Probabilistic Assessment of Concrete Structure Durability under Reinforcement Corrosion Attack
Publication: Journal of Performance of Constructed Facilities
Volume 24, Issue 6
Abstract
In the context of performance-based approaches, sustainability and whole life costing, the concrete structure durability issue has recently gained considerable attention. The present paper deals with service life assessment using durability limit states specialized for concrete structures. Both initiation and propagation periods of reinforcement corrosion are considered and a comprehensive choice of limit states is provided. The approach is based on degradation modeling and probabilistic assessment, enabling the evaluation of service life and the relevant reliability level, serving thus to facilitate the effective decision making of designers and clients. For this purpose the selected analytical models for degradation assessment are randomized and appropriate software has been developed. Three numerical examples are presented: a comparison of modeled carbonation depth with in situ measurements on a cooling tower, and analyses of crack initiation due to corrosion and loss of reinforcement cross section.
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Acknowledgments
This outcome has been achieved with the financial support of the Czech Ministry of Education, Project No. UNSPECIFIED1M0579, within the activities of the CIDEAS research center.
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Information & Authors
Information
Published In
Journal of Performance of Constructed Facilities
Volume 24 • Issue 6 • December 2010
Pages: 571 - 579
Copyright
© 2010 ASCE.
History
Received: Sep 21, 2009
Accepted: Feb 18, 2010
Published online: Feb 27, 2010
Published in print: Dec 2010
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