07.12.2017

DNV—GL — CORRODED PIPELINES

DNV-GL - Corroded pipelines

Author(s) DNV-GL
Publisher DNV-GL
Date 2017
Pages 123
Format pdf
Size 7 Mb
D O W N L O A D

 

 

 

 

 

 

The present recommended practice issued by DNV GL, one of the world leaders in classification, was released to provide required technical recommendations applicable to the assessment of the pipelines that contain corrosion defects and subjected either to the internal procedure loading only or loading taken together with the longitudinal compressive stresses.

The publication describes two approaches that are used to perform the assessment of the different defects of corrosive nature, differing with their design philosophy. The content of the document is presented in five sections providing general info and describing the methodology, allowable stress and calibrated safety factor approaches, together with the useful references.

There are also five appendices giving real examples for both of the above mentioned approaches to the assessment of defects, and addressing such important areas as the calculation of the measurement accuracies, burst capacity equation and devoted to the proper assessment of the long axial defects. An excellent and highly informative publication prepared by the recognized specialists in the field and containing all necessary information.

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