Reliability and Redundancy Assessment of Prestressed Truss Bridges

by Bilal M. Ayyub, Univ of Maryland, United States,
Ahmed Ibrahim, Univ of Maryland, United States,



Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract:

Methods for the assessment of the reliability and redundancy of post-tensioned trusses are suggested. The effect of tendon layout on the reliability and redundancy of post-tensioned trusses is investigated. Post-tensioning enlarges the elastic range, increases fatigue resistance, redundancy, reliability, and reduces deflection and member stresses.

Subject Headings: Trusses | Truss bridges | Tension | Structural reliability | Structural analysis | Bridge tests | Tendons

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