Systems and methods for impact testing and monitoring of high-energy flexible nets

A system for impact testing and monitoring of a high-energy flexible net, wherein the system comprises a vertical impact testing unit, a slope impact testing unit, an impact simulation unit, and an impact monitoring unit;

• the vertical impact testing unit includes a vertically positioned gravity wall;
• the slope impact testing unit includes a wall slope, a first side of the gravity wall and a slope surface of the wall slope are securely provided with a flexible net, respectively, the wall slope being positioned perpendicularly to a second side of the gravity wall;
• the impact simulation unit includes an impact assembly and a lifting assembly, wherein
• the impact assembly is provided on the slope surface of the wall slope and configured to provide an impact angle for an impactor performing a slope impact test, the impact assembly includes a power device, a support plate, and a driving device;
• an upper end of the support plate is rotationally connected to the slope surface of the wall slope, and a lower end of the support plate is movably connected to an output end of the driving device;
• the driving device is provided on the slope surface of the wall slope to adjust an angle between the support plate and the slope surface of the wall slope;
• the power device is fixed to the upper end of the support plate, and an output end of the power device is configured to apply an impact velocity parallel to the support plate to the impactor performing the slope impact test;
• and
• the lifting assembly is provided close to the gravity wall and the wall slope, the lifting assembly is configured to lift the impactor performing the slope impact test to the impact assembly, and lift an impactor performing a vertical impact test to a predetermined position and release the impactor;
• wherein a height of the predetermined position is not less than 100 m, the impact angle of the impact assembly is in a range of 45° to 70°, and an impact velocity of the impactor performing the vertical impact test and the impact velocity of the impactor performing the slope impact test are not less than 35 m/s;
• and
• the impact monitoring unit is configured to monitor a deformation result and an internal force change result of the flexible net.