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Civionics for structural health monitoring

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Abstract:

As the design and construction of civil structures continue to evolve, it is becoming imperative that these structures be monitored for their health. To meet this need, the discipline of civionics has emerged. It involves the application of electronics to civil structures and aims to assist engineers in realizing the full benefits of structural health monitoring (SHM). Therefore, the goal of the civionics specifications outlined in this work is to ensure that the installation and operation of fibre optic sensors are successful. This paper will discuss several lessons learned during the implementation of health monitoring systems for civil structures. The monitoring of these structures primarily motivated the writing of these specifications. Creating a standard procedure for SHM eliminated several ambiguities, such as fibre sensor specifications and the types of cables required. As a result, it is expected that these specifications will help ensure that the sensors will survive the installation process and eventually prove their value over years of structural health monitoring. The civionics fibre optic sensor specifications include the requirements for fibre sensors and their corresponding readout units. They also include specifications for the cables, conduits, junction boxes, termination, and environmental protection.Key words: civionics, structural health monitoring, fibre optic sensors, specifications.

À mesure que la conception et la construction de structures de génie civil continuent d'évoluer, il devient impératif de surveiller l'état de ces structures. Le domaine de la civionique a donc vu le jour. Il implique l'utilisation de l'électronique dans les structures de génie civil et vise à aider les ingénieurs à tirer plein avantage de la surveillance de l'état des structures (« SHM »). Le but des spécifications de la civionique soulignées dans ce travail est donc d'assurer que l'installation et le fonctionnement de capteurs à fibres optiques sont réussis. Cet article aborde plusieurs leçons apprises lors de l'implantation des systèmes de la surveillance de l'état des structures de génie civil. Le suivi de ces structures a principalement motivé la formulation de ces spécifications. Créer une procédure normalisée pour la surveillance de l'état des structures élimine plusieurs ambiguïtés, telles que les spécifications des capteurs en fibre et les types de câbles requis. Ces spécifications devaient donc aider à assurer que les capteurs survivront à l'installation et prouveront leur valeur au cours des années pour la surveillance de l'état des structures. Les spécifications des capteurs à fibres optiques pour la civionique comprennent les exigences pour les capteurs en fibre et leurs unités respectives de lecture. Elles comprennent également les spécifications des câbles, des conduits, des boîtes de connexion, des terminaisons et de la protection environnementale.Mots-clés : civionique, surveillance de l'état des structures, capteurs à fibres optiques, spécifications.[Traduit par la Rédaction]

Document Type: Research Article

Publication date: 2007-03-01

More about this publication?
  • Published since 1974, this monthly publication is the official journal of the Canadian Society for Civil Engineering. It contains articles on environmental engineering, hydrotechnical engineering, structure engineering, construction engineering, engineering mechanics, and engineering materials, and a history of civil engineering. Contributors include recognized researchers and practitioners in industry, government, and academe. New developments in engineering design and construction are also featured.
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