Journal Article


Bernard Enright
Eugene J. O'Brien
Eugene J. OBrien



structural engineering bridge weigh in motion weight load factors bridge loads weigh in motion simulation models civil engineering monte carlo simulation

Using Weigh-in-Motion Data to Determine Aggressiveness of Traffic for Bridge Loading (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.
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Full list of authors on original publication

Bernard Enright, Eugene J. O'Brien, Eugene J. OBrien

Experts in our system

Bernard Enright
University College Dublin
Total Publications: 39
Eugene J. O'Brien
University College Dublin
Total Publications: 192
Eugene J. OBrien
Dublin Institute of Technology
Total Publications: 24