人机配合，他们为水下桥梁“做体检”

Core Viewpoint - The article highlights the innovative use of underwater detection robots by the bridge inspection team in Shandong, enhancing the efficiency and safety of underwater bridge inspections [1][2]. Group 1: Technology and Methodology - The bridge inspection team has integrated underwater detection robots into their operations, allowing for "human-machine collaboration" to conduct thorough inspections of underwater bridge piers [2]. - The underwater robot possesses capabilities for both "floating" and "adhesive crawling," enabling it to navigate and adhere to bridge piers while utilizing high-definition cameras and sonar for rapid scanning and precise anomaly detection [2][4]. - The inspection process involves a closed-loop system where the robot identifies anomalies that require verification by human divers, ensuring comprehensive data collection and analysis [4]. Group 2: Challenges and Skills - Underwater inspections present unique challenges, including varying water conditions, visibility, and potential hazards, requiring divers to possess extensive knowledge of bridge structures and proficiency in operating specialized equipment [5]. - Divers are encouraged to obtain various certifications, such as welding and diving supervision, to enhance their ability to respond to unexpected situations in complex underwater environments [5]. - The psychological demands on divers are significant, as they must maintain composure and make critical decisions in low-visibility and high-risk conditions [7]. Group 3: Operational Insights - The inspection of the Jinghang Canal Grand Bridge took two days, revealing that the detected cracks were within normal limits, but the team must remain vigilant for future inspection tasks [8]. - Since its establishment in 2016, the underwater inspection team has inspected over 400 railway bridges across the country, covering more than 100,000 kilometers [8].