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24. Bond behaviour of conventional reinforcement in fibre reinforced concrete



Title: 24. Bond behaviour of conventional reinforcement in fibre reinforced concrete
Author(s): J. Cairns, G.A. Plizzari
Paper category : conference
Book title: 6th International RILEM Symposium on Fibre Reinforced Concretes
Editor(s): M. di Prisco, R. Felicetti and G.A. Plizzari
Print-ISBN: 2-912143-51-9
e-ISBN: 2912143748
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 321 - 330
Total Pages: 10
Nb references: 13
Language: English


Abstract: Results from pull-out tests on short anchorages of deformed bars, simulating the influence zone of one stirrup, are presented. Tests were performed on specimens made with normal and high-strength concrete, with and without hooked steel-fibres. The experimental results show that bond capacity and splitting crack opening are markedly influenced by transverse reinforcement. Fibres additionally increase bond stiffness and strength. Furthermore, fibres reduce splitting crack opening thus improving durability. Fibres are more effective in a high-strength concrete matrix. Finally, it is shown that the effectiveness of steel fibres is greatest in the post-peak branch of the bond-slip curve, where a larger splitting crack opening is present.


Online publication: 2004-08-30
Publication type : full_text
Public price (Euros): 0.00