Optimum Moisture Content
The optimum moisture content (OMC) is the percentage of moisture or saturation equal to the maximum density or minimum void ratio of a material under compaction. The optimum moisture content is commonly reported in net water content by weight where it is used in specifications for compacting embankments.
- International Maritime Organisation, DSC.1/Circ.71 - Early Implementation of Draft Amendments to the IMSBC Code Related to the Carriage and Testing of Iron Ore Fines, 15 November 2013, London. (Download PDF)