AMPP Store - Products tagged with 'reinforcing steel'

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AMPP SP21520-2023, Acceptance Criteria for Cathodic Protection of Steel in Concrete Structures

Product Number: AMPP SP21520-2023

Publication Date: 2023

$109.00

Historically, NACE SP0290, NACE SP0216, and NACE SP0408 included sets of criteria that needed to be satisfied to indicate that a cathodic protection (CP) system is delivering adequate current to passivate the reinforcing steel or reduce its corrosion current to low and non-destructive levels. These criteria were mostly the same, so the aim of this standard is to set out the essential criteria that each one of the above standards must satisfy in a single document. This allows each of the above standards, which deal with different applications of cathodic protection, to concentrate and expand on aspects that are specific for each application. This standard further suggests techniques that can be employed to estimate the level of protection achieved by a non-compliant cathodic protection method.

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Cathodic Protection on Steel Reinforced Concrete Marine Structures

Product Number: 51317--9219-SG

ISBN: 9219 2017 CP

Author: Douglas Leng

Publication Date: 2017

$20.00

The use of cathodic protection has become the preferred method for mitigating corrosion of steel reinforcement in concrete. A wide variety of both impressed current and sacrificial systems have been effectively used to control the effects of corrosion.

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Forensic Evaluation of Long-Term Galvanic Cathodic Protection of Bridge Pilings in a Marine Environment

Product Number: 51320-14485-SG

Author: Douglas L. Leng, Matthew Duncan, Ivan R. Lasa

Publication Date: 2020

$20.00

Marine environments can be very aggressive and present significant challenges in maintaining key infrastructure from the effects of corrosion. In Florida, thousands of bridges are in coastal areas and are continually, or periodically exposed to saltwater conditions. A clear majority of these bridges were constructed using steel reinforced concrete and are supported by precast pilings situated in saltwater, so for this reason, cathodic protection is a necessary strategy for controlling the effects of saltwater induced corrosion.

Toward the early 1980s, the Florida Department of Transportation (FDOT) began the evaluation of different approaches to control saltwater induced corrosion. Some of these included the use of integral pile jackets, specialty materials for concrete repairs, surface applied coatings and other innovative approaches utilizing galvanic anode technology. One such system was jointly developed with industry partners and sponsored by the Federal Highway Administration (FHWA) using integral pile jackets lined with expanded zinc mesh anodes to apply cathodic protection. This innovative approach provides for the problem of concrete repair while at the same time stopping the on-going process of corrosion both combined in one application. Both laboratory and field trials validated the benefits to this approach and confirmed that the system can mitigate corrosion and extend the useful service life of pilings by more than 20 years.

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NACE Publication 01101-2018-SG, Electrochemical Chloride Extraction from Steel-Reinforced Concrete -A State-of-the-Art Report

Product Number: 24214-SG

ISBN: 1-57590-386-5

$109.00

This report is intended for use by engineers attempting to protect corroding reinforced concrete structures by the use of electrochemical treatment techniques. The information presented in this report is limited to ECE for atmospherically exposed reinforced concrete.

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NACE Publication 21428-2018 - Corrosion Inhibiting Admixtures for Reinforced Concrete-A State of the Art Report

Product Number: 21428-SG

Publication Date: 2018

$109.00

The purpose of this technical committee report is to provide specifiers, designers, and corrosion control personnel information to control the corrosion of conventional reinforcing steel in hydraulic cement concrete using corrosion inhibiting admixtures.

This report describes several types of materials used as corrosion inhibiting admixtures, their selection and evaluation, their proportioning into freshly mixed concrete, and their effects on fresh and hardening/hardened concrete. Corrosion inhibiting admixtures may help delay corrosion initiation and extend the interval of corrosion propagation.

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Primer For The Inspection, Testing, And Analysis Of Electrically Continuous Reinforced Concrete Structures

Product Number: 51322-17514-SG

Author: Samuel R. Rivera Jr.

Publication Date: 2022

$20.00

Population growth in city centers has spurred the expansion and new construction of direct current (DC) powered transit systems throughout the world1. Despite stringent design criteria, quality assurance and quality control (QA/QC) monitored construction practices and ongoing track maintenance, it is a fact that DC stray current will eventually occur and negatively impact buried and/or submerged metallic structures immediately adjacent and within the transit right-of-way (ROW)2. In combination with other methods to reduce stray current such as high track-to-earth (TTE) resistance values and shorter distances between substations, transit agencies are specifying the welding of reinforced steel structures within their purview such as retaining walls and footings, approach slabs, aerial inverts, and bridge abutments to prevent stray current from reducing the design life of surrounding metallic
structures.

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Recent Developments in the Worldwide Use - Performance of Hot-Dip Galvanized (HDG) Rebar

Product Number: 51324-20825-SG

Author: John Krzywicki

Publication Date: 2024

$40.00

This presentation and accompanying research summary demonstrate hot-dip galvanized (HDG) rebar’s performance protecting reinforced concrete structures and highlight technical research confirming its chloride durability in concrete via a study conducted by the Galvanizers Association of Australia (GAA). The resulting study also produced a model for determining chloride penetration in concrete and concludes that reduced concrete cover can be considered in structures that use HDG rebar, which has a substantial impact on sustainability (raw material usage and length of service). Along with this new research on chloride durability modeling, a review of recent case studies, inspections and installations confirms its longevity and growing popularity amongst specifiers to provide long term corrosion resistance in concrete.

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SP0390-2019, Maintenance and Rehabilitation Considerations for Corrosion Control of Atmospherically Exposed Existing Steel-Reinforced Concrete Structures

Product Number: 21044-2019

ISBN: 1-57590-059-9

Publication Date: 2019

$109.00

Reaffirmed (with editorial changes) in 2019. Presents corrosion control guidelines that are applicable to existing atmospherically exposed structures made of concrete conventionally reinforced with carbon steel. These guidelines should be used primarily when repair or rehabilitation is being implemented because of deterioration resulting from the corrosion of steel reinforcement. Includes sections on Periodic Inspection and Routine Maintenance of reinforced-concrete structures (site survey, structural survey, repair options), Assessment of Reinforced Concrete Structures, and Corrosion Control Techniques and Repair Strategy. Corrosion control techniques that are described include surface treatments, removal of concrete, and electrochemical treatments, including ECE, ER, and cathodic protection.

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SP0408-2019, Cathodic Protection of Reinforcing Steel in Buried or Submerged Concrete Structures

Product Number: 21133-2019

ISBN: 1-57590-223-0

Publication Date: 2019

$109.00

This NACE standard presents guidelines for cathodic protection (CP) of reinforcing steel in buried or submerged concrete structures. These guidelines provide corrosion control personnel with information to control corrosion of conventional reinforcing steel in portland cement concrete structures through the application of CP. The guidelines presented in this standard are limited to CP systems for new or existing buried or submerged reinforced concrete elements.

Products tagged with 'reinforcing steel'

Association for Materials Protection and Performance