Crack Detection of Pipe Using Static Deflection Measurement Method

Crack Detection of Pipe Using Static Deflection Measurement Method
Authors : Jatin M. Patel, Prof. Mitesh J. Mungla
Publication Date: 03-01-2014


Author(s):  Jatin M. Patel, Prof. Mitesh J. Mungla

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Vol. 3 - Issue 1 (January - 2014)

e-ISSN:   2278-0181


A method of detection of crack location based on measurement of deflection of long pipes under bending loads is presented in this work. Crack is considered to be cross-sectional with straight front parallel to its diameter and perpendicular to the plane of deflection. The crack is modeled by a rotational spring whose stiffness can be determined using the linear elastic fracture mechanics approach. The identification of a single crack in a beam based on the damage-induced variations in the static deflection of that beam. Pipes supported like cantilever beams have been examined. The details of the method are presented. Experiments have been carried out using steel, aluminum and U-PVC pipes to demonstrate the effectiveness of the method. Cracks were introduced by wire-cut machining.


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