Simplified bridge load rating methodology using the national bridge inventory file : user manual
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1988-08-01
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Edition:Final report
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Abstract:The purpose of this research was to develop a computerized system to determine the adequacy of a bridge or group of bridges to carry specified overload vehicles. The system utilizes two levels of analysis. The Level 1 analysis is the basic rating system for the Arizona Department of Transportation. This analysis computes the overload capacity with a limited amount of data. A Level 2 evaluation, which conducts a more detailed evaluation, uses an enhanced NBIF database, Standard Plans, or a more detailed analysis similar to Brass. A Special Leel 2 analysis was also developed to analyze continuous slab bridges by utilizing data from standard slab plans.
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