Bridge Reliability Evaluation Using 3-D Analysis and Damage Scenarios

by Dan M. Frangopol, Univ of Colorado, United States,
Rachid Nakib, Univ of Colorado, United States,
Gongkang Fu, Univ of Colorado, United States,



Document Type: Proceeding Paper

Part of: Probabilistic Methods in Civil Engineering

Abstract:

This paper reports analytical investigations into the system strength and reliability evaluation of existing bridges using 3-D inelastic analysis and damage scenarios. In this context, a measure for bridge redundancy is used. This measure offers useful information to evaluate how the overall bridge strength is affected by various damage states. Corrosion damage and accidental occurrences which remove bridge elements are considered as possible damage scenarios. Their impact on both system strength and reliability of an existing bridge is evaluated.

Subject Headings: Three-dimensional analysis | System reliability | Bridge tests | Structural strength | Elastic analysis | Structural reliability | Steel bridges

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