Density Control of Sandy Soil in Laboratory Model

: According to geology, sand is a granular substance made up of finely separated pieces of regional rock and mineral, hence variations in sand particles are caused by regional rock conditions and rock sources. This variation in grain size, shape and its composition cause a problem in laboratory experiments when calculating sand density which is essential parameter. Also, it is the more essential problem in all laboratory experiments applied on granular soil like sand is forming a uniform density (density control). The method of forming a uniform sand bed, the used system, the factors effect on density control, and the more suitable conditions achieving density control were explained in this paper. The result proved that; the most suitable method for sand forming was sand raining, the most suitable method for sand forming was sand raining and the raining height achieving uniform density, so, sand raining, and vibratory compaction recommended when maximum dry density is required.