Numerical model for composite structures with experimental confirmation (CROSBI ID 134250)
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Harapin, Alen ; Radnić, Jure ; Ćubela, Dragan
engleski
Numerical model for composite structures with experimental confirmation
The paper briefly presents a numerical model for the simulation of composite structures. The main structure is modeled with two-dimensional plane finite elements. The composite surface is modeled with two-dimensional interface elements for the continuous connection simulation and modified beam elements for the discrete connection simulation. The applied material models primary purpose is the simulation of reinforced concrete structures. It includes the most important nonlinear effects of reinforced concrete behavior: yielding in compression and opening and propagation of cracks in tension, with tensile and shear stiffness of cracked concrete, as well as the nonlinear behavior of reinforced steel. It also includes nonlinear behavior of the composite surface and the connection elements. The model was confirmed in experimental tests of composite concrete Omnia slabs, which are in common usage. The achieved test results were compared with the results obtained through the developed numerical model.
composite structure; numerical model; composite connection simulation; experimental confirmation
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