4.5 Article

Shear Lag in Fiber-Reinforced Plastics Composite Simply Supported II-Beams

Journal

MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
Volume 20, Issue 7, Pages 564-570

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2011.643277

Keywords

shear lag model; simply supported II-beams; shear lag coefficients; parametric studies; experiment

Funding

  1. National Natural Science Foundation of China [50608069, 10632060, 10640150395]
  2. Yi Xing Science and Technology Bureau Industrial Support Plan [2101]

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Shear lag model for fiber-reinforced plastics (FRP) composite simply supported II-beams under bending loads was put forward using the energy method. Two pultruded FRP composite simply supported II-beams under three cases of loads were studied with finite element analysis (FEA) and experimental methods to validate the present model. Finally, parametric studies on the shear lag coefficients were presented. It was concluded that the present model of this article agrees closely with the FEA results and the experimental results.

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