Standard Sand Indian Standard sand is used to assess the quality of cement, lime, pozzolana and other mineral admixture used in construction industry
CHARACTERISTICS
§ Standard sand shall be of quartz material
§ Colour of the standard sand is light grey or whitish
§ It should be free from silt
§ The sand grains should be angular, but a small percentage of flaky or rounded particle is permissible
PARTICLE SIZE DISTRIBUTION OF STANDARD SAND
All the particles of standard sand fall within the size range of 2 mm to 90 micron (as mentioned in the table below)
Particle Size Smaller than 2 mrn and greater than 1 mm – 33’33Percent (Grade 1)
Particle Size Smaller than 1 mm and greater than 500 microns 33’33 Percent (Grade 2)
Particle Size Below 500 microns but greater than 90 microns 33’33 Percent (Grade 3)
Grade 1; 2 or 3 Bag of 25 Kg