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Published in:
2021 | OriginalPaper | Chapter
Effect of Corroded Steel Fibers on Mechanical Behavior of Steel Fiber Reinforced Concrete
Authors : Minoru Kunieda, Masaki Tsutsui, Le V. Tri
Published in: Fibre Reinforced Concrete: Improvements and Innovations
Publisher: Springer International Publishing
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Abstract
This paper presents the exposure test results of Steel Fiber Reinforced Concrete (SFRC) beams having crack width of 0.2 mm for 3 months, 1 year and 2 years. By flexural loading test, initial stiffness of the exposed SFRC beams was decreased with increasing of exposure period. And corrosion of steel fibers themselves was observed at crack surface. The corrosion depth from the specimen surface was about 15–35 mm. There was no significant effect of fiber content on corrosion depth. Corrosion of the re-bar across the exposed crack was observed, and it may affect the reduction of stiffness of the beams due to loss of bond properties between re-bar and SFRC.