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Analytical Solutions for Improved Box Girder Bridges with CSWs Considering the Interface Slip
https://orcid.org/http://orcid.org/0000-0002-2875-3675
The influence of interface sliding is analyzed for the improved composite box girder bridge with corrugated steel webs. The governing differential equation for the slip function is established by using the energy variational method. The analytical expressions of the normal stress, shear lag coefficient and deflection of the simply supported box girder are derived. A finite element model is established to verify the reliability of the theoretical solution. The results show that the theoretical formula is in good agreement with the finite element results. Theoretical parametric studies are carried out to study the influence of various factors on the shear lag coefficient, the maximum normal stress and deflection of this kind of structure. The results indicate that the width-to-span ratio and width-to-depth ratio have a larger influence on the maximum normal stress; the contribution of shear deformation on the total deflection is significant.
Analytical Solutions for Improved Box Girder Bridges with CSWs Considering the Interface Slip
https://orcid.org/http://orcid.org/0000-0002-2875-3675
The influence of interface sliding is analyzed for the improved composite box girder bridge with corrugated steel webs. The governing differential equation for the slip function is established by using the energy variational method. The analytical expressions of the normal stress, shear lag coefficient and deflection of the simply supported box girder are derived. A finite element model is established to verify the reliability of the theoretical solution. The results show that the theoretical formula is in good agreement with the finite element results. Theoretical parametric studies are carried out to study the influence of various factors on the shear lag coefficient, the maximum normal stress and deflection of this kind of structure. The results indicate that the width-to-span ratio and width-to-depth ratio have a larger influence on the maximum normal stress; the contribution of shear deformation on the total deflection is significant.
Analytical Solutions for Improved Box Girder Bridges with CSWs Considering the Interface Slip
https://orcid.org/http://orcid.org/0000-0002-2875-3675
The influence of interface sliding is analyzed for the improved composite box girder bridge with corrugated steel webs. The governing differential equation for the slip function is established by using the energy variational method. The analytical expressions of the normal stress, shear lag coefficient and deflection of the simply supported box girder are derived. A finite element model is established to verify the reliability of the theoretical solution. The results show that the theoretical formula is in good agreement with the finite element results. Theoretical parametric studies are carried out to study the influence of various factors on the shear lag coefficient, the maximum normal stress and deflection of this kind of structure. The results indicate that the width-to-span ratio and width-to-depth ratio have a larger influence on the maximum normal stress; the contribution of shear deformation on the total deflection is significant.
Analytical Solutions for Improved Box Girder Bridges with CSWs Considering the Interface Slip
Int J Steel Struct
Xu, Jing (author) / Zheng, Zhi-ren (author) / Kong, Hua-hui (author) / He, Gui-feng (author)
International Journal of Steel Structures ; 25 ; 80-94
2025-02-01
15 pages
Article (Journal)
Electronic Resource
English
Analytical Solutions for Improved Box Girder Bridges with CSWs Considering the Interface Slip
| Springer Verlag | 2025
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