Techno Press
Techno Press

Structural Engineering and Mechanics
  Volume 18, Number 5, November 2004 , pages 609-626
DOI: https://doi.org/10.12989/sem.2004.18.5.609
 


Highway bridge live loading assessment and load carrying capacity estimation using a health monitoring system
Pilate Moyo, James Mark William Brownjohn and Piotr Omenzetter

 
Abstract
    The Land Transport Authority of Singapore has a continuing program of highway bridge upgrading, to refurbish and strengthen bridges to allow for increasing vehicle traffic and increasing axle loads. One subject of this program has been a short span bridge taking a busy highway across a coastal inlet near a major port facility. Experiment-based structural assessments of the bridge were conducted before and after upgrading works including strengthening. Each assessment exercise comprised two separate components; a strain and acceleration monitoring exercise lasting approximately one month, and a full-scale dynamic test carried out in a single day. This paper reports the application of extreme value statistics to estimate bridge live loads using strain measurements.
 
Key Words
    bridge assessment; extreme value statistics; structural health monitoring; bridge live loading.
 
Address
Pilate Moyo; Department of Civil Engineering, University of Cape Town, Rondebosch 7701, Cape Town, Republic of South Africa
James Mark William Brownjohn; School of Engineering, University of Plymouth, Drake Circus, Plymouth PL4 8AA, United Kingdom
Piotr Omenzetter; Department of Civil and Environmental Engineering, University of Auckland, Private Bag 92019, Auckland, New Zealand
 

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