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Structural Engineering and Mechanics Volume 18, Number 5, November 2004 , pages 609-626 DOI: https://doi.org/10.12989/sem.2004.18.5.609 |
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Highway bridge live loading assessment and load carrying capacity estimation using a health monitoring system |
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Pilate Moyo, James Mark William Brownjohn and Piotr Omenzetter
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| 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 | ||