Type

Journal Article

Authors

Colin C. Caprani
Eugene J. O'Brien

Subjects

Engineering

Topics
traffic load traffic flow measurement headway bridges live loads statistics bridge gap

Headway modelling for traffic load assessment of short to medium span bridges (2005)

Abstract Site-specific assessment of the loading to which existing bridges are subject has considerable potential for saving on rehabilitation and replacement costs of the bridge stock. Monte Carlo simulations, with traffic measurements from site, are used to estimate the characteristic values for load effects. In this paper, it is shown that the critical loading events from which the characteristic effects are derived, are strongly dependent on the assumptions used for the headways of successive trucks. A new approach which uses measured headway statistical distributions is developed and is shown to be a reasonable balance between conservative assumptions and less realistic scenarios. The sensitivity of characteristic load effects to conventional headway assumptions is shown to be significant.
Collections Ireland -> University College Dublin -> Critical Infrastructure Group Research Collection
Ireland -> University College Dublin -> Interdisciplinary Centres & Research Groups
Ireland -> University College Dublin -> Civil Engineering Research Collection
Ireland -> University College Dublin -> College of Engineering & Architecture
Ireland -> University College Dublin -> Critical Infrastructure Group
Ireland -> University College Dublin -> School of Civil Engineering

Full list of authors on original publication

Colin C. Caprani, Eugene J. O'Brien

Experts in our system

1
Colin C. Caprani
University College Dublin
Total Publications: 42
 
2
Eugene J. O'Brien
University College Dublin
Total Publications: 192