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Products tagged with 'galvanic couple'

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Picture for An Investigation of Failure at Road Crossings for Oil & Gas Pipelines
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An Investigation of Failure at Road Crossings for Oil & Gas Pipelines

Product Number: 51324-20753-SG
Author: Yasar Irshad; Ahmad Raza Khan Rana
Publication Date: 2024
$40.00
The segments of pipelines under highway crossings and rail crossings require additional considerations in their design and construction due to variable loadings, limited access, and other external factors. This paper discusses the outcomes of a study carried out to investigate the potential factors that contributed to pitting corrosion resulting in pipeline failure at a road crossing section. This paper will highlight the impact of underground water containing corrosive compounds such as chlorides in the failure of pipelines. The insights derived from this research will allow engineers to select the ideal construction methodology, choose suitable coating and insulating materials and implement adequate inspection and monitoring approaches to limit the factors that contribute to threats of corrosion. This paper will also discuss the most suitable solution and recommendations to prevent these failures arising from pitting corrosion in underground highway crossing sections of pipelines.
Picture for Galvanic Current Density Measurements Of Anodes For Subsea Vibration Data Logger (SVDL) System
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Galvanic Current Density Measurements Of Anodes For Subsea Vibration Data Logger (SVDL) System

Product Number: 51321-16717-SG
Author: Suresh Divi; Melissa Gould; and Dan Efird
Publication Date: 2021
$20.00
Picture for Influence of grout conditions on duct-to-strand galvanic coupling within bonded internal posttensioned tendons
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Influence of grout conditions on duct-to-strand galvanic coupling within bonded internal posttensioned tendons

Product Number: 51323-19371-SG
Author: David Dukeman, Dr. Christopher Alexander
Publication Date: 2023
$20.00

External post-tensioned tendons are used in segmental precast box girder bridge construction to hold segments together and prevent service cracking. The tendons consist of multiple 7-wire prestressing strands contained within a high-density Polyethylene (HDPE) duct located within the inner opening of the box girders. They run continuously through deviator blocks, which helps form the profile of the tendon.
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