Research Article
Apr 1977
Proof-Load Factors and Reliability
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VIEW THE REPLYAuthors: Yozo Fujino and Niels C. Lind, M.ASCEAuthor Affiliations
Publication: Journal of the Structural Division
Volume 103, Issue 4
Abstract
For a complete implementation of second moment reliability concepts in structural design codes, rules must be established for proof-loading tests on the basis of a safety index or of proof-load factors derived therefrom. The safety index after test is defined conveniently (as a distance in an associated Gaussian probability space) as an extended definition of the Hasofer-Lind safety index. Limitations of this safety index in the context of proof-load tests are considered. Two categories are studied: Active proof-load tests, in which the purpose is to determine the optimal design parameter given a successful test on a particular structure prior to service; and passive tests, leading to reliability statements about a structure during or prior to service. Examples show how to calculate the proof-load factors. Current building standards provisions on proof-load tests are examined from the reliability point of view.
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Information
Published In
Journal of the Structural Division
Volume 103 • Issue 4 • April 1977
Pages: 853 - 870
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Apr 1977
Published online: Feb 1, 2021
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Yozo Fujino
Research Asst., Dept. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada
Niels C. Lind, M.ASCE
Prof. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada
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