Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear

Taking the simply supported box girder bridge of high-speed railway as an example, the effect of cross-sectional decentralized centre of mass and shear on the spatial beam element stiffness matrix was theoretically derived. Based on the vehicle-bridge coupling vibration analysis method of the railwa...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Chen Daihai, Zhou Shuai, Xu Shizhan, Li Zheng, Fang Yilin
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/6ecd5dcfa3554c23af4f3742f47d5875
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:6ecd5dcfa3554c23af4f3742f47d5875
record_format	dspace
spelling	oai:doaj.org-article:6ecd5dcfa3554c23af4f3742f47d58752021-11-22T01:10:09ZVehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear1875-920310.1155/2021/1932047https://doaj.org/article/6ecd5dcfa3554c23af4f3742f47d58752021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/1932047https://doaj.org/toc/1875-9203Taking the simply supported box girder bridge of high-speed railway as an example, the effect of cross-sectional decentralized centre of mass and shear on the spatial beam element stiffness matrix was theoretically derived. Based on the vehicle-bridge coupling vibration analysis method of the railway bridge, an analysis program of vehicle-bridge coupling vibration for the high-speed railway was compiled, and its reliability was verified through an example analysis. On this basis, considering the cross-sectional decentralized centre of mass and shear, the influence factors of vehicle-bridge coupling vibration response were studied, which included the offset distance of the beam section’s mass and shear centre, offset distance of track centreline, vehicle weight, and vehicle speed. The results show that the additional items of the spatial beam element stiffness matrix are generated by the torsion effect when the cross-sectional decentralized centre of mass and shear is considered, and it will affect the lateral and vertical stiffness of the element. The cross-sectional decentralized centre of mass and shear has a significant effect on the lateral dynamic response of the bridge’s mid-span, but the influence on the vertical response of the bridge and the dynamic response of the car body is small. The main influence factors of the lateral dynamic response of the bridge are the vertical offset distance of the beam section’s centre of mass and shear, the lateral offset distance of the track centreline, and the vehicle weight.Chen DaihaiZhou ShuaiXu ShizhanLi ZhengFang YilinHindawi LimitedarticlePhysicsQC1-999ENShock and Vibration, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Chen Daihai Zhou Shuai Xu Shizhan Li Zheng Fang Yilin Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
description	Taking the simply supported box girder bridge of high-speed railway as an example, the effect of cross-sectional decentralized centre of mass and shear on the spatial beam element stiffness matrix was theoretically derived. Based on the vehicle-bridge coupling vibration analysis method of the railway bridge, an analysis program of vehicle-bridge coupling vibration for the high-speed railway was compiled, and its reliability was verified through an example analysis. On this basis, considering the cross-sectional decentralized centre of mass and shear, the influence factors of vehicle-bridge coupling vibration response were studied, which included the offset distance of the beam section’s mass and shear centre, offset distance of track centreline, vehicle weight, and vehicle speed. The results show that the additional items of the spatial beam element stiffness matrix are generated by the torsion effect when the cross-sectional decentralized centre of mass and shear is considered, and it will affect the lateral and vertical stiffness of the element. The cross-sectional decentralized centre of mass and shear has a significant effect on the lateral dynamic response of the bridge’s mid-span, but the influence on the vertical response of the bridge and the dynamic response of the car body is small. The main influence factors of the lateral dynamic response of the bridge are the vertical offset distance of the beam section’s centre of mass and shear, the lateral offset distance of the track centreline, and the vehicle weight.
format	article
author	Chen Daihai Zhou Shuai Xu Shizhan Li Zheng Fang Yilin
author_facet	Chen Daihai Zhou Shuai Xu Shizhan Li Zheng Fang Yilin
author_sort	Chen Daihai
title	Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
title_short	Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
title_full	Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
title_fullStr	Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
title_full_unstemmed	Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear
title_sort	vehicle-bridge coupling vibration analysis for simply supported girders of high-speed railway bridges based on the cross-sectional decentralized centre of mass and shear
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/6ecd5dcfa3554c23af4f3742f47d5875
work_keys_str_mv	AT chendaihai vehiclebridgecouplingvibrationanalysisforsimplysupportedgirdersofhighspeedrailwaybridgesbasedonthecrosssectionaldecentralizedcentreofmassandshear AT zhoushuai vehiclebridgecouplingvibrationanalysisforsimplysupportedgirdersofhighspeedrailwaybridgesbasedonthecrosssectionaldecentralizedcentreofmassandshear AT xushizhan vehiclebridgecouplingvibrationanalysisforsimplysupportedgirdersofhighspeedrailwaybridgesbasedonthecrosssectionaldecentralizedcentreofmassandshear AT lizheng vehiclebridgecouplingvibrationanalysisforsimplysupportedgirdersofhighspeedrailwaybridgesbasedonthecrosssectionaldecentralizedcentreofmassandshear AT fangyilin vehiclebridgecouplingvibrationanalysisforsimplysupportedgirdersofhighspeedrailwaybridgesbasedonthecrosssectionaldecentralizedcentreofmassandshear
_version_	1718418344247296000

Vehicle-Bridge Coupling Vibration Analysis for Simply Supported Girders of High-Speed Railway Bridges Based on the Cross-Sectional Decentralized Centre of Mass and Shear

Ejemplares similares