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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 32
Edited by: B.H.V. Topping
Paper VII.8

Elasto-Plastic Analysis of Reinforced Concrete Slabs

A. Benshalem* and P. Bhatt#

*Department of Civil and Transportation Engineering, Napier University, Edinburgh, UK
#Department of Civil Engineering, Glasgow University, Glasgow, UK

Full Bibliographic Reference for this paper
A. Benshalem, P. Bhatt, "Elasto-Plastic Analysis of Reinforced Concrete Slabs", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Civil Engineering", Civil-Comp Press, Edinburgh, UK, pp 215-219, 1995. doi:10.4203/ccp.32.7.8
The main objective of the paper is to develop a simple method of predicting the ultimate load for any reinforced concrete structure in a state of flexure. The method of predicting the ultimate load for any material viz. reinforced concrete is considered as an elasto-plastic material obeying the Wood-Armer yield criteria. The analysis is carried out using a non-linear elasto-plastic finite element program. The numerical results were compared to four reinforced concrete slabs. The results were also compared with the predictions of another non-linear finite element program which modelled the slab as consisting of a series of concrete and steel layers in a state of plane stress. The method was found to give acceptable results and the computation time was more economic than that of the layer program. The slab ultimate loads were predicted and were found, on average, to be 0.96 of those obtained experimentally.

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