Imperfectly Bonded Unsymmetric Laminated Beamby K. M. Rao, Lect.; Dept. of Mech. Engrg., Indian Inst. of Tech., Kharagpur, India,
B. G. Ghosh, Prof.; Dept. of Mech. Engrg., Indian Inst. of Tech., Kharagpur, India,
Serial Information: Journal of the Engineering Mechanics Division, 1980, Vol. 106, Issue 4, Pg. 685-697
Document Type: Journal Paper
The elasticity solution of a simply supported imperfectly bonded laminated beam is presented. The results show that an imperfectly bonded three-layered beam deflects and is stressed less than a perfectly bonded beam when its middle layer is flexible and its bottom layer is thicker than its top layer. The ratios of stress (σx/σ) and deflection (v/δ) remain constant for a span-to-depth ratio greater than ten, where σ and δ are stress in the top fiber and deflection, respectively, at the central cross section of equivalent Euler beam. The normal pressure remains constant along the span.
Subject Headings: Beams | Bonding | Laminated materials | Displacement (mechanics) | Elastic analysis | Fabrics
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