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Ability of recycling on fiber reinforced concrete

Authors
Journal
Construction and Building Materials
0950-0618
Publisher
Elsevier
Identifiers
DOI: 10.1016/j.conbuildmat.2014.01.060
Keywords
  • Fiber Reinforced Concrete
  • Recycle Aggregate
  • Crushing

Abstract

Abstract Fiber Reinforced Concrete (FRC) can improve not only mechanical properties but also durability due to reduced crack width. Previous researches only enhance the advantages of fiber addition. From the view point of sustainability, the treatment of FRC after the service period of concrete structures should be one of the important issues in near future. This paper presents the ability of recycling of ordinary FRC having two kinds of fiber and different fiber content. It was clarified that fiber addition makes the size of crushed concrete smaller, and the size became smaller with increasing of the fiber content. In addition, the effect of fiber type (steel and PP) on the size of produced pieces was not significant. Eventually, crushing process, which is corresponding to the process removing mortar, can remove the fiber from the recycle aggregate, because the fiber is included within only mortar.

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