Stress distribution and shear lag effect of composite steel plate girder bridges based on spatial fine mesh elements
ISSN: 0264-4401
Article publication date: 16 December 2024
Issue publication date: 4 March 2025
Abstract
Purpose
(1) The shear lag effect and its additional deflection contribution to composite beams based on spatial grid elements were presented. (2) A refined spatial grid element analysis method that can simultaneously obtain the internal forces, displacements and stresses of various parts of a composite beam.
Design/methodology/approach
A refined spatial grid element analysis method.
Findings
The proposed method can directly obtain the internal forces and displacements of the joints of the composite beam roof, floor and web.
Originality/value
To comprehensively comprehend the mechanical behavior of double-girder steel plate composite girder bridge structures and facilitate refined analysis, this paper introduces a refined spatial grid element analysis model applicable to both the global and local domains.
Keywords
Acknowledgements
The authors gratefully acknowledge the financial support provided the National Natural Science Foundation of China (Grant No. 54278221), the Science and Technology Project of Zhejiang Provincial Department of Transportation (Grant Nos 2018010, 2019H17 and 2019H14) and a Project supported by Scientific Research Fund of Zhejiang Provincial Education Department (Grant No. Y202250418), the Science and Technology Agency of Zhejiang Province (Grant No. LTGG23E080006), Jiaxing Science and Technology Bureau of China under Grant (2023AY11020), National Natural Science Foundation of China (52208217), the Science Foundation of China Postdoctor (Grant No. 2016M600352) and Zhejiang Key Laboratory of Civil Engineering Structures & Disaster Prevention and Mitigation Technology : This project was supported by Engineering Research Center of Ministry of Education for Renewable Energy Infrastructure Construction Technology.
Citation
Lu, P., Ding, Y., Wu, Y., He, C., Yang, L. and Li, Y. (2025), "Stress distribution and shear lag effect of composite steel plate girder bridges based on spatial fine mesh elements", Engineering Computations, Vol. 42 No. 2, pp. 574-594. https://doi.org/10.1108/EC-12-2023-0947
Publisher
:Emerald Publishing Limited
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