Modeling of Debond Growth at FRP-Concrete Interface in Aggressive Environments

摘要

The objective of this paper is to model the synergistic bond degradation mechanisms that mayoccur at the interface between a Fiber Reinforced Polymer (FRP) and concrete. For this purpose, atwo-dimensional cohesive layer constitutive model with a prescribed traction-separation law isconstructed from basic principles of continuum mechanics and thermodynamics, taking into accountnon-Fickian hygrothermal effects that are likely to occur within the cohesive layer. The model isimplemented in a test-bed finite element code.