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Prof. Mohamed Said Mohamed Abd-Elghaffar :: Publications:

Title:
NONLINEAR FINITE ELEMENT ANALYSIS FOR REINFORCED CONCRETE SLABS UNDER PUNCHING LOADS
Authors: Ahme d Abdel-Fttah, Mohamed Said, Ahme d Salah
Year: 2016
Keywords: Centric Loading; Slab Thickness; Punching Shear; Slabs; Finite Element.
Journal: International Journal of Civil Engineering and Technology
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: International
Paper Link:
Full paper Mohamed Said Mohamed Abd-Elghaffar_Ahmed Mohamed Salah-Eldin Ahmed_IJCIET_07_03_040.pdf
Supplementary materials Not Available
Abstract:

This paper presents an implementation of a three-dimensional nonlinear finite element model for evaluating the behavior of reinforced concrete slabs under centric load. The concrete was idealized by using eight-nodded solid elements. While flexural reinforcement and the shear were modeled as line elements, a perfected bond between solid elements and line elements was assumed. The nonlinear behavior of concrete in compression is simulated by an elasto-plastic work-hardening model, and in tension a suitable postcracking model based on tension stiffening and shear retention models are employed. The steel was simulated using an elastic-full plastic model. The validity of the theoretical formulations and the program used was verified through comparison with available experimental data, and the agreement has proven to be good. A parametric study has been also carried out to investigate the influence of the slab thickness on column-slab connection response

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