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...

悬索桥主缆温度场计算模型构建分析

, PP. 66-71

Keywords: 桥梁工程,悬索桥,热扩散系数,主缆,导热系数,太阳辐射,非稳态,热传导

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于传热学理论,以某特大悬索桥为背景,采用试验测试得到了主缆结构的表观热扩散系数与表观导热系数。在采用测试参数的基础上,建立主缆的热分析模型和非稳态热传导微分方程,推导太阳热辐射和热对流边界条件,特别是针对主缆在太阳辐射边界条件下的情况,分析得到了一套主缆温度场的普适计算方法。通过对某桥梁主缆温度场的有限元计算及与实桥主缆温度场实测结果的对比,证明了计算方法与试验结果的精确和可靠,可用于悬索桥主缆设计、施工和运营阶段的温度场计算。

References

[1]  LEE J H. Investigation of Extreme Environmental Conditions and Design Thermal Gradients During Construction for Prestressed Concrete Bridge Girders [J].Journal of Bridge Engineering, 2012,17(3):547-556.
[2]  张亮亮,杨磊,杨转运,等.大跨混凝土箱梁温度场分析[J].土木建筑与环境工程,2011,33(1):36-42. ZHANG Liang-liang,YANG Lei,YANG Zhuan-yun, et al. Temperature Field Analysis of Long-span Concrete Box Girders[J].Journal of Civil, Architectural & Environmental Engineering,2011,33(1):36-42.
[3]  雷笑,叶见曙,王毅.日照作用下混凝土箱梁的温差代表值[J].东南大学学报:自然科学版,2008, 38(6):1105-1109. LEI Xiao,YE Jian-shu,WANG Yi. Representative Value of Solar Thermal Difference Effect on PC Box-girder[J].Journal of Southeast University: Natural Science Edition, 2008, 38(6):1105-1109.
[4]  汪剑,方志.混凝土箱梁桥的温度场分析[J].湖南大学学报:自然科学版,2008, 35( 4): 23-28. WANG Jian,FANG Zhi. Temperature Variation of Concrete Box Girder Bridge [J].Journal of Hunan University: Natural Science Edition, 2008, 35(4):23-28.
[5]  邓扬,李爱群,丁幼亮.大跨悬索桥梁端位移与温度的相关性研究及其应用[J].公路交通科技,2009,26(5):54-58. DENG Yang, LI Ai-qun, DING You-liang. Research and Application of Correlation between Beam End Displacement and Temperature of Long-span Suspension Bridge[J].Journal of Highway and Transportation Research and Development, 2009, 26(5):54-58.
[6]  BARR P J, STANTON J F, EBERHARD M O. Effects of Temperature Variations on Precast, Prestressed Concrete Bridge Girders [J]. Journal of Bridge Engineering, 2005, 10(2): 186-194.
[7]  RADOVANOVIC Z, ULI?EVI? M. Influence of Temperature on Box Girder Bridges [J].Gradevinar,2008,60(2):109-121.
[8]  潘永仁, 范立础.悬索桥施工中主缆横截面平均温度实用计算法[J]. 同济大学学报:自然科学版, 1998, 26 (2): 114-118. PAN Yong-ren, FAN Li-chu. Practical Method for Calculating the Mean Temperature of the Main Cable Section in the Construction Control of Suspension Bridges [J].Journal of Tongji University:Natural Science Edition, 1998,26 (2): 114-118.
[9]  王达,张永健,黄平明.大跨度悬索桥主缆施工温度时变效应研究[J]. 公路交通科技, 2010,27(12): 72-77. WANG Da, ZHANG Yong-jian, HUANG Ping-ming. Research on Temperature Time-varying Effect of Long-span Suspension Bridge during Main Cable Construction [J]. Journal of Highway and Transportation Research and Development, 2010,27 (12): 72-77.
[10]  林一宁,余屏孙,林亚超.悬索桥架设期间主缆温度测试研究[J].桥梁建设,1997(3):58-66. LIN Yi-ning.YU Ping-sun, LIN Ya-chao. Measurement and Analysis of Temperature of the Main Cable during the Erection of Suspension Bridges [J]. Bridge construction, 1997(3):58-66.
[11]  胡利平.悬索桥施工过程中主缆温度效应分析[J].中国建设信息,2003(19):45-47. HU Li-ping. Analysis of Temperature Effect of Main Cables of Suspension Bridge in Construction Process [J]. Information of China Construction, 2003(19):45-47.
[12]  徐海鹰,赵少杰.悬索桥主缆温度场计算[J].铁道工程学报,2012 (1):45-50. XU Hai-ying, ZHAO Shao-jie. Calculation of Temperature Field of Main Cable of Suspension Bridge[J]. Journal of Railway Engineering Society, 2012 (1):45-50.
[13]  杨世铭,陶文铨.传热学 [M]. 4版.北京:高等教育出版社,2006. YANG Shi-ming,TAO Wen-quan. Heat Transfer [M]. 4th ed. Beijing: Higher Education Press,2006.
[14]  黄文雄.太阳能之应用及理论[M].台北:台北出版社,1978. HUANG Wen-xiong. Application and Theory of Solar Energy[M]. Taipei:Taipei Press, 1978.
[15]  金伟良.工程荷载组合理论与应用[M].北京:机械工业出版社,2006. JIN Wei-liang. Engineering Load Combination Theory and Application [M].Beijing:China Machine Press, 2006.
[16]  凯尔别克 F. 太阳辐射对桥梁结构的影响[M]. 刘兴法, 等译. 北京: 中国铁道出版社, 1981. CALEBUICK F. Effect of Solar Radiation on Bridge Structure [M]. LIU Xing-fa, et al. translated. Beijing: China Railway Publishing House, 1981.
[17]  张鹤飞. 太阳能热利用原理与计算机模拟 [M].2版.西安:西北工业大学出版社,2007. ZHANG He-fei. Principle of Solar Thermal Utilization and Computer Simulation [M]. 2nd ed. Xi'an: Northwestern Polytechnical University Press, 2007.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133