Research and practice of intelligent sensing technologies in civil structural health monitoring in the mainland of China

Jinping Ou

doi:10.1117/12.663993

20 March 2006 Research and practice of intelligent sensing technologies in civil structural health monitoring in the mainland of China

Jinping Ou

Author Affiliations +

Proceedings Volume 6176, Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure V; 61761D (2006) https://doi.org/10.1117/12.663993
Event: Nondestructive Evaluation for Health Monitoring and Diagnostics, 2006, San Diego, CA, United States

Abstract

Intelligent sensing technologies have developed rapidly recent years, which meet the requirement of structural health monitoring (SHM). A number of types of intelligent sensing technologies have been developed in the mainland of China, such as optical fiber sensing technology, piezoelectric sensing technology, self-sensing smart materials, wireless sensors and sensor networks, CCD, GPS and so on. In this paper, various optical fiber sensors are introduced, including optical fiber sensors, six kinds of optical fiber Bragg grating (OFBG)-based sensors, fiber reinforced bars embedded with OFBG sensors (FRP-OFBG), OFBG-based smart cables, OFBG-based weighbridge, PVDF-based strain gauge and crack meter, shape memory alloy-based displacement transducer, self-sensing cement-based strain gauge, wireless accelerometers and sensor networks, wireless strain sensors and sensor networks, and GPS. The performance of various sensors mentioned above is also experimentally investigated, in particular sensing property, durability, fatigue and corrosion resistant performance. Additionally, applications of the sensors have also been carried out in the mainland of China. The full implementation of sensors in SHM systems for offshore platforms, long-span bridges, large-span domes, tall buildings and so on are also introduced in this paper.

Citation Download Citation

Jinping Ou "Research and practice of intelligent sensing technologies in civil structural health monitoring in the mainland of China", Proc. SPIE 6176, Nondestructive Evaluation and Health Monitoring of Aerospace Materials, Composites, and Civil Infrastructure V, 61761D (20 March 2006); https://doi.org/10.1117/12.663993

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