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Methodology for soil-corrosion study of underground pipeline

Md. Nor, Norhazilan and Yahaya, Nordin and Ozman, N. A. N. and Napiah, N. M. A. and Abdullah, Z. (2010) Methodology for soil-corrosion study of underground pipeline. In: The International Conference On Plant Equipment and Reliability 2010, ICPER 2010 , 15-17 June 2010, Kuala Lumpur, Malaysia.

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Abstract

Pipeline integrity management programs address a wide range of threats to safe operations. Among these threats, external corrosion has been among the most dominant failure mechanism experienced by buried steel pipelines. External corrosion can be detected through a variety of assessment methods, including inline inspection (ILI) and external corrosion direct assessment (ECDA). In the absence of data from inspection, the corrosion rate can be estimated based on the use of buried corrosion coupons, corrosion probes and corrosion rate modelling using data derived from soil analysis. The objective of the paper is to design a methodology of the external growth modelling of corrosion on buried gas pipelines under various exposures to soil conditions. The expected finding of this research is an empirical model of corrosion growth suitable for Malaysian soil condition. The model is capable to predict the likelihood of growth rate experienced by the buried lines under various soil condition and exposure. Hence, can greatly assist operator to secure the integrity of their pipelines until the structure reaches its designed lifetime. Methodology for Soil-Corrosion Study of Underground Pipeline.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Pipeline
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Civil Engineering
ID Code:24094
Deposited By: Mrs Liza Porijo
Deposited On:21 Jun 2012 08:13
Last Modified:30 Jul 2017 01:01

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