Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder

In order to accurately analyze the bending vibration frequency of the new composite box girder, the effects of web folding effect, shear lag, and shear deformation are comprehensively considered in this paper, and the elastic control differential equation and natural boundary conditions of the compo...

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Autores principales:	Xiaomeng Zang, Genhui Wang, Zichen Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Engineering (General). Civil engineering (General) TA1-2040
Acceso en línea:	https://doaj.org/article/c4c8fb38abb34caa8b1fcecc147ac7a3
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spelling	oai:doaj.org-article:c4c8fb38abb34caa8b1fcecc147ac7a32021-11-29T00:56:57ZAnalysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder1687-809410.1155/2021/3091480https://doaj.org/article/c4c8fb38abb34caa8b1fcecc147ac7a32021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/3091480https://doaj.org/toc/1687-8094In order to accurately analyze the bending vibration frequency of the new composite box girder, the effects of web folding effect, shear lag, and shear deformation are comprehensively considered in this paper, and the elastic control differential equation and natural boundary conditions of the composite box girder are established by using the Hamilton principle. A one-span composite box girder with corrugated steel webs is used as a numerical example. The effects of height span ratio, width span ratio, web thickness, cantilever plate length, and fold effect on the vertical vibration frequency of the new composite box girder are analyzed. The results show that the analytical solution is in good agreement with the finite element solution. When considering the shear lag and fold effect, the vibration frequency of composite box girder decreases. With the increase in order, the influence of shear lag and fold effect on its frequency becomes stronger. The changes of height span ratio and web thickness of composite box girder have a great influence on its folding effect, while the changes of width span ratio and cantilever plate length have little influence on it. The conclusion can provide a reference for the design of medium section new composite bridge in practical engineering.Xiaomeng ZangGenhui WangZichen ZhangHindawi LimitedarticleEngineering (General). Civil engineering (General)TA1-2040ENAdvances in Civil Engineering, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Engineering (General). Civil engineering (General) TA1-2040
spellingShingle	Engineering (General). Civil engineering (General) TA1-2040 Xiaomeng Zang Genhui Wang Zichen Zhang Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
description	In order to accurately analyze the bending vibration frequency of the new composite box girder, the effects of web folding effect, shear lag, and shear deformation are comprehensively considered in this paper, and the elastic control differential equation and natural boundary conditions of the composite box girder are established by using the Hamilton principle. A one-span composite box girder with corrugated steel webs is used as a numerical example. The effects of height span ratio, width span ratio, web thickness, cantilever plate length, and fold effect on the vertical vibration frequency of the new composite box girder are analyzed. The results show that the analytical solution is in good agreement with the finite element solution. When considering the shear lag and fold effect, the vibration frequency of composite box girder decreases. With the increase in order, the influence of shear lag and fold effect on its frequency becomes stronger. The changes of height span ratio and web thickness of composite box girder have a great influence on its folding effect, while the changes of width span ratio and cantilever plate length have little influence on it. The conclusion can provide a reference for the design of medium section new composite bridge in practical engineering.
format	article
author	Xiaomeng Zang Genhui Wang Zichen Zhang
author_facet	Xiaomeng Zang Genhui Wang Zichen Zhang
author_sort	Xiaomeng Zang
title	Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
title_short	Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
title_full	Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
title_fullStr	Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
title_full_unstemmed	Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder
title_sort	analysis and study on bending vibration frequency of new corrugated steel web composite box girder
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/c4c8fb38abb34caa8b1fcecc147ac7a3
work_keys_str_mv	AT xiaomengzang analysisandstudyonbendingvibrationfrequencyofnewcorrugatedsteelwebcompositeboxgirder AT genhuiwang analysisandstudyonbendingvibrationfrequencyofnewcorrugatedsteelwebcompositeboxgirder AT zichenzhang analysisandstudyonbendingvibrationfrequencyofnewcorrugatedsteelwebcompositeboxgirder
_version_	1718407672010637312

Analysis and Study on Bending Vibration Frequency of New Corrugated Steel Web Composite Box Girder

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