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A new kind of smart cable with functionality of full-scale monitoring using BOTDR technique

  • Zhou Zhi*
  • , He Jianping
  • , Chen Genda
  • , Ou Jinping
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Traditional point or quasi-distributed sensors can not cover the full scale monitoring of cables in service. A new kind of smart cable with functionality of full scale monitoring has been developed by combining the optical fiber-fiber reinforced polymer rebar (named as FRP-OF rebar) with the cable wires by using Brillouin sensing technology. Full scale cable's static experimental results show that the FRP-OF can discover the stress distribution along the cable under 60% of the ultimate cable loading. And also the repeatability is very good. The cable load gotten from the average monitored strain agrees well with that from the controlled force within error of 5%. This kind of smart cable shows perfect advantages such as durability, anti-corrosion, electro-magnetic resistance, low cost and fully-distribution sensing and so on, which can meet the long-term on-line health monitoring for practical cable.

Original languageEnglish
Title of host publicationSmart Sensor Phenomena, Technology, Networks, and Systems 2009
DOIs
StatePublished - 2009
Externally publishedYes
EventSmart Sensor Phenomena, Technology, Networks, and Systems 2009 - San Diego, CA, United States
Duration: 9 Mar 200911 Mar 2009

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7293
ISSN (Print)0277-786X

Conference

ConferenceSmart Sensor Phenomena, Technology, Networks, and Systems 2009
Country/TerritoryUnited States
CitySan Diego, CA
Period9/03/0911/03/09

Keywords

  • Brillouin distributed sensor
  • Full-scale monitoring
  • Optical fiber-fiber reinforced polymer rebar
  • Smart cable
  • Structural health monitoring

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