RIS ID
104597
Abstract
This paper presents a bond-slip model for interfaces between near-surface mounted (NSM) CFRP strips and concrete where debonding occurs due to cohesion failure in the concrete adjacent to the CFRP strip. This bond-slip model was derived on the basis of numerical results from a parametric study conducted using a verified 3-D meso-scale finite element (FE) model. In the proposed bond-slip model, the concrete compressive strength and the groove height-to-width ratio are the two main parameters: the former indicates how strong the concrete itself is while the latter represents the level of confinement provided by the surrounding concrete to the bonded interface. The proposed bond-slip model provides an essential building block for an FE model for predicting debonding failures of RC structures strengthened with NSM CFRP strips.
Publication Details
Zhang, S. S., Teng, J. G. & Yu, T. (2013). Bond-slip model for interfaces between near-surface mounted CFRP strips and concrete. In J. Barros & J. Sena-Cruz (Eds.), 11th International Symposium on Fiber Reinforced Polymers for Reinforced Concrete Structures (FRPRCS-11) (pp. 1-7).