Bridge inspection can be very difficult due to complex terrain. But aerial inspection proves to be quite efficient in that matter, where it takes only three minutes to accomplish.
The Chenzhou section of Wu Shenzhen Expressway belongs to a typical mountain Expressway, and the section with the largest number of bridges and tunnels is just under the jurisdiction. There are 46 bridges and 39 culverts, with a total mileage of 49 kilometers, in the past, it took at least 2 weeks for a comprehensive inspection by car patrol and step patrol, and the objective conditions were limited. There were blind spots and dead spots for inspection. Now, people patrol and machine patrol, it only takes 2 days to complete a comprehensive inspection, which greatly improves the work efficiency.
Using UAV pitch angle, hover and other functions, you can accurately judge and identify Bridge disease categories, timely find out whether there are illegal buildings and stacked objects in the space under the bridge, and check the epidemic prevention and control situation in the service area, quickly inspect traffic accidents and road congestion. In addition, unmanned aerial vehicles can transmit inspection pictures in real time and take photos to keep them, effectively improving the limitations of bridge inspection, improving inspection efficiency, and providing an important basis for timely maintenance and maintenance of bridges and investigation of potential safety hazards. In addition, the use of unmanned aerial vehicles not only saves patrol time, but also reduces personnel cost and inspection fuel consumption accordingly, and increases the safety factor of inspection personnel and improves the flexibility of work.
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