A wet concrete spraying single-particle aggregate rebound and adhesion mechanism testing platform, relating to the technical field of wet concrete spraying tests. An air compressor (101) provides high-pressure gas for a particle sprayer and a sprayed device; a test bed is used for adjusting the spraying position, a feeding device is used for removing a single-particle aggregate from a hopper (211), the particle sprayer is used for spraying the single-particle aggregate, and the sprayed device is used for receiving the single-particle aggregate spray and carrying out automatic cleaning; a high-speed camera (6) performs particle tracking on the spray and rebound of the single-particle aggregate, and a computer (7) implements automatic control and data extraction. The test operation is simple, the degree of automation is high, a concrete aggregate rebound model may be easily and accurately established, related parameters of concrete single-particle aggregate wall-hitting rebound and adhesion may be accurately determined from a microscopic angle, and the single-particle aggregate rebound and adhesion mechanism in the wet concrete spraying process may be researched well.
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