The sand mass measured by sand filling method is 2.82kg (sand density is 1.70g / cm3), and the total mass of wet soil excavated in the test pit is 2.86kg. The moisture content measured by drying method is 9.5%

The sand mass measured by sand filling method is 2.82kg (sand density is 1.70g / cm3), and the total mass of wet soil excavated in the test pit is 2.86kg. The moisture content measured by drying method is 9.5%

In this way
In any case, the volume of the pit will not change. Let the volume be v
The volume is m (sand) / sand density = 2.82 / (1.7 * 1000) = 0.00165882m3
The wet density of soil is d = 2.86/0.00165882 = 1.724g/cm3
The dry density is d '' = 2.86 * 90.5% / 0.00165882 = 1.56g/cm3

Elden Ring Premiere

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