Constitutive Behavior and Finite Element Analysis of FRP Composite and Concrete Members
- Authors
- Ann, Ki Yong; Cho, Chang-Geun
- Issue Date
- Sep-2013
- Publisher
- MDPI Open Access Publishing
- Keywords
- FRP and concrete composite; constitutive behavior; compressive test; bending test; mixed finite element
- Citation
- Materials, v.6, no.9, pp.3978 - 3988
- Indexed
- SCIE
SCOPUS
- Journal Title
- Materials
- Volume
- 6
- Number
- 9
- Start Page
- 3978
- End Page
- 3988
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/27133
- DOI
- 10.3390/ma6093978
- ISSN
- 1996-1944
- Abstract
- The present study concerns compressive and flexural constitutive models incorporated into an isoparametric beam finite element scheme for fiber reinforced polymer (FRP) and concrete composites, using their multi-axial constitutive behavior. The constitutive behavior of concrete was treated in triaxial stress states as an orthotropic hypoelasticity-based formulation to determine the confinement effect of concrete from a three-dimensional failure surface in triaxial stress states. The constitutive behavior of the FRP composite was formulated from the two-dimensional classical lamination theory. To predict the flexural behavior of circular cross-section with FRP sheet and concrete composite, a layered discretization of cross-sections was incorporated into nonlinear isoparametric beam finite elements. The predicted constitutive behavior was validated by a comparison to available experimental results in the compressive and flexural beam loading test.
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