Civil engineering materials stone test, the determination of stone grade with what practical significance?
Adjust the proportion of sand, stone
Select the best proportion of aggregate, for the preparation of concrete with the ratio.
And grading does not meet the requirements, that is, grading grading grading can not wrap cement mortar, prone to segregation. You gravel grading is to see if it can meet these requirements
Good qualified gravel gradation is beneficial to improve the workability of concrete, improve the density, increase the strength of late, and save the amount of cementing material, reduce costs.
