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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Rančić, M. |
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| Azevedo, Nuno Monteiro |
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Girhammar, Ulf Arne
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Topics
Publications (15/15 displayed)
- 2018A weak shear web model for deflection analysis of deep composite box-type beamscitations
- 2018A weak shear web model for deflection analysis of deep composite box-type beamscitations
- 2018Influence of grain inclination angle on shear buckling of laminated timber sheathing products
- 2018A Review of Structural Robustness with Focus on Timber Buildings
- 2017Exact Lévy-type solutions for bending of thick laminated orthotropic plates based on 3-D elasticity and shear deformation theoriescitations
- 2017Tests and Analyses of Slotted-In Steel-Plate Connections in Composite Timber Shear Wall Panelscitations
- 2017Stability analysis of three-layer shear deformable partial composite columnscitations
- 2017Stability analysis of three-layer shear deformable partial composite columns
- 2015Brittle failure in timber connections loaded parallel to the graincitations
- 2014Beyond endurance : Modular prefab timber façades - Sustainable PlusEnergy strategies for wooden cladding systems in multi-storey timber buildings
- 2012An exact closed-form procedure for free vibration analysis of laminated spherical shell panels based on Sanders theorycitations
- 2012Slotted-in steel-plate connections for panel wall elements : experimental and analytical study
- 2012Masonite flexible buildning system for multistorey timber buildnings
- 2012Tests on shear connections in prefabricated composite cross-laminated-timber and concrete elements
- 2008Tests and analysis on shear strength of composite slabs of hollow core units and concrete toppingcitations
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document
A weak shear web model for deflection analysis of deep composite box-type beams
Abstract
Deep box-type beams, consisting of framing members and sheathings, are sensitive to shear deformations andhence appropriate refined theories or complicated magnification factors are needed to be used to obtain accurate results. For sheathings or webs between the framing members that are weak in shear, additional shear deformations occur corresponding to the relative axial displacement between the framing members. These sandwich-type or partial interaction-type of in-plane shear behaviour between the framing members, needs to betaken into account, especially when the web shear stiffness is very low. The composite box-type beam treatedhere is composed of three framing members with sheathings on both sides. To incorporate effects of the sheathings shear deformations between the framing members on the deflection, the sheathings, here called web interlayers, are modelled as shear media with equivalent slip moduli corresponding to a partially interacting composite beam model. Governing equilibrium equations of the model are obtained using the minimum total potential energy principle and solved explicitly. The obtained results are compared with those based on different conventional beam theories and 3-D finite element (FE) simulations. It is shown that the model is capable of predicting accurately the deflection for a wide range of geometry and property parameters. It is demonstrated that the deflection of such deep box-type beams can be expressed as the summation of three different effects, namely bending deformations, conventional shear deformations in the framing members and sheathings, and additional in-plane shear deformations or shear slips of the weak web causing relative axial displacements between the framing members.