Tests on Bond of Galvanized Rebar and Concrete Cured in Seawater

Andrade, Carmen; Arteaga, A.; Hombrados, Cecilio López; Vázquez, A.J.

doi:10.1061/(asce)0899-1561(2001)13:5(319)

Cited by 8 publications

(5 citation statements)

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“…In cases of galvanized coating, Pokorný et al [ 2 ] pointed out that degradation of bond strength in GR reinforced concrete was mitigated. The evidence for this was found in research [ 146 , 147 ]. According to the results presented, the bond strength of galvanized specimens was usually less than that of black steel specimens without corrosion.…”

Section: Behavior After Corrosionmentioning

confidence: 82%

“…Table 7 summarizes the tests of bond strength with corrosion, where retention is defined as the bond strength of coated bar reinforced specimens divided by bond strength of BSR reinforced specimens. Specifically, galvanized technology develops the bond strength of reinforcement and concrete with corrosion [ 27 , 146 , 147 ]. The epoxy coat is effective when exposed to an ocean environment [ 149 ].…”

Section: Behavior After Corrosionmentioning

confidence: 99%

“… Bond strengths and retentions of uncoated and coated reinforcement exposed to varying environments [ 38 , 147 , 149 ]. …”

Section: Behavior After Corrosionmentioning

confidence: 99%

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Anti-Corrosion Reinforcements Using Coating Technologies—A Review

et al. 2022

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Coated reinforcements are expected to improve the performance of reinforced concrete in aggressive environments, but different kinds of coated reinforcements can express a variety of properties, which can confuse researchers and engineers. This paper reviews the manufacture, corrosion mechanisms, behaviors, and applications of popular or promising coated reinforcements, incorporating galvanized reinforcements (GRs), epoxy coated reinforcements (ECRs), stainless cladding reinforcements (SCRs), and steel-fiber reinforced polymer composite bars (SFCBs). In terms of manufacture, GRs and ECRs should focus on minimizing the negative effect of manufacture on performance, while SCRs and SFCBs should reduce the cost and increase the production capacity. Behaviors of GRs and ECRs are primarily determined by the steel substrate, but the behaviors of SCRs and SFCBs are primarily affected by the coat and core, and their interaction. The corrosion mechanism of GRs and SCRs is about oxidation, while that of SFCBs is about hydrolysis. ECRs are usually corroded under film, which can be a cause of premature failure. Corrosion embrittles SCRs, as well as bare bars, but corrosion of SFCBs usually causes a reduction in maximum strength. The investigation of the corrosion behaviors of GRs and ECRs focuses on bond strength. GRs have controversial performance. ECRs have been proven to have drawbacks regarding bond strength. The use of anti-corrosion reinforcement is uneven in regions, which may correlate with the development of technology and the economy.

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Section: Behavior After Corrosionmentioning

confidence: 82%

Section: Behavior After Corrosionmentioning

confidence: 99%

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Anti-Corrosion Reinforcements Using Coating Technologies—A Review

et al. 2022

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“…Autoři deklarují, že soudržnost zinkované výztuže s betonem nezávisí na tloušťce vyloučeného povlaku žárového zinku. V práci [84] je posuzována soudržnost zinkované žebírkové výztuže s přídavkem CaCl 2 i bez chloridů. Byla provedena i expozice v mořské vodě.…”

Section: Výsledky Pøedešlých Zkoušek Soudržnosti Zinkované Výztuže S unclassified

Vliv koroze zinkované oceli na soudržnost s betonem / The influence of galvanized steel on bond strength with concrete

Pokorný¹

2012

Koroze a Ochrana Materiálu

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“…For this reason, ACI 408-03 (ACI Committee 408 2003) does not recommend the pull-out specimen test to determine development length of reinforcement. However, pull-out specimen tests are valid in determining relative performance between different types of concretes or different types of reinforcing bar coatings (Al-Sulaimani et al 1990;Carins and Abdullah 1994;Benmokrane et al 1996;Tighiouart et al 1998;Andrade et al 2001;Belaid et al 2001). The current study used both pull-out specimens and beam splice specimens to evaluate SCC reinforcement bond strength compared with CC.…”

Section: Introductionmentioning

confidence: 99%

An Experimental Study on Bond Strength of Reinforcing Steel in Self-Consolidating Concrete

Looney

Arezoumandi

Volz

et al. 2012

Int J Concr Struct Mater

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An experimental investigation was conducted to compare the bond strength of reinforcing steel in self-consolidating concrete (SCC) with conventional concrete (CC). This study investigated two different compressive strengths of SCC as well as CC. The experimental program consisted of 24 pull-out specimens as well as 12 full-scale beams (three for each concrete type and strength). The pull-out specimens were based on RILEM recommendations, and the beam specimens were tested under a simply supported four-point loading condition. The CC test results served as a control and were used to evaluate the results from the SCC pull-out and beam specimen tests. Furthermore, a comparison was performed between results of this study and a bond database of CC specimens. These comparisons indicate that SCC beams possess comparable or slightly greater bond strength than CC beams.

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Tests on Bond of Galvanized Rebar and Concrete Cured in Seawater

Cited by 8 publications

References 1 publication

Anti-Corrosion Reinforcements Using Coating Technologies—A Review

Anti-Corrosion Reinforcements Using Coating Technologies—A Review

Vliv koroze zinkované oceli na soudržnost s betonem / The influence of galvanized steel on bond strength with concrete

An Experimental Study on Bond Strength of Reinforcing Steel in Self-Consolidating Concrete

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