Influence of intensity & eccentricity of posttensioning force and concrete strength on shear behavior of epoxied joints in segmental box girder bridges
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DOI: 10.1016/j.conbuildmat.2018.11.220
Abstract: Abstract Precast concrete segmental bridges have the advantages of rapid construction speed, excellent quality control and low cost. The structural behavior of segmental bridges largely depends on the behavior of the joints between segments. In… read more here.
Keywords: epoxied joints; strength; box girder; shear behavior ... See more keywords
Comparison between methods to determine the fibre orientation factor of an HPFRC bridge box girder
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DOI: 10.1016/j.conbuildmat.2020.121291
Abstract: Abstract Due to high volume fraction of steel fibres allied to improved rheology and packing density of cementitious matrices, materials like HPFRC and UHPFRC have been providing the possibility of partial or total replacement of… read more here.
Keywords: fibre orientation; orientation; box girder; factor ... See more keywords
Transverse analysis of full-scale precast segmental box girder segments with corrugated steel webs: Experimental tests and FE modelling
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.02.072
Abstract: Abstract The world’s first full-scale model test of the precast segmental box girder with corrugated steel webs (CSWs) is carried out in this study to examine the applicability of using the precast segmental construction technology… read more here.
Keywords: precast segmental; box girder; segmental box;
Stresses, deformations and damages of various joints in precast concrete segmental box girder bridges subjected to direct shear loading
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DOI: 10.1016/j.engstruct.2019.110151
Abstract: Abstract Precast segmental concrete bridges involve multiple concrete segments joined together by posttensioning, and have the advantages of rapid construction, low-cost, and excellent quality control. Joints that represent locations of discontinuity are prominent factors affecting… read more here.
Keywords: shear loading; box girder; joints precast; subjected direct ... See more keywords
Temperature analysis of steel box girder considering actual wind field
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DOI: 10.1016/j.engstruct.2021.113020
Abstract: Abstract Most existing studies on bridge thermal analysis have ignored the influence of wind on the resultant temperature distribution, in which a constant value of wind speed is applied to all structural surfaces. In fact,… read more here.
Keywords: box girder; steel box; methodology; analysis ... See more keywords
Parametric study on skew-curved RC box-girder bridges
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DOI: 10.1016/j.istruc.2020.08.025
Abstract: Abstract This paper deals with the study of a single-cell reinforced concrete (RC) skew-curved box-girder bridge under both dead and IRC live loads using the finite element method. An existing model is considered to validate… read more here.
Keywords: bridge; study; skew curved; box girder ... See more keywords
Study of flexural vibration of variable cross-section box-girder bridges with corrugated steel webs
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DOI: 10.1016/j.istruc.2021.05.004
Abstract: Abstract In this study, the flexural vibration behavior of the variable cross-section box-girder bridge with corrugated steel webs is investigated using the energy variational method in conjunction with the extended spline finite point method. Detailed… read more here.
Keywords: flexural vibration; box girder; girder; cross section ... See more keywords
Temperature gradients and stress distributions in concrete box-girder bridges during hot-mix asphalt paving
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DOI: 10.1016/j.istruc.2021.05.078
Abstract: Abstract Thermal actions have frequently been related to the cracking of concrete bridges. During the paving of hot-mix asphalt (HMA) on the bridge deck, a high temperature gradient will generate through the depth of the… read more here.
Keywords: concrete box; mix asphalt; deck; temperature ... See more keywords
Curing parameters’ influences of early-age temperature field in concrete continuous rigid frame bridge
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DOI: 10.1016/j.jclepro.2021.127571
Abstract: Abstract The unstable change of early temperature field during concrete curing of box girder could lead to the thermal deformation and autogenous shrinkage deformation of concrete, make the concrete crack early, and even affect the… read more here.
Keywords: field; temperature field; temperature; box girder ... See more keywords
Investigation of free vibration and ultimate behavior of composite twin-box girder bridges
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DOI: 10.1016/j.jcsr.2016.12.017
Abstract: Abstract Multi spine composite concrete-deck steel-box girder bridges became a very popular choice in highway bridges due to their high torsional and wraping stiffness as well as for economic and aesthetic reasons. This study presents… read more here.
Keywords: ultimate behavior; box girder; girder bridges; box ... See more keywords
Compressive strength equations for box-girder flanges stiffened with U-ribs in cable-supported bridges
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2021.106702
Abstract: Abstract When primary bending moments and axial forces are applied to a wide steel box girder in a long-span cable-supported bridge, top or bottom flanges are subjected to longitudinal in-plane compressional forces. In order to… read more here.
Keywords: compressive strength; girder flanges; cable supported; strength ... See more keywords