a) A clay soil has a void ratio of 0.5 and a total unit weight of 19.2 kN/m³. Assuming that Gs=2.65, what is the water content of the soil in %?

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a) A clay soil has a void ratio of 0.5 and a total unit weight of 19.2 kN/m³. Assuming that Gs=2.65, what is the water content of the soil in %?
This soil will be mixed with dry silt with ratio of 1 tonne of dry silt to 2 tonnes of wet clay to be used for construction of a tailing. Large quantity of dry silt and clay are
available. The mixture will be moistened and compacted prior to use. The final moisture content is 16% and the required total unit weight of the mixture is 17.3 kN/m³.
5000 m³ of compacted mixture is required to construct the tailing.
b) Determine the total volume of clay in m³ that must be excavated from the borrow area.
c) Determine the total weight of water in kN in the fill mixture after the final compaction.
Transcribed Image Text:a) A clay soil has a void ratio of 0.5 and a total unit weight of 19.2 kN/m³. Assuming that Gs=2.65, what is the water content of the soil in %? This soil will be mixed with dry silt with ratio of 1 tonne of dry silt to 2 tonnes of wet clay to be used for construction of a tailing. Large quantity of dry silt and clay are available. The mixture will be moistened and compacted prior to use. The final moisture content is 16% and the required total unit weight of the mixture is 17.3 kN/m³. 5000 m³ of compacted mixture is required to construct the tailing. b) Determine the total volume of clay in m³ that must be excavated from the borrow area. c) Determine the total weight of water in kN in the fill mixture after the final compaction.
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