It is the first tunnel inspection system based on drone and on-board Artificial Intelligence (AI) processing technology in Hong Kong. It brings digital upgrade to tunnel inspection, enabling engineers to conduct intelligent and safe inspection directly on-site. “3S” refers to “Safe”, “Smart” and “on-Site”. This system has been successfully developed and applied in the Trunk Road T2 and Cha Kwo Ling Tunnel project.
Tunnel defect identification is crucial for tunnel construction. However, it is difficult to detect all defects through conventional tunnel inspection, and inspectors are required to observe with naked eye and manually record inspection results in the busy tunnel area, which is not only cumbersome, time-consuming and inefficient, but it might also lead to traffic incidents due to human fatigue.
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