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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Surface Applied Amino Alcohol Based Corrosion Inhibitors for Corrosion Protection of RC Structures
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Abstract:In this paper the properties of amino alcohol based, surface-applied corrosion inhibitors (SACI) are summed up and test results obtained in the laboratory and the field are presented. SACI can be used as a component of repair systems for the corrosion protection and rehabilitation of steel reinforced concrete structures. The penetration into hardened concrete and the corrosion-inhibiting properties of SACI are shown. SACI can delay the onset of corrosion and/or reduce the corrosion rate of reinforcing steel in reinforced concrete structures. Site surveys showed that SACI can penetrate through hardened concrete up to a depth of 50 to 60 mm in three months. The penetration rate strongly depends on the permeability of the concrete, hence the concrete porosity. The application of SACI is an interesting option for repair strategies for both, the protection and the rehabilitation of existing steel reinforced concrete structures. SACI provide a cost effective solution within a repair and maintenance strategy. Corrosion protection with SACI can increase the service and maintenance life cycles by up to 10-15 years when used as part of a complete corrosion repair and protection system incorporating cementitious repairs, levelling mortars and protective coatings.
Concrete Institute of Australia, International Partner Access.
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