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  • Determination of strain correction factors for bridge weigh-in-motion systems
    Žnidarič, Aleš ; Turk, Goran ; Zupan, Eva
    The paper presents an automatic procedure for the correction of bridge weigh-in-motion (B-WIM) measurements, which are used to determine the axle loads of heavy vehicles using instrumented bridges. ... According to the European specifications for weigh-in-motion criteria, using this procedure the weighing results could be improved by up to one accuracy class. Whereas measurements performed on steel structures provide reliable information about the global behaviour of individual bridges, which is accounted for in the B-WIM algorithms, cracks that are present in concrete structures can, depending on their locations with respect to installed strain transducers, amplify or reduce the response. In the present work special care was taken to detect and calibrate any strain transducer which showed a disproportional response. The accuracy of the method was investigated numerically in relation to the extensive data which were available in the case of a reinforced concrete bridge (motorway underpass), located near Ljubljana, Slovenia, and then validated by a one-to-one comparison of the B-WIM weighing results and the statically weighed test vehicles.
    Vir: Engineering structures. - ISSN 0141-0296 (Vol. 102, Nov. 2015, str. 387-394)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2015
    Jezik - angleški
    COBISS.SI-ID - 7254113

    Povezava(-e):

    Repozitorij Univerze v Ljubljani – RUL
    DOI

vir: Engineering structures. - ISSN 0141-0296 (Vol. 102, Nov. 2015, str. 387-394)
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