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RESEARCH PAPERS

Photoelastic Investigation of a Thick Plate With a Transverse Crack

[+] Author and Article Information
G. Villarreal

Department of Civil Engineering, Universidad de Nuevo Leon, Monterrey, Mexico

G. C. Sih, R. J. Hartranft

Institute of Fracture and Solid Mechanics, Lehigh University, Bethlehem, Pa.

J. Appl. Mech 42(1), 9-14 (Mar 01, 1975) (6 pages) doi:10.1115/1.3423562 History: Received September 01, 1974; Revised October 01, 1974; Online July 12, 2010

Abstract

The purpose of this investigation was to experimentally test one of the assumptions of a recent modified version of the theory of generalized plane stress. The form postulated by the theory for the stress variation through the thickness of a plate containing a crack will be compared with that obtained by three-dimensional photoelastic analysis. Specimens covering the range from thin to moderately thick plates were examined by the frozen stress technique. The experimentally measured transverse variation of the in-plane stress components σx and σy was in excellent agreement with that postulated by the theory.

Copyright © 1975 by ASME
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