Flexural and Shear Moduli of FRP Beams

by L. C. Bank, Univ of America, United States,

Document Type: Proceeding Paper

Part of: Structural Materials


The analysis and design of structures of pultruded fiber reinforced plastic (FRP), constant cross-section, commercially produced, beams is discussed in the context of a shear deformation beam theory. The importance of accounting for shear deformation effects in a FRP beam is emphasized and the need for characterizing the beam in terms of both a full-section flexural modulus and a full-section shear modulus is explained. An experimental methodology is discussed whereby these two section moduli are obtained simultaneously in a simple three-point bend test.

Subject Headings: Shear deformation | Shear modulus | Beams | Fiber reinforced polymer | Flexural strength | Synthetic materials | Shear stress | Structural design

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