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Behavior of interaction effect between two-bars on the bond between reinforcing bars and fiber reinforced concrete
(Asian Research Publishing Network, 2022) Bayoumi, EL-Said Abd-Allah; Alzamel, Ghazi Ayman; Naimi, Sepanta
This paper presents an experimental investigation on the behavior of interaction effect between two-bars on the bond between reinforcing bars and fiber reinforced concrete (FRC). This study contains two phases. The first phase included the studied bond behavior for specimens having a spacing between two-bars =25mm while the second phase focused on the study of bond behavior for specimens having a spacing between two-bars =50mm. The parameters considered are the variation in bar diameter and the effect of embedded lengths on bonding between two-steel bars and FRC. From the results of the experimental tests, the increase in the depth of embedded length, the ultimate load and the value of slip increased. The use of biggest bar diameter with the same embedded length increase both bond strength and toughness values. Further, behavior of specimens having a spacing between two-bars =25mm had the same behavior in resisting the influential loads during the test while for specimens having a spacing between two-bars =50mm, one of the bars slipped before the other at the initiating of loading and with the loading rate increased, the other reinforcing slipped.