Evaluation of the structural integrity of offshore structures requires information on the reliability of nondestructive testing, the accuracy of fatigue crack growth modeling and other data. The University College London Underwater NDE Centre has been set up to provide information on the effectiveness and reliability of different nondestructive testing methods. To achieve this aim, a large library of cracked specimens will be assembled. In the preliminary phase of producing this library, a series of large-scale welded tubular joints were fatigue tested and the crack growth was fully monitored with the ACPD technique. This paper will describe briefly the background to the crack library and present the data obtained from fatigue tests. It will also describe a new model for fatigue crack growth prediction in tubular joints using fracture mechanics. This model allows the prediction of the size effect noted previously in the stress/life curves for tubular joints.
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August 1989
Research Papers
Fatigue Fracture Mechanics Modeling and Structural Integrity Assessment of Offshore Welded Tubular Joints
J. C. P. Kam,
J. C. P. Kam
NDE Centre, Department of Mechanical Engineering,
University College London, London, U.K.
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D. A. Topp,
D. A. Topp
Technical Software Consultants, Ltd., Linford Forum,
Milton Keynes, U.K.
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W. D. Dover
W. D. Dover
NDE Centre, Department of Mechanical Engineering,
University College London, London, U.K.
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J. C. P. Kam
NDE Centre, Department of Mechanical Engineering,
University College London, London, U.K.
D. A. Topp
Technical Software Consultants, Ltd., Linford Forum,
Milton Keynes, U.K.
W. D. Dover
NDE Centre, Department of Mechanical Engineering,
University College London, London, U.K.
J. Offshore Mech. Arct. Eng. Aug 1989, 111(3): 170-176
Published Online: August 1, 1989
Article history
Received:
December 1, 1987
Revised:
December 14, 1988
Online:
October 30, 2009
Citation
Kam, J. C. P., Topp, D. A., and Dover, W. D. (August 1, 1989). "Fatigue Fracture Mechanics Modeling and Structural Integrity Assessment of Offshore Welded Tubular Joints." ASME. J. Offshore Mech. Arct. Eng. August 1989; 111(3): 170–176. https://doi.org/10.1115/1.3257144
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