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22 March 2021 Corrosion monitoring and mitigation in concrete structures using a 3D printing and Internet of Things approach
Mario Escarcega, Savannah Bradley, Parker Randall, Gabriel Campos, Luke Strebe, Hamed Momeni, Arvin Ebrahimkhanlou
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Proceedings Volume 11591, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2021; 115910X (2021) https://doi.org/10.1117/12.2583360
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
3D-printed one-way valves were designed and fabricated to relieve the corrosion-induced internal pressure on concrete structures. These valves were post-installed onto concrete to increase corrosion resistance in the concrete structure and extended the service life. This study investigated an Internet-of-Things device to continuously monitor corrosion in steel-reinforced concrete in order to determine the effectiveness of the valves in preventing corrosion. The IoT device monitors acoustic emission to determine the corrosion stage of reinforced concrete. The ongoing results show that the current valve design is an effective one-way check valve that will allow the internal pressure of the concrete to be released. This type of valve will prevent reinforced concrete surface cracking and extend the life of concrete structures by only releasing internal pressure without allowing for external materials to further corrode the steel reinforcement in concrete.
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Mario Escarcega, Savannah Bradley, Parker Randall, Gabriel Campos, Luke Strebe, Hamed Momeni, and Arvin Ebrahimkhanlou "Corrosion monitoring and mitigation in concrete structures using a 3D printing and Internet of Things approach", Proc. SPIE 11591, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2021, 115910X (22 March 2021); https://doi.org/10.1117/12.2583360
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KEYWORDS
Corrosion
3D printing
Acoustic emission
Bridges
Electronic components
Resistance
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