Page 99 - RoadCem Manual - PCT BV

Figure 4.50 Effect of moisture content for compression.
To determine the optimum moisture content at which maximum compaction can occur it is also important to know:
• What the moisture content is of the natural soil/sample.
• The moisture content at which the material compacted most.
Figure 4.50 shows the typical relation between moisture content and compaction for typical soils. The procedure to determine the optimum moisture content is summarized in Figure 4.51
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