What are the test procedures for maximum dry density and optimum moisture content

First, prepare soil samples according to different moisture content (at least 5 soil samples with different moisture content) for one day and night, then carry out compaction test. After the test, flatten the soil at the top of the compaction cylinder, weigh the total mass of the compaction cylinder and the soil in the cylinder, calculate the wet soil mass and wet density, and immediately take the total sample from the demoulded soil sample after the compaction test, Calculate the dry density of soil samples through the measured moisture content. After completing the compaction test of five soil samples, use the five groups of corresponding dry density and moisture content to make the compaction curve. You can get the maximum dry density and the best moisture content. If you don't understand, you can contact me again and provide a video of compaction test for you

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