A Rapid Gradation Detection System for Earth and Stone Materials Based on Digital Image

Figure 1

Illustration of an on-site gradation detecting system for earth and stone materials. Note. 1: test station; 2: industrial camera; 3: LED lamp; 4: sprinkler; 5: water supply system; 6: vehicle transporting qualified aggregate; 7: field data processing and storage terminal; 8: remote terminal and storage system; 9: mobile terminal; 10: stock ground for earth and stone materials; 11: construction site; 12: excavator for loading and remixing; 13: unqualified material.