Type

Journal Article

Authors

Eugene J. O'Brien
Arturo González
P. McGetrick

Subjects

Engineering

Topics
structural health monitoring damage detection bridges live loads road profile bridges testing vehicle bridge condition monitoring

Theoretical investigation of the use of a moving vehicle to identify bridge dynamic parameters (2009)

Abstract Pavements and bridges are subject to a continuous degradation due to traffic aggressiveness, ageing and environmental factors. A rational transport policy requires the monitoring of this transport infrastructure in order to provide adequate maintenance and guarantee the required levels of transport service and safety. This paper investigates the use of an instrumented vehicle fitted with accelerometers on its axles to monitor the dynamics of bridges. A simplified quarter car-bridge interaction model is used in theoretical simulations and the natural frequency of the bridge is extracted from the spectra of the vehicle accelerations. The accuracy is better at lower speeds and for smooth road profiles. The structural damping of the bridge was also monitored for smooth and rough road profiles. The magnitude of peaks in the power spectral density of the vehicle accelerations decreased with increasing bridge damping and this decrease was easier to detect the smoother the road profile.
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

Eugene J. O'Brien, Arturo González, P. McGetrick

Experts in our system

1
Eugene J. O'Brien
University College Dublin
Total Publications: 192
 
2
Arturo González
University College Dublin
Total Publications: 106
 
3
P. McGetrick
University College Dublin
Total Publications: 17