ASTM D558-11

1.1 These test methods cover the determination of the relationship between the water content and the density of soil-cement mixtures when compacted before cement hydration as prescribed.

1.2 A ¹/₃₀-ft ³ (944-cm³) mold and a 5.50-lbf (24.5-N or mass of 2.49-kg) rammer dropped from a height of 12.0 in. (30.5 cm) are used and two methods, depending on soil gradation, are covered, as follows: