Corrosion of reinforcement in concrete construction

Published on Jan 1, 1983
Alan P. Crane1
Estimated H-index: 1
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Abstract
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AbstractThis paper presents the durability performance criteria for precast reinforced concrete (RC) box units for long-term durability against corrosion deterioration. This paper also presents the...
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ABSTRACTThe supercontainer (SC) is the reference concept for the post-conditioning of vitrified high-level radioactive waste and spent fuel in Belgium. It comprises a prefabricated concrete buffer that completely surrounds a carbon steel overpack. Welding is being considered as a final closure technique of the carbon steel overpack in order to ensure its water tightness. Welding is known to induce residual stresses near the weld zone, which may lead to an increased susceptibility to stress corro...
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#1B. KurstenH-Index: 6
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ABSTRACTThe supercontainer is the reference concept for the post-conditioning of vitrified high-level radioactive waste and spent fuel in Belgium. It comprises a prefabricated concrete buffer that completely surrounds a carbon steel overpack. In this highly alkaline environment (pH ∼13.6) and under normal conditions (i.e. without the ingress of aggressive species), the carbon steel overpack will be protected by a passive oxide film, which is expected to result in very low uniform corrosion rates...
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#1H. Nahali (INSA Lyon: Institut national des sciences Appliquées de Lyon)H-Index: 3
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Abstract The penetration of chloride ions by diffusion has become among the most important factors that lead to concrete reinforcement deterioration. To solve the corrosion problem and achieve the expected service life of reinforced concrete structures, many procedures can be employed such as the use of corrosion inhibitors. In this paper a phosphate based inhibitor (Na 3 PO 4 ·12H 2 O) has been used to study its effectiveness against corrosion and its influence on chloride ions diffusion. This ...
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#1Haiqiang Jiang (CUMT: China University of Mining and Technology)H-Index: 1
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This paper presents the results of an investigation that aimed to evaluate the influence of sodium chloride (NaCl or salt) on the yield stress and evolution of the strength of a cemented tailings material (called cemented paste backfill, CPB) that contains ground granulated blast furnace slag (Slag-CPB) in sub-zero environments. About 200 CPB specimens with different NaCl concentrations (0, 5, 35, and 100 g/L) and cured at −6 °C are tested at different curing times (0, 0.25, 1, 2, and 4 h for yi...
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Geopolymer is a sustainable construction material produced by the activation of fly ash using a high concentration alkali to initiate a polymerisation reaction. A key parameter in determining the potential adoption of geopolymer concrete in the construction industry is the long term durability of the material. To determine the durability characteristics a detailed investigation of the permeation properties of four different fly ash geopolymer concretes was carried out up to one year of age. An i...
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#1Ming Liu (USTB: University of Science and Technology Beijing)H-Index: 16
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Abstract Cr modified alloy steels using HRB400 steel as base alloy were produced by remelting in a vacuum. Their corrosion resistance were estimated by open circuit potential, electrochemical impedance spectroscopy, X-ray photoelectron spectroscopy and immersion test in saturated Ca(OH) 2 simulated concrete pore solution. The modified alloy steels exhibit higher corrosion resistance with a high chloride thresholds, lower corrosion current density and higher impedance than HRB400 steel rebar. Cr ...
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