2020-126 – Design, Development, and Use of Augmented Reality for Real-time Crack Width Sensing and Inspection

Background Inspections are an important step for maintaining critical infrastructure. Experienced inspectors are typically responsible to ensure adequate measurements and analyses are conducted. Currently, there are numerous technologies available for analyzing and inspecting infrastructure; however, they are unable to identify where problems are located under a load, like most experienced inspectors. For this reason, many of these technologies are not as trusted, providing a clear opportunity for technology to progress and provide new methodologies for manual inspection. According to Frost and Sullivan, manual inspection of infrastructure can be cumbersome and time consuming, leaving room for innovative technologies to aid the manual inspection process. Technologies that can benefit a trusted, experienced inspector would improve both efficiency and effectiveness. Technology Description Researchers have developed an augmented reality (AR) system that enables inspectors to visualize defects in and observe changes to the structure, under different load conditions. The experience of the inspector combined with this technology allows for more effective and efficient inspections. The AR headset allows inspectors to measure crack width changes in structures as they undergo stress and strain. In addition, the inspector can see real time changes and measure them, while also identifying simulated changes to cracks and damage over time. This has clear advantages to traditional inspection and will be a useful tool for inspectors to accurately assess a structure. Andrew Roerick aroerick@innovations.unm.edu 505-277-0608

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