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Determination of strain correction factors for bridge weight-in-motion systems
ID Žnidarič, Aleš (Avtor), ID Turk, Goran (Avtor), ID Zupan, Eva (Avtor)

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PID: 20.500.12556/rul/b43a20cf-81b4-43e9-96e5-5300b7b45d22
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Izvleček
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.

Jezik:Angleški jezik
Ključne besede:WIM - weigh-in-motion, bridge response, strain gauges, nonlinear regression, correction of measurements
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FGG - Fakulteta za gradbeništvo in geodezijo
Leto izida:2015
Založnik:Elsevier
Št. strani:Str. 387-394
Številčenje:Letn. 102
PID:20.500.12556/RUL-80126 Povezava se odpre v novem oknu
UDK:624.04
ISSN pri članku:0141-0296
DOI:10.1016/j.engstruct.2015.08.026 Povezava se odpre v novem oknu
COBISS.SI-ID:7254113 Povezava se odpre v novem oknu
Datum objave v RUL:20.01.2016
Število ogledov:1542
Število prenosov:820
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Gradivo je del revije

Naslov:Engineering structures
Skrajšan naslov:Eng. struct.
Založnik:Elsevier
ISSN:0141-0296
COBISS.SI-ID:7750666 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:WIM-tehtanje med vožnjo, odzivi mostov, meritve deformacij, nelinearna regresija, korekcija meritev, gradbene konstrukcije

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