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...

气动力参数对风-车-桥系统耦合动力响应的影响

Keywords: 桥梁工程,风-车-桥系统,耦合动力分析,气动参数,气动干扰

Full-Text   Cite this paper   Add to My Lib

Abstract:

?结合拉格朗日法和虚功原理并引入模态叠加法建立了风-车-桥耦合振动分析模型,拟合了一套考虑桥梁影响的车辆气动力系数计算公式,完善了风-车-桥耦合振动分析方法,并编制了相应的计算程序。以江顺长江大桥为工程背景,分析研究了车桥系统气动力参数对侧风作用下桥梁和车辆耦合动力响应的影响。研究结果表明:桥梁气动力参数对桥梁耦合动力响应有较大的影响,对车辆耦合动力响应也有一定的影响;车辆气动力参数对车辆耦合动力响应有较大影响,而对桥梁耦合动力响应基本没有影响。

References

[1]  夏 禾,徐幼麟,阎全胜.大跨度悬索桥在风与车辆荷载同时作用下的动力响应分析[J].铁道学报,2002,24(4):83-91. XIA He,XU You-lin,YAN Quan-sheng.Dynamic Response of Long Span Suspension Bridge to High Wind and Running Train[J].Journal of the China Railway Society,2002,24(4):83-91.
[2]  XU Y L,GUO W H.Dynamic Analysis of Coupled Road Vehicle and Cable-stayed Bridge System Under Turbulent Wind[J].Engineering Structures,2003,25(4):473-486.
[3]  CAI C S,CHEN S R.Framework of Vehicle-bridge-wind Dynamic Analysis[J].Journal of Wind Engineering and Industrial Aerodynamics,2004,92(7/8):579-607.
[4]  LI Y L,QIANG S Z,LIAO H L,et al.Dynamics of Wind-rail Vehicle-bridge Systems[J].Journal of Wind Engineering and Industrial Aerodynamics,2005,93(6):483-507.
[5]  WANG Tao,HAN Wan-shui,YANG Fei,et al.Wind-vehicle-bridge Coupled Vibration Analysis Based on Random Traffic Flow Simulation[J].Journal of Traffic and Transportation Engineering:English Edition,2014,1(4):293-308.
[6]  葛玉梅,李永乐,何向东.作用在车-桥系统上风荷载的风洞试验研究[J].西南交通大学学报,2001,36(6):612-616. GE Yu-mei,LI Yong-le,HE Xiang-dong.Study on Wind-induced Loads of Train-bridge System by Wind Tunnel Test[J].Journal of Southwest Jiaotong University,2001,36(6):612-616.
[7]  SUZUKI M,TANEMOTO K,MAEDA T.Aerodynamic Characteristics of Train/Vehicles Under Cross Winds[J].Journal of Wind Engineering and Industrial Aerodynamics,2003,91(1/2):209-218.
[8]  李永乐,廖海黎,强士中.车桥系统气动特性的节段模型风洞试验研究[J].铁道学报,2004,26(3):71-75. LI Yong-le,LIAO Hai-li,QIANG Shi-zhong.Study on Aerodynamic Characteristics of the Vehicle-bridge System by the Section Model Wind Tunnel Test[J].Journal of the China Railway Society,2004,26(3):71-75.
[9]  李永乐,胡 朋,张明金,等.侧向风作用下车-桥系统的气动特性——基于风洞试验的参数研究[J].西南交通大学学报,2012,47(2):210-217. LI Yong-le,HU Peng,ZHANG Ming-jin,et al.Aerodynamic Characteristics of Vehicle-bridge System Under Cross Wind:Parameter Studies Based on Wind Tunnel Test[J].Journal of Southwest Jiaotong University,2012,47(2):210-217.
[10]  李永乐,周 昱,葛世平,等.主梁断面形状对车-桥系统气动特性影响的风洞试验研究[J].土木工程学报,2012,45(7):135-141.LI Yong-le,ZHOU Yu,GE Shi-ping,et al.Wind Tunnel Test Study of the Effect of Bridge Deck Cross Section Shape on Aerodynamic Characteristics of Vehicle-bridge System[J].China Civil Engineering Journal,2012,45(7):135-141.
[11]  韩 艳,胡揭玄,蔡春声,等.横风作用下考虑车辆运动的车桥系统气动特性的数值模拟研究[J].工程力学,2013,30(2):318-325.HAN Yan,HU Jie-xuan,CAI Chun-sheng,et al.Numerical Simulation on Aerodynamic Characteristics of Vehicles and Bridges Under Cross Winds with the Consideration of Vehicle Moving[J].Engineering Mechanics,2013,30(2):318-325.
[12]  韩 艳,胡揭玄,蔡春声.横风作用下公路车辆与桥梁静气动力的数值模拟研究[J].铁道科学与工程学报,2012,9(1):12-17.HAN Yan,HU Jie-xuan,CAI Chun-sheng.Numerical Simulation on Static Aerodynamic Forces of Vehicles and Bridges Under Cross Winds[J].Journal of Railway Science and Engineering,2012,9(1):12-17.
[13]  HAN Y,HU J X,CAI C S,et al.Experimental and Numerical Study of Aerodynamic Forces on Vehicles and Bridges[J].Wind and Structures,2013,17(2):163-184.
[14]  HAN Y,LIU S Q,CAI C S,et al.Experimental Study on Aerodynamic Derivatives of a Bridge Cross-section Under Different Traffic Flows[J].Journal of Wind Engineering and Industrial Aerodynamics,2014,133:250-262.
[15]  DORIGATTI F,STERLING M,ROCCHI D,et al.Wind Tunnel Measurements of Crosswind Loads on High Sided Vehicles over Long Span Bridges[J].Journal of Wind Engineering and Industrial Aerodynamics,2012,107-108:214-224.
[16]  BAKER C J.The Quantification of Accident Risk for Road Vehicles in Cross Winds[J].Journal of Wind Engineering and Industrial Aerodynamics,1999,52:93-107.
[17]  BAKER C J.Ground Vehicles in High Cross Winds Part I:Steady Aerodynamic Forces[J].Journal of Fluids and Structure,1991,5(1):69-90.
[18]  BAKER C J.Ground Vehicles in High Cross Winds Part Ⅱ:Unsteady Aerodynamic forces[J].Journal of Fluids and Structure,1991,5(1):91-111.
[19]  韩 艳.桥梁结构复气动导纳函数与抖振精细化研究[D].长沙:湖南大学,2007.HAN Yan.Study on Complex Aerodynamic Admittance Functions and Refined Analysis of Buffeting Response of Bridges[D].Changsha:Hunan University,2007.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133