Highway bridge live loading assessment and load carrying capacity estimation using a health monitoring system

P. Moyo, J.M.W. Brownjohn, P. Omenzetter

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)
10 Downloads (Pure)

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.
Original languageEnglish
Pages (from-to)609-626
Number of pages18
JournalStructural Engineering and Mechanics
Volume18
Issue number5
DOIs
Publication statusPublished - 1 Nov 2004

Keywords

  • bridge assessment
  • bridge live loading
  • extreme value statistics
  • structural health monitoring

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