An external surface coating to protect concrete and steel from aggressive environments

Swamy, R.N.; Tanikawa, Shin

doi:10.1007/bf02472806

Cited by 71 publications

(38 citation statements)

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“…In 2010, Korea established recommended standards for ozone-proof paint to resolve this problem, and the development of organic/inorganic paint materials has been studied [15]. However, existing waterproofing/anti-corrosion materials (i.e., organic materials based on epoxy resins) cause corrosion, breakaway, exfoliation, and cracks in the finishing material, in an environment with high concentrations of ozone and chemicals; they can even affect the concrete itself and degrade the long-term durability [16,17]. To address this problem of organic/inorganic paint materials, the stainless steel (SUS) panel method has recently been applied to some facilities; this method uses SUS panels with excellent waterproofing/corrosion protection performance, ozone resistance, and chemical resistance [18,19].…”

Section: Introductionmentioning

confidence: 99%

Ozone Resistance, Water Permeability, and Concrete Adhesion of Metallic Films Sprayed on a Concrete Structure for Advanced Water Purification

2017

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Abstract:We evaluated the applicability of metal spray coating as a waterproofing/corrosion protection method for a concrete structure used for water purification. We carried out an ozone resistance test on four metal sprays and evaluated the water permeability and bond strength of the metals with superior ozone resistance, depending on the surface treatment method. In the ozone resistance test, four metal sprays and an existing ozone-proof paint were considered. In the experiment on the water permeability and bond strength depending on the surface treatment method, the methods of no treatment, surface polishing, and two types of pore sealing agents were considered. The results showed that the sprayed titanium had the best ozone resistance. Applying a pore sealing agent provided the best adhesion performance, of about 3.2 MPa. Applying a pore sealing agent also provided the best waterproofing performance. Scanning electron microscope analysis showed that applying a pore sealing agent resulted in an excellent waterproofing performance because a coating film formed on top of the metal spray coating. Thus, when using a metal spray as waterproofing/corrosion protection for a water treatment concrete structure, applying a pore sealing agent on top of a film formed by spraying titanium was concluded to be the most appropriate method.

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Section: Introductionmentioning

confidence: 99%

Ozone Resistance, Water Permeability, and Concrete Adhesion of Metallic Films Sprayed on a Concrete Structure for Advanced Water Purification

2017

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“…Consequently, a disadvantage of lightweight concrete is its high porosity, which could promote carbonation and corrosion of rebars. The obvious solution is to cut off the transportation path of aggressive agents by applying surface or barrier coatings on the mortar surface that can do this efficiently, effectively and economically [7,8].…”

Section: Introductionmentioning

confidence: 99%

Corrosion protection of steel in pumice lightweight mortar by coatings

Batis

Kouloumbi

Pantazopoulou

2005

Cement and Concrete Composites

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“…In some cases [1][2][3][4][5], reinforced concrete beams are subjected only to their own weight, without external load; rebars are totally in tension while concrete is partially in tension and compression.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Concrete Beams During the Corrosion Process on Reinforcement Under Tensile Stress

Ortega¹,

Aveldaño²

2008

TOBCTJ

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This paper aims to the experimental study of reinforced concrete beams subjected to mechanical stresses and simultaneously affected by a corrosion process of their reinforcements. The corrosion process is galvanostatically accelerated applying a certain current density to a limited area of the reinforcements, which are under constant wetting with a solution of Sodium Chloride. The influence of the different degrees of tension in the process of reinforcement corrosion is analyzed through electrochemical monitoring, the cracking advancement in the concrete cover, and the loss of base material in the bars.

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An external surface coating to protect concrete and steel from aggressive environments

Cited by 71 publications

References 0 publications

Ozone Resistance, Water Permeability, and Concrete Adhesion of Metallic Films Sprayed on a Concrete Structure for Advanced Water Purification

Ozone Resistance, Water Permeability, and Concrete Adhesion of Metallic Films Sprayed on a Concrete Structure for Advanced Water Purification

Corrosion protection of steel in pumice lightweight mortar by coatings

Analysis of Concrete Beams During the Corrosion Process on Reinforcement Under Tensile Stress

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