edition,2003,33(5):544-548.(in Chinese)
[2] 罗雄.利用短期实际风速记录模拟极值风速及桥梁时域抖振分析[D].成都:西南交通大学土木工程学院,2002.
[3] 希尔H,斯坎伦R H著.风对结构的作用[M].刘熵培等译.上海:同济大学出版社,1992.
[4] 盛骤,谢式千,潘承毅.概率论与数理统计[M].北京:高等教育出版社,1992.
[5] Silvin G. Information theory with application [M].New York:McGrawHillCo,1977.
[6] 杨令强,练继建,张社荣,等.随机有限元与最大熵法联合求混凝土拱坝可靠度[J].水利水运工程学报,2003,30(2):24-28.
  Yang Lingqiang,Lian Jijain,Zhang Sherong,et al.Reliability index calculation of concrete arch dam by a combinedstochastic FEM and maximum entropy method [J]. Hydro-Science and Engineering,2003,30(2):24-28.(in Chinese)
[7] Simiu E,Hechert N A.Extreme wind distribution tails:a “peaks over threshold” approach [J]. Journal of Structural Engineering,ASCE,1996,122(5):539-547.
[8] Ge Yaojun,Xiang Haifan.Statistical study for mean wind velocity in Shanghai area [J]. Journal of Wind Engineering and Industrial Aerodynamics,2002,90(12/15):1585-1599.
[9] Castillo E. Extreme value theory in engineering [M].New York:Academic Press,1988.
[10] 韦征,叶继红,沈世钊.最大熵法可靠度理论在工程中的应用[J].振动与冲击,2007,26(6):146-152.
  Wei Zheng,Ye Jihong,Shen Shizhao.Engineering application of the maximum entropy reliability theory [J]. Journal of Vibration and Shock,2007,26(6):146-152.(in Chinese)
[11] 顾明,陈礼忠,项海帆.上海地区风速风向联合概率密度函数的研究[J].同济大学学报,1997,25(2):166-170.
  Gu Ming,Chen Lizhong,Xiang Haifan.Study on the joint probability density function between the wind velocity and direction [J].Journal of Tongji University,1997,25(2):166-170.(in Chinese)
[12] 张相庭.工程结构风荷载理论和抗风计算手册[M].上海:同济大学出版社,1990.

相似文献/References:

[1]李爱群,周广东.光纤Bragg光栅传感器测试技术研究进展与展望(Ⅰ):应变、温度测试[J].东南大学学报(自然科学版),2009,39(6):1298.[doi:10.3969/j.issn.1001-0505.2009.06.041]
 Li Aiqun,Zhou Guangdong.Progress and prospect of fiber Bragg grating sensors measurement technology(Ⅰ): strain and temperature measurement[J].Journal of Southeast University (Natural Science Edition),2009,39(5):1298.[doi:10.3969/j.issn.1001-0505.2009.06.041]
[2]李爱群,丁幼亮,费庆国,等.润扬大桥斜拉桥模态频率识别的环境变异性[J].东南大学学报(自然科学版),2007,37(2):245.[doi:10.3969/j.issn.1001-0505.2007.02.013]
 Li Aiqun,Ding Youliang,Fei Qingguo,et al.Environmental variability in modal frequency identification of Runyang Cable-Stayed Bridge[J].Journal of Southeast University (Natural Science Edition),2007,37(5):245.[doi:10.3969/j.issn.1001-0505.2007.02.013]
[3]黄盛楠,叶列平,陆新征,等.CFRP预警传感器的研究[J].东南大学学报(自然科学版),2006,36(5):810.[doi:10.3969/j.issn.1001-0505.2006.05.026]
 Huang Shengnan,Ye Lieping,Lu Xinzheng,et al.Research on CFRP alarm sensors[J].Journal of Southeast University (Natural Science Edition),2006,36(5):810.[doi:10.3969/j.issn.1001-0505.2006.05.026]
[4]缪长青,李爱群.异形钢管混凝土系杆拱桥结构健康监测系统[J].东南大学学报(自然科学版),2011,41(6):1241.[doi:10.3969/j.issn.1001-0505.2011.06.022]
 Miao Changqing,Li Aiqun.Structural health monitoring system for special-shaped concrete-filled steel tubular arch bridge[J].Journal of Southeast University (Natural Science Edition),2011,41(5):1241.[doi:10.3969/j.issn.1001-0505.2011.06.022]
[5]蔡建,袁慎芳,邱雷,等.基于波包能量的裂纹扩展监测实验研究[J].东南大学学报(自然科学版),2009,39(3):477.[doi:10.3969/j.issn.1001-0505.2009.03.012]
 Cai Jian,Yuan Shenfang,Qiu Lei,et al.Experimental study on crack growth monitoring based on wave packet energy[J].Journal of Southeast University (Natural Science Edition),2009,39(5):477.[doi:10.3969/j.issn.1001-0505.2009.03.012]
[6]李爱群,周广东.光纤Bragg光栅传感器测试技术研究进展与展望(Ⅱ):位移、加速度、索力、钢筋锈蚀、裂缝测试[J].东南大学学报(自然科学版),2009,39(6):1307.[doi:10.3969/j.issn.1001-0505.2009.06.042]
 Li Aiqun,Zhou Guangdong.Progress and prospect of fiber Bragg grating sensors measurement technology(Ⅱ): displacement, acceleration, cable force, corrosion, and crack measurement[J].Journal of Southeast University (Natural Science Edition),2009,39(5):1307.[doi:10.3969/j.issn.1001-0505.2009.06.042]
[7]李兆霞.大型土木结构多尺度损伤预后的现状、研究思路与前景[J].东南大学学报(自然科学版),2013,43(5):1111.[doi:10.3969/j.issn.1001-0505.2013.05.034]
 Li Zhaoxia.State of the art in multi-scale damage prognosis for major infrastructures[J].Journal of Southeast University (Natural Science Edition),2013,43(5):1111.[doi:10.3969/j.issn.1001-0505.2013.05.034]
[8]黄兴淮,徐赵东,Dyke Shirley.基于能量原理和Kalman滤波器的实时模型修正策略[J].东南大学学报(自然科学版),2015,45(3):539.[doi:10.3969/j.issn.1001-0505.2015.03.022]
 Huang Xinghuai,Xu Zhaodong,Dyke Shirley.In-time model updating strategy based on energy theory and Kalman filter[J].Journal of Southeast University (Natural Science Edition),2015,45(5):539.[doi:10.3969/j.issn.1001-0505.2015.03.022]
[9]黄其欢,丁幼亮,王一安,等.基于InSAR的南京大胜关大桥纵向位移监测与分析[J].东南大学学报(自然科学版),2017,47(3):584.[doi:10.3969/j.issn.1001-0505.2017.03.028]
 Huang Qihuan,Ding Youliang,Wang Yian,et al.InSAR-based longitudinal displacement monitoring and analysis on Nanjing Dashengguan bridge[J].Journal of Southeast University (Natural Science Edition),2017,47(5):584.[doi:10.3969/j.issn.1001-0505.2017.03.028]
[10]郑文智,王浩,杜永峰,等.环境激励下基础隔震结构时变模态频率的温度效应[J].东南大学学报(自然科学版),2017,47(5):999.[doi:10.3969/j.issn.1001-0505.2017.05.025]
 Zheng Wenzhi,Wang Hao,Du Yongfeng,et al.Temperature effect of time-varying modal frequency of base-isolated structure under ambient excitation[J].Journal of Southeast University (Natural Science Edition),2017,47(5):999.[doi:10.3969/j.issn.1001-0505.2017.05.025]

备注/Memo

备注/Memo:
作者简介: 邓扬(1984—),男,博士生; 李爱群(联系人),男,博士,教授,博士生导师,aiqunli@seu.edu.cn.
基金项目: 国家高技术研究发展计划(863计划)资助项目(2006AA04Z416)、国家杰出青年基金资助项目(50725828).
引文格式: 邓扬,李爱群,丁幼亮.基于最大熵理论的润扬悬索桥桥址极值风速预测[J].东南大学学报:自然科学版,2008,38(5):758-762.
更新日期/Last Update: 2008-09-20