Bond and Slip of FRP Rebars in Concrete

Larralde, J.; Silva-Rodriguez, R

doi:10.1061/(asce)0899-1561(1993)5:1(30)

Cited by 75 publications

(31 citation statements)

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“…The above experimental results appear to be in agreement with results published by other researchers (Malvar, 1995, Larralde and Silva-Rodriqez, 1993, Chaallal and Benmokrane, 1993 and Nanni, Al-Zaharani, Al-Dulaijen, Bakis and Boothby, 1995, Tepfers R. and Karlsson M., 1997) despite the fact that different types of FRP rods were used. It is also worth noting that the bond strength of epoxy-coated bars, which are mainly used as anti-corrosive reinforcement, varies from 67-95% of that of deformed steel bars Embedment length (Chaallal and Benmokrane, 1993), which is comparable to the bond strength of FRP bars.…”

Section: Type Of Bar Fibersupporting

confidence: 82%

Bond Behavior of Fiber Reinforced Polymer Bars under Direct Pullout Conditions

2004

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This paper examines the behavior of the Eurocrete FRP bars (Glass, Carbon, Aramid and Hybrid) in concrete under direct pullout conditions. More than 130 cube specimens were tested in direct pullout, where no splitting was allowed to develop. In normal concrete, the mode of bond failure of FRP bars was found to differ substantially from that of deformed steel bars, due to damage to the resin rich surface of the bar when pull-out takes place. The bond strengths developed by CFRP and GFRP bars appear to be very similar and just below what is expected from deformed steel bars under similar experimental conditions. The load slip curves highlight some of the fundamental differences between steel and FRP materials. This paper reports in detail on the influence of various parameters that affect bond strength and development, such as: the embedment length, type, shape, surface characteristics and diameter of the bar as well as the concrete strength. The testing arrangement is also shown to influence the bond strength, due to the "wedging effect" of the bars.

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Section: Type Of Bar Fibersupporting

confidence: 82%

Bond Behavior of Fiber Reinforced Polymer Bars under Direct Pullout Conditions

2004

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“…The mechanics of bond stress transfer between FRP reinforcement and concrete has been investigated by many authors [1][2][3][4][5]. The EUROCRETE project [6] studied the influence of rebar type, embedment length and cross-sectional shape, among others; the results were presented in [7,8].…”

Section: Introductionmentioning

confidence: 99%

Experimental study of bond behaviour between concrete and FRP bars using a pull-out test

Baena

Torres

Turón

et al. 2009

Composites Part B: Engineering

402

190

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“…Nanni et al (Nanni, 1998, Nanni and Al-Zahrani, 1995 and Larralde et al (Larralde and Silva-Rodriguez, 1993, Larralde and Mueller-Rockholz, 1998, Larralde and SilvaRodriguez, 1994) have conducted pullout tests on a variety of FRP bars. Both have reported that the failure was governed by shearing of the bar deformations.…”

Section: Research On Bond Of Frp Reinforcementmentioning

confidence: 99%