Journal of JSCE
Online ISSN : 2187-5103
ISSN-L : 2187-5103
Paper
NONLINEAR STRESS ANALYSIS FOR CFRP-SHEET-BONDED STEEL PLATES UNDER UNIAXIAL TENSILE LOADING
Ngoc Vinh PHAMTakeshi MIYASHITA
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2020 Volume 8 Issue 1 Pages 127-143

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Abstract

 To clarify the mechanical behavior, peeling mechanism, and peeling strength of the adhesion layer inserted between a steel member and a carbon fiber-reinforced plastic (CFRP) sheet on reinforced steel structures, this study established a nonlinear theoretical analysis method with a CFRP-sheet-bonded steel plate under uniaxial tensile loading. The proposed analysis method considered the nonlinear material properties of all members of the analytical model. The material model of the adhesion layer was constructed based on the relationship between shear stress and relative displacement. To verify the accuracy of the proposed method, 2D geometric nonlinear finite element method (FEM) analyses were implemented. Comparison of the results of the theoretical and FEM analyses confirmed that accurate evaluation of the peeling strength of the analytical model and the mechanical behavior of all members is possible.

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© 2020 Japan Society of Civil Engineers
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