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苏通大桥扁平钢箱梁温度场长期监测与统计分析

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Keywords: 桥梁工程,扁平钢箱梁,概率统计,温度场,概率分布模型

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Abstract:

以苏通大桥斜拉桥的扁平钢箱梁为研究对象,基于结构健康监测系统对其温度场进行长期监测。根据温度监测结果对扁平钢箱梁的温度分布特性进行分析,重点研究扁平钢箱梁的横向温差和竖向温差分布特征,在此基础上采用统计学方法建立了扁平钢箱梁温度以及温差的概率分布模型,确定了具有一定重现期的钢箱梁温度和温差标准值。分析结果表明,扁平钢箱梁顶板与底板之间存在较大的竖向温差,顶板存在一定的横向温差,底板的横向温差可以忽略;扁平钢箱梁温度均可以通过2个正态分布函数的加权和来描述其概率密度分布,横向温差和竖向温差均可以通过2个威布尔分布函数的加权和来描述其概率密度分布。

References

[1]  DING You-liang, LI Ai-qun. Temperature-induced Variations of Measured Model Frequencies of Steel Box Girder for A Long-span Suspension Bridge[J].International Journal of Steel Structures, 2011,11 (2):145-ISS.
[2]  张谢东,蔡素军,石明强,等.混凝土箱梁温度场观测与分析[J].公路交通科技,2008, 25(10):52-57.ZHANG Xie-Bong, CAI Su-un, SHI Ming-qiang, et al.Observation and Analysis of Temperature Field of Concrete Box Girder[J].Journal of Highway and Transportation Research and Development, 2008,25(10):52一57.
[3]  IM C K, CHANG S P. Estimating Extreme Thermal Loads in Composite Bridge Using Long-Term Measurement Data[J].Steel SUvctures, 2004,1 (4):25一31.
[4]  吴六政.混凝土箱梁桥温度场的模拟[J].公路交通科技,2011,28(10):65一69.WU Liu-zheng. Simulation of Temperature Field of Concrete Box-girder Bridge[J].Journal of Highway and Transportation Research and Development, 2011,28(10):65一69.
[5]  方志,汪剑.大跨预应力混凝土连续箱梁桥日照温差效应[J].中国公路学报,2007, 20 (1); 62 - 67.FANG Zhi, WANG Jian. Sun Light Thermal Difference Effect on Long-span PC Continuous Box Girder Bridge[J].China Journal of Highway and Transport, 2007,20(1):62一67.
[6]  向学建,董军,刘昊苏,等.高原冬季环境下桥梁温度场各参数的确定[J].公路交通科技,2012, 29 (3):58一63,85.XIANG Xue一ian, DONG Jun, LIU Hao-su, et al.Determination of Parameters of Temperature Field of Box-girder Bridge in Winter Weather of Plateau [J].Journal of Highway and Transportation Research and Development,2012,29 (3):58一63, 85.
[7]  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):1105一1109.LEI Xiao, YE Jian-shu, WANG Yi. Representative Value of Solar Thermal DiB'erence Effect on PC Box-girder[J].Journal of Southeast University; Natural Science Edition,2008,38 (6):1105一1109.
[8]  叶见曙,贾琳,钱培舒.混凝土箱梁温度分布观测与研究[J].东南大学学报:自然科学版,2002, 32 (15);69一74.YE Jian-shu, JIA Lin, QIAN Pei-shu. Observation and Research on Temperature Distribution in Concrete Box Girders[J].Journal of Southeast University; Natural Science Edition,2002,32(15):69一74.
[9]  叶见曙,雷笑,王毅.基于统计分析的混凝土箱梁温差标准值研究[J].公路交通科技,2009, 26 (11);50一54.YE Jian-ahu, LEI Xiao,WANG Yi.Study of Characteristic Value of Thermal Difference of Concrete Box Girder Based on Statistical Analysis[J].Journal of Highway and Tran54.
[10]  孙国展,关荣财,姜英民,等.钢一混凝土登合梁横截面日照温度分布研究[J].工程力学,2006,23 (11);122一127.138. SUN Guo-chen, GUAN Rong-cai, JIANG Ying-min, et al. Sunshine-induced Temperature Distribution on Cross Section of Steel-concrete Composite Beams[J].Engineering Mechanics, 2006, 23 (11):122一127, 138
[11]  丁幼亮,王晓晶,王高新,等.珠江黄埔大桥钢箱梁温度长期监测与分析[J].东南大学学报:自然科学版,2012, 42 (5):945一949.DING You-liang, WANG Xiao一ing, WANG Gao-xin, et al. Long-term Temperature Monitoring and Analysis of Steel Box Girders of Pearl River Huangpu Bridge[J].Journal of Southeast University:Natural Science Edition,2012,42 (5):945一949.
[12]  王高新,丁幼亮,李爱群,等.基于长期监测数据的润扬大桥斜拉桥钢箱梁横向温差特性研究[J].工程力学,2013,30(1):163一167,197. WANG Gao-xin, DING You-liang, LI Ai-qun, et al. Characteristics of Transverse Temperature Differencea of Steel Box Girder in Runyang Cable-stayed Bridge Using Long-term Monitoring [J].Engineering Mechanics, 2013,30(1):163一167,197.

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