Pipelines 2018
Investigation of Acoustic Wave Propagation and Attenuation in a Damaged Buried Pipe
Publication: Pipelines 2018: Condition Assessment, Construction, and Rehabilitation
ABSTRACT
Acoustic wave propagation has been widely applied for detection of corrosion and cracking defects in buried pipelines. Damage and defects in a pipe reduce the stiffness of the pipe, and investigating the attenuation of the guided wave is a reputable approach to detect this damage. Acoustic wave propagation based structural health monitoring (SHM), which aims to perform a nondestructive evaluation through integrated actuators and sensors, has been used extensively for condition assessment of different types of pipe in the past decade. A validated physics-based model for wave propagation, combined with field verification, is required for complete characterization (presence, location, and severity) of damages. To identify damage, the acoustic wave propagation of undamaged and damaged pipe is compared. This study illustrates the effects of damage or defects on acoustic wave response of a buried pipe. Based on the obtained results, limitations, and deficiency of acoustic wave propagation are presented and discussed.
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Information & Authors
Information
Published In
Pipelines 2018: Condition Assessment, Construction, and Rehabilitation
Pages: 259 - 268
Editors: Christopher C. Macey, AECOM and Jason S. Lueke, Ph.D., Associated Engineering
ISBN (Online): 978-0-7844-8165-3
Copyright
© 2018 American Society of Civil Engineers.
History
Published online: Jul 11, 2018
Published in print: Jul 12, 2018
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