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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 108
PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING
Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping
Paper 39

An Exact Finite Element for the Analysis of Three-Layered Steel-Concrete Composite Beams with Interlayer Slip

J.B.M. Sousa Jr.

Department of Structural Engineering, Ceará Federal University, Fortaleza, Brazil

Full Bibliographic Reference for this paper
J.B.M. Sousa Jr., "An Exact Finite Element for the Analysis of Three-Layered Steel-Concrete Composite Beams with Interlayer Slip", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 39, 2015. doi:10.4203/ccp.108.39
Keywords: steel-concrete composite beams, partial interaction, interlayer slip, partial shear connection, direct stiffness, finite element.

Summary
Recent solutions for composite construction are based on the connection of more than two elements. An example is sandwich beams composed of reinforced concrete between steel plates. Numerical solutions for these systems, however, are still scarce. This paper describes a finite element formulation for the numerical analysis of three-layered steel-concrete composite beams with partial interaction, subject to Euler-Bernoulli classical beam theory assumptions, and based on the analytical solution of the differential equations. A particularization of a recently published multilayered formulation, for the case of three layers with two flexible connection interfaces is developed. The robustness and correctness of the formulation is assessed with respect to classical finite element solutions for the linear case.

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