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New for 2018! This NACE International state-of-the-art report contains information about materials that provide a corrosion-resistant alternative to plain carbon steel reinforcing bar (rebar). The report is intended for use by engineers when considering the use of alternative concrete reinforcement and post- or prestressing strand materials with higher corrosion resistance than that of conventional carbon steel alloys.
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HISTORICAL DOCUMENT. Procedures to control corrosion of conventional reinforcing steel in Portland cement concrete structures through the application of chloride extraction or realkalization.
This AMPP standard practice presents the requirements for electrochemical chloride extraction and electrochemical realkalization of reinforcing steel in atmospherically exposed concrete structures.The standard provides the designengineer and contractor with the requirements for control of corrosion of conventional reinforcing steel in Portland cement concrete structures through the application of chloride extraction or realkalization.This standard is intended foruse by owners, engineers, architects, contractors, and all those concerned with rehabilitation of corrosion-damagedreinforced concrete structures.
HISTORICAL DOCUMENT. Corrosion Management System for existing atmospherically exposed conventionally reinforced concrete structures. For corrosion specialists, civil engineers, structural engineers, and asset owners.
This AMPP standard practice provides a structure for setting up and maintaining a Corrosion Management System (the System) for existing atmospherically exposed reinforced concrete structures. This standard is concerned with the risk-based management of corrosion to maintain the safe operation of structures and to minimize the risk of unexpected failures and unplanned closures and outages. The Standard applies to any reinforced concrete structure that is atmospherically exposed including: parking structures, bridges, residential or commercial buildings, and any structures at risk of corrosion development.
The purpose of this standard is to provide the means of detecting pinholes, flaws, or holidays in a coating system that may result in its premature failure, thereby possibly decreasing the life expectancy of the asset. This standard documents the equipment and the process of using electrical current to identify these holidays in a repeatable and realistic manner for both field and shop coating applications.
HISTORICAL DOCUMENT. Guidelines for sacrificial (galvanic) cathodic protection (SACP) of reinforcing steel in atmospherically exposed concrete elements or structures. Not applicable to nonferrous, coated or galvanized reinforcement.
This AMPP standard practice presents guidelines for galvanic cathodic protection (GCP) of reinforcing steel in atmospherically exposed concrete elements or structures. These guidelines are intended for owners, engineers, architects, contractors, and those concerned with the mitigation of reinforced concrete corrosion through the application of GCP systems. The information in this standard as it relates to GCP systems is intended for atmospherically exposed concrete structures and is not applicable to concrete with nonferrous reinforcement or epoxy-coated, galvanized, or other types of coated reinforcement. GCP applications for buried and submerged reinforced concrete structures are not addressed in this standard.
Asset owners, engineers, consultants, coating contractors, inspectors, and others are specifying allowable levels of surface soluble salts to prevent premature coating failures. The purpose of this standard is to provide guidance about the number of and locations for soluble salt tests on steel surfaces.
This standard establishes siting and frequency requirements for soluble salt testing before the application of a subsequent coating system to previously coated substrates and replacement substrate material. It does not include allowable limits of soluble salts, which are typically addressed by the procurement documents or the coating manufacturer’s documentation.
This standard practice describes appropriate prevention and mitigation measures that can be applied to RC and PC structures that are, or can be, exposed to stray-currents from external sources in order to minimize or eliminate stray-current corrosion. This standard practice addresses only steel corrosion related issues, and does not deal with issues of safety and hazards to people or structures associated with DC and AC voltages; these are covered in national standards and regulations, such as EN 50443 and EN 50122-1.
Two test methods for evaluating - to an expected lifetime criterion - embeddable anode materials (such as titanium (Ti) mesh) for cathodic protection (CP) of atmospherically exposed steel-reinforced concrete.
Fluorourethane coatings based on FEVE, fluoroethylene vinyl ether chemistry, have been used globally for over 30 years. This technology has a proven record of outstanding performance against exposure to the elements and has been used in applications ranging from aerospace to architectural structures. Recently, the bridge market has taken notice of this high performance, especially in harsh marine environments. Resistance to degradation by UV light is important to the longevity of a bridge structure, but it could be argued that corrosion resistance is the key performance indicator for a protective topcoat.