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1、-测定土的含水率英文版-第 2 页The determination of soil water content experimentsObjective Determination of soil water content, in order to understand the status of water soil, is to calculate the void ratio of soil, liquidity index, saturation, and other physical and mechanical properties of a basic index.Plann
2、ing and organization Apparatus1. constant temperature oven2. Scale3. Dryer4. Aluminum container.5. OvenKnowledge of Equipment: Drying: putting the wet earth in the Oven, making the temperature between 100 to 105 .Procedure1. Select representative sample about 15-30 grams (uneven sand or soil should
3、be not less than 50 grams),and put into the aluminum container and caver the lid immediately.Balancing the wight of sample and the aluminum container.(m1).record the aluminum containers number ,the wight of sample and aluminum containers wight (m1) and the aluminum containers wight (m3)2. Open the a
4、luminum containers cover and put it into the Oven under the temperature 100-105 (drying time since the temperature of 100-100 is not less than 6 hours),then remove the aluminum container into dryer,after cooling to room temperature.3. Moving out the aluminum container and balance the wight of sample
5、 and aluminum container(m2)4. Repeat the above steps.Data Calculation Sheet for Direct Shear Test The sample number-Date- Name-Samples numberThe box numberThe box wight(m3)The wight of wet sample and box(m1) The wight of sample and box (m2)The wight of waterSoil wight The moisture contentAverage the moisture contenta24.7151.3947.533.8622.8216.917b24.2353.2549.014.2424.7817.1Relevant issuesThe tested soil water content should be taking soil samples after open the packing immediately , in order to avoid the soils moisture change affecting the outcome.