Implementation of a Long-Term Bridge Weigh-In-Motion System for a Steel Girder Bridge in the Interstate Highway System

This technical paper discusses the implementation of a long-term bridge weigh-in-motion system for use in determining gross vehicle weights of trucks crossing steel girder bridges. The system uses strain data to determine truck weights using an existing structural health monitoring system installed...

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Bibliographic Details
Published in:Journal of bridge engineering 2009-11, Vol.14 (6), p.418-423
Main Authors: Cardini, A. J, DeWolf, John T
Format: Article
Language:English
Subjects:
Axles
Bridges (structures)
Detectors
Diagnostic systems
Gain
Girder bridges
Girders
Highway bridges
Highways
Iron and steel industry
Maintenance
Monitoring
Roadways
Steel bridges
Steel making
Strain
Strain gauges
Structural steels
TECHNICAL PAPERS
Trucks
Weight
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Summary:This technical paper discusses the implementation of a long-term bridge weigh-in-motion system for use in determining gross vehicle weights of trucks crossing steel girder bridges. The system uses strain data to determine truck weights using an existing structural health monitoring system installed on a interstate highway bridge. The applied system has the advantage of not using any axle detectors in the roadway; and instead all analyses are performed using strain gauges attached directly to the steel girders, providing for a long-term monitoring system with minimal maintenance. Long-term data has been used to demonstrate that this method can be readily applied to gain important information on the quantity and weights of the trucks crossing the highway bridge.
ISSN:1084-0702
1943-5592
DOI:10.1061/(ASCE)1084-0702(2009)14:6(418)