TY - JOUR
T1 - High performance fibre-reinforced cementitious composite (CARDIFRC) - Performance and application to retrofitting
AU - Farhat, Farhat A.
AU - Nicolaides, Demetrios
AU - Kanellopoulos, A.
AU - Karihaloo, Bhushan Lal
PY - 2007/1
Y1 - 2007/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=33748710615&partnerID=8YFLogxK
U2 - 10.1016/j.engfracmech.2006.01.023
DO - 10.1016/j.engfracmech.2006.01.023
M3 - Article
AN - SCOPUS:33748710615
SN - 0013-7944
VL - 74
SP - 151
EP - 167
JO - Engineering Fracture Mechanics
JF - Engineering Fracture Mechanics
IS - 1-2
ER -