Industrial design of instrumented PRC elements for the condition monitoring of civil infrastructure

Daniele Zonta; Matteo Pozzi; Antonella Colombo; Oreste Salvatore Bursi

doi:10.1117/12.657762

30 March 2006 Industrial design of instrumented PRC elements for the condition monitoring of civil infrastructure

Daniele Zonta, Matteo Pozzi, Antonella Colombo, Oreste Salvatore Bursi

Proceedings Volume 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications; 61670J (2006) https://doi.org/10.1117/12.657762
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

Recognizing the growing importance of new technologies in the life-cycle management of civil infrastructure, the University of Trento is promoting a research effort aimed at developing a novel construction system that will allow real-time condition monitoring of bridge structures. The general concept is to build new bridges using smart structural elements, i.e. precast RC elements embedding a sensing system and capable of self-diagnosis. Sensors are conceived as an integral part of the prefabricated element, influencing its design criteria, performance and detailing. A first step of the research was accomplished in 2004 with the construction and testing of reduced-scale prototypes of smart elements. The second phase aims at demonstrating the industrial feasibility of the series production of prefabricated elements embedding FOS technology as well as their in-field reliability. In detail, the program includes the production of two 28m-long prestressed RC box-beam elements. One of these will be used in a single span road bridge, while the other will be extensively tested in the laboratory, in order to record and identify the response signature associated with recurrent deterioration scenarios. The general paradigm of the design is to conceive the sensing system in two separate parts, embeddable and external. The embeddable part is to be permanently installed in the element, and therefore must have high durability and robustness, while the external sensing system can be replaced during routine maintenance work or as necessary in the case of malfunction, or for technology upgrade.

Citation Download Citation

Daniele Zonta, Matteo Pozzi, Antonella Colombo, and Oreste Salvatore Bursi "Industrial design of instrumented PRC elements for the condition monitoring of civil infrastructure", Proc. SPIE 6167, Smart Structures and Materials 2006: Smart Sensor Monitoring Systems and Applications, 61670J (30 March 2006); https://doi.org/10.1117/12.657762

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KEYWORDS

Bridges

Sensors

Sensing systems

Prototyping

Roads

Fiber Bragg gratings

Chemical elements

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