Using Weigh-in-Motion Data to Determine Aggressiveness of Traffic for Bridge Loading

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Title: Using Weigh-in-Motion Data to Determine Aggressiveness of Traffic for Bridge Loading
Authors: O'Brien, Eugene J.
Enright, Bernard
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Date: Mar-2013
Abstract: This paper presents results based on the analysis of an extensive database of weigh-in-motion (WIM) data collected at five European highway sites in recent years. The data are used as the basis for a Monte Carlo simulation of bridge loading by two-lane traffic, both bidirectional and in the same direction. Long runs of the simulation model are used to calculate characteristic bridge load effects (bending moments and shear forces), and these characteristic values are compared with design values for bridges of different lengths as specified by the Eurocode for bridge traffic loading. Various indicators are tested as possible bases for a bridge aggressiveness index to characterize the traffic measured by the WIM data in terms of its influence on characteristic bridge load effects. WIM measurements can thus be used to determine the aggressiveness of traffic for bridges. The mean maximum weekly gross vehicle weight is proposed as the most effective of the indicators considered and is shown to be well correlated with a wide range of calculated characteristic load effects at each site.
Funding Details: European Research Council
Type of material: Journal Article
Publisher: American Society of Civil Engineers
Journal: Journal of Bridge Engineering
Volume: 18
Issue: 3
Start page: 232
End page: 239
Copyright (published version): 2013 American Society of Civil Engineers
Keywords: Bridge loadsAssessmentSimulation modelsWeightLoad factors
DOI: 10.1061/(ASCE)BE.1943-5592.0000368
Language: en
Status of Item: Peer reviewed
Appears in Collections:Earth Institute Research Collection
Civil Engineering Research Collection

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