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Bond of reinforcing bars in self-compacting steel fiber reinforced concrete

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Author: Schumacher, P. · Bigaj-van Vliet, A.J. · Braam, C.R. · Uijl, J.A. den · Walraven, J.C.
Institution: TNO Bouw
Source:Balasz, G.L.Bartos, al, Proceedings of the 3rd international symposium Bond in concrete - from research to standards, Budapest, Hungary, 2002, 823-830
Identifier: 330328
Keywords: Architecture and Building


Pull-out tests were performed on 10 mm diameter ribbed bars embedded along three times the bar diameter in 200 mm cubes made of plain and steel fiber reinforced concrete (SFRC) of normal strength (B45). The fiber content was 60 and 120 kg/m3, respectively, the aspect ratio of the fibers was 45 and 80 and the concrete cover was 15, 25, 35 and 95 mm. The experimentally observed failure mode, splitting or pull-out, and the bond ductility were compared with numerical confinement analyses, in which a possible reduction of the fiber content in the concrete cover was taken into account