Why is sand better suited in sand replacement method​

Abstract. A sand replacement method is commonly used to determine the density of the compacted soils. ... As the height of a test hole increases, the error between known density and calculated density decreases, regardless of the types of test hole and sand used.

The sand replacement test method is also used to determine the in-place density of compacted soil in order to compare it with the designated compaction degree, hence it specifies how much the compaction of the soil is close to the designated compaction degree.

Explanation:

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