InstroTek
16
% PR can also be used to determine % Solids, if the “void-less
density” of the material can be determined.
%𝑺𝒐𝒊𝒍 𝑨𝒊𝒓 𝑽𝒐𝒊𝒅𝒔 = 𝟏𝟎𝟎 ∗ [ 𝟏 − (
𝑫𝑫
𝑺𝑮
) − 𝑴]
Where: DD is the dry density in g/cm³, SG is the soil specific
gravity provided by the user, and M is the moisture content in
g/cm³.