Journal
ENGINEERING STRUCTURES
Volume 81, Issue -, Pages 341-348Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2014.10.003
Keywords
Inelastic analysis; Nonlinear frame analysis; Probability-based design; Steel; Structural engineering; Structural reliability; System reliability
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Funding
- Australian Research Council [DP110104263]
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Several steel design specifications worldwide have incorporated provisions for designing through inelastic analysis of overall system behavior. However, requirements for minimum system reliability have been implemented in such design-by-inelastic analysis methods through a simple adaptation of resistance factors originally developed from member reliability considerations. This paper examines system resistance factors through a system reliability analysis of two steel moment frames subjected to combined gravity and wind loads. The frames are designed using second-order inelastic analysis and their strength and serviceability reliabilities are evaluated. The effects on the system reliabilities of system resistance factor and wind-to-gravity load ratio are examined. The paper also identifies some research issues that should be addressed prior to implementing a system reliability-based design methodology. Crown Copyright (C) 2014 Published by Elsevier Ltd. All rights reserved.
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