(1) Water content of wet base:
(2) Water content of dry basis:
Where: MW- moisture content on wet basis (%), MW- mass of moisture contained in the material (g) and MS- mass of dry matter contained in the material (g).
Extended data:
Water content test steps:
1. Take a representative sample of 15 ~ 30g, or take 50g samples of organic soil, sandy soil and full-structure frozen soil from a ring tool, put them into a weighing box, cover the weighing box, and accurately weigh the weight of wet soil in the box, up to 0.01g..
2. Open the lid of the box, put it in the oven, and bake at 105 ~ 1 10℃ to constant weight. The drying time of clay and silt is not less than 8 hours, and the drying time of sand is not less than 6 hours. For soil with organic matter exceeding 5% of dry soil mass, the temperature should be controlled from constant weight to constant weight at 65 ~ 70℃.
3. Take the weighing box out of the oven, cover it, put it in a dry container, and cool it to room temperature. Accurately weigh the weight of boxes and dry soil to the nearest 0.01g.
References:
Baidu encyclopedia-moisture content test