Bending of Laminated Cantilever Beams with Interlayer Slip

by Hiroyuki Suzuki, Lect.; Inst. of Struct. Engrg., Univ. of Tsukuba, Japan,
Tse-Yung P. Chang, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ. of Akron, Akron, Ohio,

Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 2, Pg. 269-281

Document Type: Journal Paper


This paper deals with the load-deformation responses of laminated cantilever beams with the consideration of interlayer slip. In the analysis, a slip criterion was assumed that slip between the laminae of a beam will occur if the interlayer shear reaches a critical value. An analytical solution was obtained by extending the simple beam theory for which interlayer slip of the beam is permitted. Analysis results indicate that slip deformation not only reduces the bending stiffness of the beam, but also leads to an ultimate state in a manner similar to plastic deformation.

Subject Headings: Deformation (mechanics) | Bending (structural) | Laminated materials | Cantilevers | Beams | Plastic analysis | Stiffening | Plastics

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