Experimental Investigation of Bending and Twisting Coupling in Thin-Walled Composite Beams

by Lawrence C. Bank, Catholic Univ of America, Washington, United States,
Steven J. Smith, Catholic Univ of America, Washington, United States,

Document Type: Proceeding Paper

Part of: Engineering Mechanics


The behavior of a thin-walled ppen section composite material beam depends on the anisotropic mechanical properties of the panels that form the beam. A beam theory has been proposed for the analysis of such beams subjected to transverse loads. The theory has been verified for prelimary hand-calculation analysis by finite-element analysis. The experimental validation of the theory is described in this paper. Few prior experimental investigations of coupled deformation in open section thin-walled composite beams, subjected to transverse loads, have been reported.

Subject Headings: Composite beams | Material properties | Anisotropy | Mechanical properties | Finite element method | Bending (structural) | Transverse loads

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