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Bending analysis of a finite beam on a reinforced halfplane

Chandrashekhara, K and Antony, Joseph S and Mondal, Debashish (1997) Bending analysis of a finite beam on a reinforced halfplane. In: Strain, 33 (2). pp. 47-51.

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Abstract

This paper deals with an experimental study, using the photoelastic method, on the bending analysis of a centrally loaded finite free-free beam resting on a partly reinforced (horizontally) elastic halfplane. In the experimental study the interface between the beam and partly reinforced halfplane has been made both frictionless and fully bonded. An experimental-numerical hybrid method, developed earlier by the authors has been used to determine the contact pressure distribution. The contact pressure distribution thus obtained has been compared with the results obtained using an analytical-numerical procedure in which two different modellings have been used for the reinforced region viz., (i) equivalent orthotropic (composite approach); and (ii) layered system (discrete approach). Results of contact pressure distribution as well as bending stress distribution in the beam have been presented for several cases. The experimental procedure presented here is easy to apply to such complex practical problems and could be of interest to design engineers.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to INIST-CNRS.
Keywords: Experimental study;Structure soil interaction;Elastic half plane;Reinforced structure;Composite girder;Stress analysis;Stress distribution;Bending stress;Shear stress;Photoelasticity
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 12 Mar 2007
Last Modified: 27 Aug 2008 12:43
URI: http://eprints.iisc.ernet.in/id/eprint/10332

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