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Flexural performance of ring-type steel fiber-reinforced concrete

Authors
Choi, OCLee, C
Issue Date
Jun-2003
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Keywords
bending strength; bond; fiber reinforcement; fracture toughness
Citation
CEMENT AND CONCRETE RESEARCH, v.33, no.6, pp.841 - 849
Journal Title
CEMENT AND CONCRETE RESEARCH
Volume
33
Number
6
Start Page
841
End Page
849
URI
http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/20720
DOI
10.1016/S0008-8846(02)01093-1
ISSN
0008-8846
Abstract
Steel fiber-reinforced concrete (SFRC) with randomly dispersed, short straight steel fibers hardly fails by fiber yielding, and the postpeak behavior is governed by mechanisms related to fiber pullout. It would be more desirable if more fracture energy could be consumed by fiber yielding at failure. It has been experimentally demonstrated in this research that SFRC with the ring-type steel fibers failed by more energy consuming mechanisms other than fiber pullout. Consequently, significant improvements in flexural toughness were obtained as compared to that of SFRC with conventional straight steel fibers. (C) 2003 Elsevier Science Ltd. All rights reserved.
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