Use: A unique chart for uniform classification of sands
Standards
To classify soils to BS 1377:2, ENV 1997-2, ASTM D4318, AASHTO T89
Specifications:
Nine granule patches firmly attached to the handy water-resistant plastic card defining roundness and size of particles from 2mm very coarse sand to 1/16mm silt.
A checklist defining bed thickness.
Flip side of chart with tables of geologic age and carbonate classification information.
Sample Panels. Very coarse; coarse; medium; fine; very fine; silt.
Particle Shape Panels. Angular; sub-angular; sub-rounded and rounded.