Brite Euram program on steel fibre concrete subtask: durability : corrosion resistance of cracked fibre reinforced concrete.

Nemegeer, D.

doi:10.1617/2351580168.004

Cited by 19 publications

(13 citation statements)

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“…12); the crack faces act as new surfaces carbonating at a lower rate, e.g. calculated carbonation coefficients inside cracks and perpendicular to the crack faces are 70 -80 % lower than the ones for external surfaces, and decrease along the crack depth [12,57].…”

Section: Carbonation Of Sfrcmentioning

confidence: 99%

Corrosion resistance of steel fibre reinforced concrete - A literature review

Meson

Michel

Solgaard

et al. 2018

Cement and Concrete Research

195

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Section: Carbonation Of Sfrcmentioning

confidence: 99%

Corrosion resistance of steel fibre reinforced concrete - A literature review

Meson

Michel

Solgaard

et al. 2018

Cement and Concrete Research

195

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“…The compressive strength and tensile splitting strength of the specimens were not jeopardized by the externally applied DC current either. Nemegeer et al [37] cast concrete cubes comprising of different types of steel fibres and exposed them to the chloride solution for 18 months. Rusty stains were only identified on the surface of concrete containing steel fibres although no detrimental effect on the compressive strength of the concrete was observed.…”

Section: Introductionmentioning

confidence: 99%

Stray current induced corrosion of steel fibre reinforced concrete

Tang

2017

Cement and Concrete Research

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Stray current induced corrosion is a major technical challenge for modern electric railway systems. The leakage of stray current to surrounding reinforced concrete structures can lead to steel reinforcement corrosion and the subsequent disintegration of concrete. Steel fibre reinforced concrete has been increasingly used as the railway tunnel lining material but it is not clear if discrete steel fibres can still pick up and transfer stray current in the same way as conventional steel reinforcement and lead to similar corrosion reactions. The corrosion behaviour of steel fibres was investigated through voltammetry tests and electrochemical impedance spectroscopy. The presence of high concentration chloride ions was found to increase the pitting corrosion tendency of steel fibres in simulated concrete pore solutions and mortar specimens. The chloride threshold level for corrosion of steel fibres in concrete is approximately 4% NaCl (by mass of cement) which is significantly higher than that of conventional steel reinforcement

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“…Load-deflection diagrams for the determination of the equivalent and residual flexural tensile strength parameters[33].…”

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confidence: 99%

Durability of steel fiber reinforced self-compacting concrete

Frazão

Camões

Barros

et al. 2015

Construction and Building Materials

162

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h i g h l i g h t sMechanical properties and durability indicators of SFRSCC and SCC were assessed. Self-compacting requisites were maintained, adding 60 kg/m 3 of steel fibers to SCC. Steel fibers contributed for the increase of post-cracking flexural resistance. The addition of steel fibers to SCC did not affect the durability indicators. a b s t r a c tDurability is one of the most important aspects of concrete due to its fundamental incidence on the serviceability working conditions of concrete structures. Research on the durability of steel fiber reinforced self-compacting concrete (SFRSCC) is still scarce, particularly in the aspects of corrosion resistance, which did not yet demonstrate clearly whether the corrosion of steel fibers may or may not lead to cracking and subsequent spalling of the surrounding concrete.For conventional concrete, without steel fibers, there are some widespread used durability indicators, which applicability to SFRSCC and its common values are practically unknown. For this purpose, an experimental work with SFRSCC and self-compacting concrete (SCC) specimens was carried out in order to characterize their mechanical properties and evaluate durability indicators.The results showed that the addition of steel fibers to SCC was very effective in terms of increasing the post-cracking flexural resistance and the energy absorption, and did not affect significantly the selfcompacting requisites and the durability indicators of SCC.

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Brite Euram program on steel fibre concrete subtask: durability : corrosion resistance of cracked fibre reinforced concrete.

Cited by 19 publications

References 0 publications

Corrosion resistance of steel fibre reinforced concrete - A literature review

Corrosion resistance of steel fibre reinforced concrete - A literature review

Stray current induced corrosion of steel fibre reinforced concrete

Durability of steel fiber reinforced self-compacting concrete

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