Classification of Sand
Classification of sand is as follows,
The sand is classified according to the size of grains, the sand are classified as fine, coarse and gravelly.
The sand which is passing through a screen with clear openings of 1.5875 mm is known as the fine sand. It is mainly used for plastering jobs.
The sand which is passing through a screen with clear openings of 3.175 mm is known as the coarse sand. It is generally used for brick masonry work.
The sand passing through a screen with clear openings of 7.62 mm is known as the gravelly sand. It is generally used for concrete work.