High performance fibre-reinforced cementitious composite (CARDIFRC) - Performance and application to retrofitting

Farhat A. Farhat, Demetrios Nicolaides, A. Kanellopoulos, Bhushan Lal Karihaloo

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)


This paper describes first some of the recent performance checks on the high performance fibre-reinforced cementitious composite CARDIFRC and then its application to the retrofitting of damaged concrete beams. It is shown that an even distribution of fibres throughout the bulk of the material is crucial to its excellent fatigue performance and to the reduction in the autogenous shrinkage strains. The distribution of fibres in beams, cylinders and strips is examined using computerised tomography imaging and traditional image analysis. Thin strips of CARDIFRC are used to retrofit damaged concrete beams which are subjected to thermal cycling. It is shown that neither the load carrying capacity of the retrofitted beams nor the bond between retrofit strips and concrete deteriorates with thermal cycling. The load carrying capacity of retrofitted beams is predicted with a model based on fracture mechanics, and the predictions are shown to be in good agreement with test data.

Original languageEnglish
Pages (from-to)151-167
Number of pages17
JournalEngineering Fracture Mechanics
Issue number1-2
Publication statusPublished - Jan 2007


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