Bridge Live Load Models

by Robert J. Heywood, Queensland Univ of Technology,
Andrzej S. Nowak, Queensland Univ of Technology,



Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract:

This paper describes the analysis of weigh-in-motion data and the conclusions drawn. Statistical distributions of the effects induced in typical bridges due to single vehicle events are presented. Extrapolated serviceability and ultimate limit state effects are compared with National Association of Australian State Road Authorities bridge design loading and the inconsistencies discussed. The variations around the world in the definitions of the design life and return periods for serviceability conditions are discussed in relation to the results of the analysis.

Subject Headings: Load and resistance factor design | Bridge design | Highway and road design | Structural design | Maintenance and operation | Highway bridges | Bridge-vehicle interaction

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