1.Sand s mainly used as a inert material to give volume in mortar for economy.
2.It subdivides cementing material into a thin film which is the principle of using all cementing material.
3.It offers requisite surface area for film of cementing material to adhere and spread.
4.Prevents shrinkage and cracking of mortar.
5.Well graded sand provide density.
6.It allows CO2 to enter in some depth in case fat lime mortar and increase setting power.
7.Some chemical reaction take place between silica of sand grain and other cementing material.
2.It subdivides cementing material into a thin film which is the principle of using all cementing material.
3.It offers requisite surface area for film of cementing material to adhere and spread.
4.Prevents shrinkage and cracking of mortar.
5.Well graded sand provide density.
6.It allows CO2 to enter in some depth in case fat lime mortar and increase setting power.
7.Some chemical reaction take place between silica of sand grain and other cementing material.
