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Crack Detection in Pipes Using Static Deflection Measurements
Abstract A method of detection of crack location based on measurement of deflection of long pipes under bending loads is presented in this paper. Crack is considered to be cross-sectional with straight front parallel to its diameter and perpendicular to the plane of deflection. The crack is modelled by a rotational spring whose stiffness can be determined using the linear elastic fracture mechanics approach. Pipes supported like cantilever and simply supported beams have been examined. The details of the method are presented. Experiments have been carried out using steel and aluminium pipes to demonstrate the effectiveness of the method. Cracks were introduced by wire-cut machining. The crack locations have been theoretically predicted with error less than 9 %.
Crack Detection in Pipes Using Static Deflection Measurements
Abstract A method of detection of crack location based on measurement of deflection of long pipes under bending loads is presented in this paper. Crack is considered to be cross-sectional with straight front parallel to its diameter and perpendicular to the plane of deflection. The crack is modelled by a rotational spring whose stiffness can be determined using the linear elastic fracture mechanics approach. Pipes supported like cantilever and simply supported beams have been examined. The details of the method are presented. Experiments have been carried out using steel and aluminium pipes to demonstrate the effectiveness of the method. Cracks were introduced by wire-cut machining. The crack locations have been theoretically predicted with error less than 9 %.
Crack Detection in Pipes Using Static Deflection Measurements
Naik, S. S. (author)
Journal of The Institution of Engineers (India): Series C ; 93 ; 209-215
2012-07-01
7 pages
Article (Journal)
Electronic Resource
English
Wiley | 2022
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Requirements for recording and analysing deflection measurements in buried flexible pipes
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