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Updating robust reliability using structural test data

Papadimitriou, C. and Beck, J. L. and Katafygiotis, L. S. (2001) Updating robust reliability using structural test data. Probabilistic Engineering Mechanics, 16 (2). pp. 103-113. ISSN 0266-8920. doi:10.1016/S0266-8920(00)00012-6.

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The concept of robust reliability is defined to take into account uncertainties from structural modeling in addition to the uncertain excitation that a structure will experience during its lifetime. A Bayesian probabilistic methodology for system identification is integrated with probabilistic structural analysis tools for the purpose of updating the assessment of the robust reliability based on dynamic test data. Methods for updating the structural reliability for both identifiable and unidentifiable models are presented. Application of the methodology to a simple beam model of a single-span bridge with soil-structure interaction at the abutments, including a case with a tuned-mass damper attached to the deck, shows that the robust reliabilities computed before and after updating with "measured" dynamic data can differ significantly.

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Papadimitriou, C.0000-0002-9792-0481
Additional Information:© 2001 Elsevier Science Ltd. Received 1 March 1999; received in revised form 1 March 2000; accepted 1 April 2000. This paper is based upon work supported partly by the Hong Kong Research Grant Council under grants HKUST 639/95E and 6041/97E, and partly by the Paci®c Earthquake Engineering Research Center under National Science Foundation Cooperative Agreement No. CMS-9701568. This support is gratefully acknowledged. The assistance of Dr. Hui Fai Lam, HKUST, and graduate student Siu Kui Au, Caltech, are also gratefully acknowledged.
Funding AgencyGrant Number
Hong Kong Research Grant CouncilHKUST 639/95E
Hong Kong Research Grant CouncilHKUST 6041/97E
Subject Keywords:System identification, Bayes theorem, Structural reliability, Condition assessment, Model updating, Structural control
Issue or Number:2
Record Number:CaltechAUTHORS:20120810-105157315
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:33082
Deposited By: Sydney Garstang
Deposited On:13 Aug 2012 21:08
Last Modified:09 Nov 2021 21:32

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