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Type: Journal article
Title: Determining the internal wall condition of a water pipeline in the field using an inverse transient
Author: Stephens, M.
Lambert, M.
Simpson, A.
Citation: Journal of Hydraulic Engineering, 2013; 139(3):310-324
Publisher: ASCE-Amer Soc Civil Engineers
Issue Date: 2013
ISSN: 0733-9429
Statement of
M. L. Stephens, M. F. Lambert, and A. R. Simpson
Abstract: The application of inverse transient analysis (ITA) to estimate the location and magnitude of lost lining and internal corrosion of metal pipelines is demonstrated for a field pipeline. The method uses a transient model and inverse search algorithm to analyze patterns of measured pressure reflections obtained after a transient pressure wave is induced in a pipeline. The method is applied in the field on a 6 km long section of a 750 mm nominal diameter steel pipeline with internal cement mortar lining. The equipment used for generating hydraulic transients and measuring pressure responses in the pipeline is described. Results of the field tests are analyzed to estimate the location and extent of internal wall damage along the pipeline. Extensive ultrasonic thickness survey results are used to corroborate the approximate location and magnitude of predicted pipeline wall damage.
Keywords: Pipelines
Field tests
Rights: © 2013 American Society of Civil Engineers
DOI: 10.1061/(ASCE)HY.1943-7900.0000665
Appears in Collections:Aurora harvest
Civil and Environmental Engineering publications

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