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concrete concrete sodium chloride

Sodium Gluconate For Sale - Kingsun Chemical Admixtures

2019-8-29 · The following is the detailed uses of sodium gluconate: It can be used as water reducing agent and retarder in the construction & building industry. Adding fixed amount of sodium gluconate in cement can make the concrete strong and random, and

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Study of the Influence of Cement Type, Cement Content, and

Reinforced concrete structures constructed in coastal zones have constantly been threatened by environmental damaging elements. The chloride ion is known as one of the most aggressive of these elements, causing, among other damages, corrosion of the steel

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Coupled diffusion of chloride and other ions in

2011-9-5 · Abstract: Corrosion of reinforcing steel due to chloride ions is one of the severe deterioration problems in long-term performance of reinforced concrete ...

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CHLORIDE PENETRATION IN FLY ASH CONCRETE - ijret.org

2019-4-21 · the chloride penetration decreased in concrete after 90 days of curing. The chloride penetration fly ash concrete reduced significantly with increase in volume of fly ash. The reduction in chloride penetration in concrete with 30%, 40%, 50 % a

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(PDF) Salt Weathering of Concrete by Sodium Carbonate and

PDF | Concrete cylinders were partially submerged in 5% sodium carbonate or 5% sodium chloride solutions for up to 3.1 years. Environmental conditions were varied during the test to promote ...

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Effect of Sodium Chloride (Nacl) on Concrete

2019-7-1 · [1]noted sodium chloride damages concrete while Robertson [2] said sodium chloride accelerates the pigments in the surface of wet concrete immediately after placing. In his research work between 1993 and2005, Carter [3] observed that sodium chl

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Resistance of concrete against combined attack of chloride

This indicates that the addition of pozzolanic materials can improve the resistance of concrete against combined attack of chloride and sodium sulfate under drying–wetting cycles , , , especially FA, which reveals more effect than GAFS. Download high-res

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Chloride-induced corrosion of steel in concrete_

2014-8-19 · 448 Chloride-induced corrosion of steel in concrete G K Glass and N R Buenfeld Imperial College, London, UK Summary The corrosion of steel reinforcement in ...

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Underground concrete structure exposure to

Series of simulation tests were executed to analyze sulfate ions and chloride ions diffusion and concrete's mechanical deterioration when the sulfate and chloride ...

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How does chloride affect the properties of concrete? - Quora

Chloride attack is one of the most important aspects for consideration when we deal with the durability of concrete. Chloride attack is particularly important because it primarily causes corrosion of reinforcement. Statistics have indicated that o...

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Damage on lining concrete in highway tunnels

2018-5-22 · Abstract: The combined effect from sulfate and chloride is one of the important reasons to cause the damage of lining concrete in highway tunnels. To ...

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Impacts of Potassium Acetate and Sodium-Chloride Deicers

In this study, the effects of sodium chloride (NaCl) and potassium acetate (KAc) deicers were investigated using concrete samples obtained from the field bridge deck coring and those prepared in the laboratory.

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Chloride Attack on Concrete Structures - Cause and Prevention

2013-5-11 · Chloride Attack on Concrete Structures is one of the most important phenomena we consider when we deal with the durability of concrete. Among all sources of failure of concrete structures, the chloride attack accounts 40% contribution. The mai

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A review of the chloride transport properties of

Abstract Chloride transport property is very important for the durability and service life of reinforced concrete structures subjected to marine environments and de-icing salt. In ...

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Chemical attack of strong chloride solutions on concrete

2016-5-20 · Strong solutions of ma.gnesium chloride, calcium chloride, and sodium (or potassium) chloride influence concrete or mortar in different ways. 3 For magnesium chloride and calcium chloride, the concentration has a great importance. If ele conce

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Performance of RHA Blended Cement Concrete under Sodium

This paper investigates the effects of concrete containing RHA subjected to sodium chloride solution (5% NaCl) under wetting and drying cycles. Five levels of cement replacement (0%, 10%, 20%, 30% and 40% by weight) were used. The total cementitious conte

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Chloride-induced-corrosion-of-reinforcing-steel

2011-8-24 · Electrochimica Acta 49 (2004) 4447–4453 Chloride induced corrosion of reinforcing steel evaluated by concrete resistivity measurements W. Morris, A. Vico, M ...

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EFFECTS OF SODIUM CHLORIDE

Effects of NaCl concentration on solution absorption and saturation degree in concrete under freezing-thawing cycles were investigated. The results show that the increasing ...

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Chloride Content of Portland Cement Concrete Powder

the chloride content in sodium chloride-doped concrete. Several sodium chloride-doped concrete beams were pre­ pared with a chloride content that ranged from 0.35 to 1.42 kg/m3 • Dry-powder samples of concrete was obtained from these beams using the Kansa

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Testing Chloride Penetration Resistance of Concrete

2000-6-8 · by using relatively impenetrable concrete. The ability of chloride ions to penetrate the concrete must then be known for design as well as quality control purposes. The penetration of the concrete by chloride ions, however, is a slow process. I

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