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A platform for research: civil engineering, architecture and urbanism
Non linear behaviour of steel–concrete epoxy bonded composite beams
Abstract The bonding connection in steel–concrete composite beams is investigated in the case of static loading and normal strength concrete. Two 3-point bending tests performed on 4 meter span beams confirm that bonding could be very efficient allowing a large plastic strain without any shear failure if the bonding joint is properly designed. The measurements are close to the numerical results provided by non-linear beam models or non-linear FE model. However all the studied beam models do not allow a very accurate prediction of the behaviour close to the interface at failure in the case of shear failure. A realistic shear failure criterion suitable for bonded composite beams may improve numerical results.
Research highlights ► Connection in steel–concrete beams–No shear failure if the bonding joint is properly designed. ► Modelling by FEM or non-linear beam approach (cross-sections divided into thin layers). ► Shear failure in the central zone of the beam–Realistic steel–concrete shear failure criterion required.
Non linear behaviour of steel–concrete epoxy bonded composite beams
Abstract The bonding connection in steel–concrete composite beams is investigated in the case of static loading and normal strength concrete. Two 3-point bending tests performed on 4 meter span beams confirm that bonding could be very efficient allowing a large plastic strain without any shear failure if the bonding joint is properly designed. The measurements are close to the numerical results provided by non-linear beam models or non-linear FE model. However all the studied beam models do not allow a very accurate prediction of the behaviour close to the interface at failure in the case of shear failure. A realistic shear failure criterion suitable for bonded composite beams may improve numerical results.
Research highlights ► Connection in steel–concrete beams–No shear failure if the bonding joint is properly designed. ► Modelling by FEM or non-linear beam approach (cross-sections divided into thin layers). ► Shear failure in the central zone of the beam–Realistic steel–concrete shear failure criterion required.
Non linear behaviour of steel–concrete epoxy bonded composite beams
Jurkiewiez, B. (author) / Meaud, C. (author) / Michel, L. (author)
Journal of Constructional Steel Research ; 67 ; 389-397
2010-10-04
9 pages
Article (Journal)
Electronic Resource
English
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