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A sinus shear deformation model for static analysis of composite steel-concrete beams and twin-girder decks including shear lag and interfacial slip effects M. Lezgy-Nazargah e7f72033be85586404dca663335477b1 hsu.ac.ir 1143989 1059065-1143989 https://orcid.org/0000-0002-7610-1241 Philippe Vidal 0ba908b2c522dcea674b79fdad98d653 parisnanterre.fr pvidal 177735 13770-177735 https://orcid.org/0000-0002-9634-4443 https://viaf.org/viaf/34673860 https://www.idref.fr/149475543 Olivier Polit b17fc78bfaf3664a61606c1af566962d parisnanterre.fr olivier-polit 1332944 556974-1332944 https://orcid.org/0000-0002-4280-4723 Administrateur HAL Nanterre 8054c17886d7cba402ddd2323eda790f scd.parisnanterre.fr 2022-06-21 16:05:00 2025-10-29 08:56:02 2022-06-21 16:46:57 2019 2022-06-21 contributor Administrateur HAL Nanterre 8054c17886d7cba402ddd2323eda790f scd.parisnanterre.fr CCSD hal-03701066 https://hal.parisnanterre.fr/hal-03701066 lezgynazargah:hal-03701066 <i>Thin-Walled Structures</i>, 2019, 19 (134), pp.61-70. <a target="_blank" href="https://dx.doi.org/10.1016/j.tws.2018.10.001">⟨10.1016/j.tws.2018.10.001⟩</a> Thin-Walled Structures, 2019, 19 (134), pp.61-70. ⟨10.1016/j.tws.2018.10.001⟩ HAL Authorization Université Paris Nanterre Laboratoire Energétique Mécanique Electromagnétisme Université Paris Nanterre International No Yes A sinus shear deformation model for static analysis of composite steel-concrete beams and twin-girder decks including shear lag and interfacial slip effects M. Lezgy-Nazargah e7f72033be85586404dca663335477b1 hsu.ac.ir 1143989 1059065-1143989 https://orcid.org/0000-0002-7610-1241 Philippe Vidal 0ba908b2c522dcea674b79fdad98d653 parisnanterre.fr pvidal 177735 13770-177735 https://orcid.org/0000-0002-9634-4443 https://viaf.org/viaf/34673860 https://www.idref.fr/149475543 Olivier Polit b17fc78bfaf3664a61606c1af566962d parisnanterre.fr olivier-polit 1332944 556974-1332944 https://orcid.org/0000-0002-4280-4723 19623 0263-8231 Thin-Walled Structures Elsevier 19 134 61-70 2019 10.1016/j.tws.2018.10.001 https://www.sciencedirect.com/science/article/pii/S0263823118300569 English Twin-girder decks Steel-concrete beams Sinus model Shear lag Interfacial slip Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph] Journal articles Journal articles Journal articles

A beam model is developed for the static analysis of composite steel-concrete beams and twin-girder decks which takes into account the effects of shear lag phenomenon as well as the interfacial slip between the concrete slab and steel joists. A sinus distribution is considered for the axial displacements of the concrete slab and steel joists. This kinematic represents the transverse shear strain in the concrete slab and steel joists using a cosine function. The considered kinematic satisfies the boundary conditions of transverse shear stress on the top and bottom surfaces and does not need any shear correction factor. The shear lag effects are introduced by prescribing the warping shape of the slab cross-section and taking its intensity as axial unknowns. A conforming three-nodded 25-dof beam element is derived for numerical simulations. The presented model has been validated by comparing the obtained results with elasticity solutions, 3D finite element results and other analytical and numerical models available in the open literature.Keywords: Interfacial slip; Shear lag; Sinus model; Steel-concrete beams; Twin-girder decks

261194143 K. N. Toosi University of Technology KNTU 1928-01-01

470 Mirdamad Ave. de l’ouest, 19697, Téhéran

https://en.kntu.ac.ir/fr/ 196809215 https://ror.org/00ae7xs76 Laboratoire Energétique Mécanique Electromagnétisme LEME

LEME EA4416Université Paris Nanterre50 rue de Sèvres92410 Ville-d'Avray

http://leme.parisnanterre.fr/ 026403587 https://ror.org/013bkhk48 Université Paris Nanterre UPN 1970-01-01

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http://www.parisnanterre.fr