AMPP Store - Products tagged with 'carbonation'

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02256 CATHODIC PROTECTION SHORTING STRAP INDUCED CORROSION AND FAILURE OF PRESTRESSED CONCRETE PIPE

Product Number: 51300-02256-SG

ISBN: 02256 2002 CP

Author: William H. Hartt and Richard O. Lewis

Publication Date: 2002

$20.00

Prestressed concrete cylinder pipe pipeline sections projected to exhibit wire breaks were detected - and one not so - were excavated, removed, inspected, and dissected. Corrosion had initiated upon the inner surface of shorting straps and spread to the prestressing wires. A mechanism for this corrosion is presented and the findings discussed.

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07301 MIGRATING CORROSION INHIBITORS FOR REINFORCED CONCRETE STRUCTURES

Product Number: 51300-07301-SG

ISBN: 07301 2007 CP

Author: M. Ormellese, F. Bolzoni, E.R. Perez, and S. Goidanich

Publication Date: 2007

$20.00

The effectiveness of organic commercial migrating inhibitors on steel reinforcements corrosion. Four series of concrete specimens were cast. Two organic migrating inhibitors were applied. Free corrosion potential and corrosion rate of steel rebar were periodically monitored for five years. Results show that migrating inhibitors are not effective in reducing corrosion rate.

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51318-11195-Criteria for Protective Film Growth on Carbon Steel Rebar in a Carbonation Process

Product Number: 51318-11195-SG

Author: Yoon-Seok Choi / K. Channa R. De Silva / Xiang Yong / David Young / Srdjan Nesic

Publication Date: 2018

$20.00

This research was to determine if an iron carbonate (FeCO3) layer can be effective for prevention of CO2 corrosion of steel rebars, associated with production and use of carbonated calcium silicate cement-based concrete.

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Carbonation-Induced Corrosion Assessment for Reinforced Concrete Structures

Product Number: 51324-21169-SG

Author: Kingsley Lau; Samanbar Permeh; Sepehr Faridmarandi; Mansoureh Ghahfarokhi; Atorod Azizinamini

Publication Date: 2024

$40.00

Rebar corrosion induced by carbonation of concrete can occur in structures in both wet and dry exposures. This corrosion can become increasingly relevant in buildings as housing structures age and concrete carbonation occurs. The corrosion risk can vary depending on inter-related factors that include design, materials, and environmental exposure. The risk of corrosion furthermore can be assessed by the corrosion initiation and propagation phases. In this work two sets of testing were performed, including large scale concrete column testing to assess the corrosion behavior of steel subjected to loading and small-scale concrete testing to identify the effect of material and moisture condition environments on carbonation penetration. Concrete was cast with different water-to-cement ratio, limestone aggregate size, and conditioned in various moisture environments. The concrete specimens conditioned in wet conditions maintained in extended accelerated carbonation conditioning for up to 1 month of continuous carbonation of near 100% CO2 at 20 psi did not yield any significant carbonation penetration due to the slow rate of CO2 penetration. Concrete carbonation for the concrete specimens maintained in the dry condition fully carbonated within 67 hours and significant carbonation occurred for the concrete specimens maintained at 75%RH. In the carbonated concrete, the corrosion rate ranged from 0.2-0.8 µA/cm2. In presence of an external compressive force, the corrosion rates were similar; however, the time to corrosion initiation was delayed in time by a factor of 1.6-2. It is evident that both corrosion initiation and propagation should be considered when establishing recommendations for structural health monitoring and inspection.

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Corrosion Risk Assessment, Load Considerations and Corrosion Engineering Solutions for Aging Structures That Exhibit Accelerated Corrosion in Corrosive Environments

Product Number: 51323-19543-SG

Author: Mehrooz Zamanzadeh, Clinton Char, George T. Bayer, Peyman Taheri, Anil Kumar Chikkam

Publication Date: 2023

$20.00

Structural engineering analysis is an important part of condition assessment of aging concrete structures. Structural engineers involved in condition assessment, maintaining, and repairing concrete structures need to be informed of the principles and practice of corrosion risks facing aging concrete structures. The approach towards this issue, from a corrosion engineer’s standpoint, is to do an inspection/condition assessment before making any form of judgements or recommendations.

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Review of Mitigation of Carbonation-Induced Corrosion With UHPC

Product Number: 51323-18977-SG

Author: Kingsley Lau, Samanbar Permeh, Sepehr Faridmarandi, Atorod Azizinamini

Publication Date: 2023

$20.00

Recent occurrences of high visibility structural failures have spurred interest to revisit inspection and repair of aging reinforced concrete structures. Chloride-induced corrosion can cause premature damage of structures in coastal regions. Corrosion induced by carbonation of the concrete and the concrete pore water, on the other hand can occur in many other environments including structures in both wet and dry exposures. This type of corrosion can become increasingly relevant in residential buildings as housing structures age to where sufficient carbonation occurs at reinforcing steel depths.

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SP0187-2017-SG (formerly RP0187), Design for Corrosion Control of Reinforcing Steel in Concrete.

Product Number: 21034-SG

ISBN: 1-57590-012-2

Publication Date: 2017

$109.00

Corrosion control methods for structures made of steel-reinforced portland cement concrete. Causes of corrosion of the reinforcing steel and control methods.

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Specifying Concrete Coating Projects in Water and Wastewater Treatment Structures

Product Number: 41215-915-SG

Author: Manuel Najar

Publication Date: 2015

$20.00

There are several design factors that need to be considered when specifying coatings in water and wastewater concrete structures. Issues include treating surfaces with exposed aggregate, with a low pH, and exposed reinforcing steel. This paper will present three examples of important design considerations based on field experiences that can avert lining performance problems and impacts on a project schedule or budget. Specific examples from a number of projects will be used to illustrate these design considerations.

Products tagged with 'carbonation'

Association for Materials Protection and Performance