Novel strain sensor for steel rebar or cable based on OFBG

Zhi Zhou; Yan Liu; Chuan Wang; Jinping Ou

doi:10.1117/12.659085

30 March 2006 Novel strain sensor for steel rebar or cable based on OFBG

Zhi Zhou, Yan Liu, Chuan Wang, Jinping Ou

Proceedings Volume 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications; 61671N (2006) https://doi.org/10.1117/12.659085
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

Packaged FBG (optical fiber Bragg Grating) strain sensor with good properties of high durability, low cost and reliable installation is in the great need of practical long-term Structural Health Monitoring (SHM) system for civil insfrastructures, especially for those under harsh environment, such as corrosion, high fatigue, etc. Aiming at the practical applications of FBG in such areas, 2 kinds of low cost strain sensors, prototype-packaged FBG sensor and embracing slice packaged FBG sensor, for steel rebar and small cable are developed. And their sensing properties of the sensors under dead load have been tested. The experimental results show good feasibility and advantages of such kinds of sensors for steel rebar or cable strain measurement for practical civil infrastructures under harsh conditions.

Citation Download Citation

Zhi Zhou, Yan Liu, Chuan Wang, and Jinping Ou "Novel strain sensor for steel rebar or cable based on OFBG", Proc. SPIE 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications, 61671N (30 March 2006); https://doi.org/10.1117/12.659085

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