Bridge weigh-in-motion system and Structural Health Monitoring using fiber optic sensors

Myra Lydon

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There have been over 3000 bridge weigh-in-motion (B-WIM) installations in 25 countries worldwide, this has led vast improvements in post processing of B-WIM systems since its introduction in the 1970’s. This paper introduces a new low-power B-WIM system using fibre optic sensors (FOS). The system consisted of a series of FOS which were attached to the soffit of an existing integral bridge with a single span of 19m. The site selection criteria and full installation process has been detailed in the paper. A method of calibration was adopted using live traffic at the bridge site and based on this calibration the accuracy of the system was determined.
Original languageEnglish
Publication statusPublished - 22 Jun 2016
EventConcrete Bridge Development Group Conference - Institute of Structural Engineers, London, United Kingdom
Duration: 22 Jun 201622 Jun 2016


ConferenceConcrete Bridge Development Group Conference
Abbreviated titleCBDG
Country/TerritoryUnited Kingdom


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