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  • Recent advancements in accuracy and robustness of Bridge WIM systems [Elektronski vir]
    Žnidarič, Aleš ...
    WIM systems are typically divided into two families of technologies, the pavement and the bridge ones. They both provide equivalent information about heavy duty vehicles crossing the system: exact ... time stamp, gross weight, axle loads and spacings, vehicle velocity, its category etc. While the pavement syst ems use strip or plate sensors embedded into the pavement, the bridge weigh - in - motion (B - WIM) ones apply sensors attached to the superstructure of existing bridges or culverts. Th is paper describes advancements in accuracy and long - term stability of the B - WIM system that were achieved within a 2 - year research project financed by the European Commission. Features that resulted in two to four accuracy class improvements according to European WIM specifications are novel axle detection method, better calculati on of experimental influence lines, consideration of measurement errors as well as correction of temperature and velocity effects. A new data quality assurance procedure also added value to the results of B - WIM measurements.
    Source: ICWIM7 [Elektronski vir] (Str. 348-357)
    Type of material - conference contribution ; adult, serious
    Publish date - 2016
    Language - english
    COBISS.SI-ID - 2274151