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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