Research Article
Sep 1982
Probabilistic Evaluation of Welded Structures
Publication: Journal of the Structural Division
Volume 108, Issue 9
Abstract
Some deficiencies in structual welding, particularly when thousands of welds are installed, are expected. This deficiency may or may not compromise the strength of the joint or the structural element. A deterministic evaluation of this deficiency may not be possible. A probabilistic procedure is suggested. Limited sampling information from the site is used to develop this methodology. Sampling information obtained from a project should be checked before the information is used for any statistical prediction. The χ2 test of homogeneity could be used to check the homogeneity of the samples. The hyperbinomial distribution may be the most appropriate distribution to study the characteristics of a group of welds. It considers the effect of sample size on the prediction. A large sample size is always beneficial, but the cost-benefit ratio for the collection of samples should be studied before any decisions are made. The method suggested here would help to study this area. Repairing the welds, whenever necessary, is the final step. This method is a safe, economical and conservative solution to this complex problem.
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Information
Published In
Journal of the Structural Division
Volume 108 • Issue 9 • September 1982
Pages: 1943 - 1955
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Sep 1982
Published online: Feb 1, 2021
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Authors
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Achintya Haldar, M.ASCE
Asst. Prof., School of Civ. Engrg., Georgia Inst. of Tech., Atlanta, Ga.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.