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Vehicle Weight Estimation Using Wireless Accelerometers on a Steel-Box Girder Bridge

 Vehicle Weight Estimation Using Wireless Accelerometers on a Steel-Box Girder Bridge
Autor(en): , , , ,
Beitrag für IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019, veröffentlicht in , S. 805-810
DOI: 10.2749/newyork.2019.0805
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While the traffic loads need to be understood toward efficient management of bridges, the loads on each bridge are not well assessed. An easy‐to‐implement vehicle weight estimation technique toward...
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Bibliografische Angaben

Autor(en): (The University of Tokyo)
(The University of Tokyo)
(The University of Tokyo)
(The University of Tokyo)
(University of Tsukuba)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: The Evolving Metropolis, New York, NY, USA, 4-6 September 2019
Veröffentlicht in:
Seite(n): 805-810 Anzahl der Seiten (im PDF): 6
Seite(n): 805-810
Anzahl der Seiten (im PDF): 6
DOI: 10.2749/newyork.2019.0805
Abstrakt:

While the traffic loads need to be understood toward efficient management of bridges, the loads on each bridge are not well assessed. An easy‐to‐implement vehicle weight estimation technique toward Bridge Weigh‐In‐Motion (BWIM) is developed based on wireless accelerometers; the algorithm is studied for the application to ordinary road bridges where traffic speed is not necessarily high and drive speed fluctuation is not insignificant. The method uses only accelerometers installed on the girders, decreasing installation cost and time which typical BWIM systems based on strain measurement need. A measurement system consisting of battery operated wireless sensors is employed. The system can continue to work over weeks to assess the vehicle weigh distributions of days of a week. The system is installed on a continuous box‐girder bridge and the performance is examined. The system was shown to assess the weight of all heavy vehicles.