Development of a wireless, self-sustaining damage detection sensor system based on chemiluminescence for structural health monitoring

K. S. C. Kuang

doi:10.1117/12.2045309

8 March 2014 Development of a wireless, self-sustaining damage detection sensor system based on chemiluminescence for structural health monitoring

K. S. C. Kuang

Author Affiliations +

Proceedings Volume 9062, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2014; 906208 (2014) https://doi.org/10.1117/12.2045309
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2014, San Diego, California, United States

Abstract

A novel application of chemiluminescence resulting from the chemical reaction in a glow-stick as sensors for structural health monitoring is demonstrated here. By detecting the presence of light emitting from these glow-sticks, it is possible to develop a low-cost sensing device with the potential to provide early warning of damage in a variety of engineering applications such as monitoring of cracks or damage in concrete shear walls, detecting of ground settlement, soil liquefaction, slope instability, liquefaction-related damage of underground structure and others. In addition, this paper demonstrates the ease of incorporating wireless capability to the sensor device and the possibility of making the sensor system self-sustaining by means of a renewable power source for the wireless module. A significant advantage of the system compared to previous work on the use of plastic optical fibre (POF) for damage detection is that here the system does not require an electrically-powered light source. Here, the sensing device, embedded in a cement host, is shown to be capable of detecting damage. A series of specimens with embedded glow-sticks have been investigated and an assessment of their damage detection capability will be reported. The specimens were loaded under flexure and the sensor responses were transmitted via a wireless connection.

Citation Download Citation

K. S. C. Kuang "Development of a wireless, self-sustaining damage detection sensor system based on chemiluminescence for structural health monitoring", Proc. SPIE 9062, Smart Sensor Phenomena, Technology, Networks, and Systems Integration 2014, 906208 (8 March 2014); https://doi.org/10.1117/12.2045309

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