钢-砼叠合边主梁斜拉桥稳定板气动措施研究

王嘉兴1,牛华伟1,靳俊中2,张志田1,陈政清1

振动与冲击 ›› 2017, Vol. 36 ›› Issue (8) : 48-54.

PDF(1073 KB)
PDF(1073 KB)
振动与冲击 ›› 2017, Vol. 36 ›› Issue (8) : 48-54.
论文

钢-砼叠合边主梁斜拉桥稳定板气动措施研究

  • 王嘉兴1,牛华伟1,靳俊中2,张志田1,陈政清1
作者信息 +

Study on stabilizer aerodynamic measure of a cable-stayed bridge with a steel-concrete composite edge girder

  • WANG Jiaxing1, NIU Huawei1, JIN Junzhong2, ZHANG Zhitian1, CHEN Zhengqing1
Author information +
文章历史 +

摘要

钢-砼叠合边主梁断面广泛应用于大跨径斜拉桥中,但该断面形式容易产生大幅涡激共振,颤振风速也较低,应用于沿海地区桥梁常常需要附加抑振气动措施。基于两座实际的斜拉桥工程方案,通过节段模型风洞试验,对稳定板气动措施的抑振效果进行了研究。结果表明:通过合理布置稳定板这类气动措施可以有效抑制边主梁断面涡激共振的发生,并且可以改善颤振性能,提高颤振临界风速。

Abstract

A steel-concrete composite edge girder is widely used in a long-span cable-stayed bridge,but it frequently leads to remarkable vortex-induced vibration and low flutter critical wind speed.Therefore,aerodynamic measures are always needed to improve the aerodynamic performance when this type of bridge is built in coastal region.Based on two cable-stayed bridges with steel-concrete composite edge girder,the controlling effect of stabilizer on the steel-concrete composite girder was investigated with a series of sectional model wind tunnel tests.The results indicate that the stabilizer can effectively eliminate vortex-induced vibration and increase the flutter critical wind speed of the edge girder section.

关键词

斜拉桥 / 边主梁 / 气动措施 / 稳定板 / 风洞试验

Key words

cable-stayed bridge / edge girder / aerodynamic measure / stabilizer / wind tunnel test

引用本文

导出引用
王嘉兴1,牛华伟1,靳俊中2,张志田1,陈政清1. 钢-砼叠合边主梁斜拉桥稳定板气动措施研究[J]. 振动与冲击, 2017, 36(8): 48-54
WANG Jiaxing1, NIU Huawei1, JIN Junzhong2, ZHANG Zhitian1, CHEN Zhengqing1. Study on stabilizer aerodynamic measure of a cable-stayed bridge with a steel-concrete composite edge girder[J]. Journal of Vibration and Shock, 2017, 36(8): 48-54

参考文献

[1] Daito Y, Matsumoto M, Araki K. Torsional flutter mechanism of two-edge girders for long-span cable-stayed bridge[J]. Journal of Wind Engineering and Industrial Aerodynamics. 2002, 90(12): 2127-2141.
[2] 宋锦忠,哈鸿,毛鸿银. 开口主梁断面的气动选型[C].第五届全国风工程及工业空气动力学学术会议论文集. 1998: 240 -245.
[3] 宋锦忠,林志心,徐建英.桥梁抗风措施的研究及应用.同济大学学报, 2002,30(5):618-621
(SONG Jin-zhong, LIN Zhi-xing ,XU Jian-ying. Research and Appliance of Aerodynamic Measures about Wind-resistance of Bridges[J].Journal of Tongji University, 2002, 30(5): 618-621.in Chinese))
[4] 杨詠昕,周锐,葛耀君. 大跨度桥梁实用颤振控制方法[J]. 同济大学学报: 自然科学版. 2014, 42(7): 989-997.
(YANG Yong-xin, ZHOU Rui,GE YAO-jun.Practical Flutter Control Method for Long-span Bridges[J].Journal of Tongji University: Natural Science, 2014, 42(7): 989-997.in Chinese)
[5] 陈政清.桥梁风工程[M].北京:人民交通出版社,2005:129-130
(CHEN Zheng-qing. Bridge wind engineering[M]. Beijing; China Communications Press,2005;129-130.in Chinese)
[6] 胡长灿,詹昊.大跨度桥梁抗风设计常用气动措施分析[J].桥梁建设. 2015,45(2):77-82.
(HU Chang-can,ZHAN Hao .Analysis of Common Aerodynamic Measures for Wind Resistant Design of Long Span Bridges [J].Bridge Construction , 2015,45(2):77-82,in Chinese)
[7] 刘建新.桥梁对风反应中的涡激振动及制振[J].中国公路学报,1995,8(2):74-79.2015,45(2):77-82
[8] Sarwar M.W,Ishihara T. Numerical study on suppression of vortex-induced vibrations of box girder bridge section by aerodynamic countermeasures[J].Journal of Wind Engineering and Industrial Aerodynamics,2010,98(12):701-711.
[9]  董锐,杨詠昕,葛耀君.斜拉桥Π型开口断面主梁气动选型风洞试验[J]. 哈尔滨工业大学学报,2012,44(10):109-114
(DONG Rui,YANG Yong-xin,GE Yao-jun.Wind tunnel test for aerodynamic selection of Π shaped deck of cable-stayed bridge[J]. Journal of Harbin Institute of Technology, 2012,44(10):109-114.in Chinese)
[10] 徐泉,王武刚,廖海黎,等. 基于大尺度节段模型的悬索桥涡激振动控制气动措施研究[J]. 四川建筑,2007,27(3):110-112
[11] JTG/T D60-01-2004.公路桥梁抗风设计规范[S]. 北京:人民交通出版社,2004.
(JTC/T D60-01-2004. Wind-resistant design specification for highway bridge[S].Beijing; China Communications Press, 2004.in Chinese)
[12] 张志田,陈政清. 桥梁节段与实桥涡激共振幅值的换算关系 [J].土木工程学报,2011,44(7):77-82.
(ZHANG Zhi-tian, CHEN Zheng-qing. Similarity of amplitude of sectional model to that of full bridge in the case of vortex-induced resonance[J].China Civil Engineering Journal,2011,44(7):77-82.in Chinese)
[13] BD 49/01,Design Rules for Aerodynamic Effects on Bridges [S].
[14] 陈政清,黄智文.大跨度桥梁竖弯涡振限值的主要影响因素分析 [J].中国公路学报,2015,28(9):30-36.
(CHEN Zheng-qing, HUANG Zhi-wen. Analysis of Main  Factors Influencing Allowable Magnitude of Vertical Vortex-induced Vibration of Long-span Bridges[J].China Journal of Highway and Transport,2015,28(9):30-36.in Chinese)

PDF(1073 KB)

Accesses

Citation

Detail

段落导航
相关文章

/