In a construction project, the field moist unit weight was 18.08 kN/m3 at a moisture content of

Question:

In a construction project, the field moist unit weight was 18.08 kN/m3 at a moisture content of 8%. If maximum and minimum dry unit weight determined in the laboratory were 16.93 kN/m3 and 14.46 kN/m3, respectively, what was the field relative density?