What are the standard value of specific gravity of soil?

2.60 to about 2.80
7.3. Specific gravity is defined as the ratio of the density of the solid part of a material to the density of water at 20°C. Typically, the specific gravity of soils is in the range 2.60 to about 2.80.

What is the specific gravity of soil used for?

Specific gravity is a fundamental property of soils and other construction materials. This dimensionless unit is the ratio of material density to the density of water and is used to calculate soil density, void ratio, saturation, and other soil properties.

What is YW in soils?

In soil mechanics the most important specific gravity is that of the actual soil grains and is given the symbol Gs. From the above definition it is seen that, for a soil sample with volume of solids Vs and weight of solids Ws, Gs = ^ Vs’yw where 7W = weight of water and, if the sample has a mass of solids Ms, Ms.

Is 2720 specific gravity?

This standard ( Part III ) deals with the method of test for determination of specific gravity of soils which finds application in finding out the degree of saturation and unit weight of moist soils. The unit weights are needed in pressure, settlement and stability problems in soil engineering.

What is moisture content of soil?

The soil moisture content of soil is the quantity of water it contains. Water content is used in a wide range of scientific and technical areas and is expressed as a ratio, which can range from 0 (completely dry) to the value of the materials’ porosity at saturation.

What is represented by D10?

Explanation: The size D10 is sometimes called as the effective size or effective diameter. Cc = (D30)2/D10×D60. i.e.CV = D60/ D10. Explanation: The D10 represents a size, in mm such that 10\% of the particle is finer than D10 size.

How is specific gravity calculated?

As per the specific gravity definition, the value is calculated as the density of that substance divided by water density at 4⁰C. To obtain the specific weight of a substance, its specific gravity is multiplied by 1000 (density of water in kg/m³).

What is GS soil?

The specific gravity (GS) of a soil refers to the ratio of the solid particles’ unit weight to the unit weight of water. It is also used to derive several important soil parameters such as the porosity, the dry and saturated density and the degree of saturation.

Is 2720 a part XL?

This part [IS: 2720 ( Part XL)-19771 deals with the method of test for the determination of free swell index of soils. The possibility of damage to structures due to swelling of expensive clays need be identified, at the outset, by an investigation of those soils likely to possess undesirable expansion characteristics.

How is moisture content calculated?

The amount of water is determined by subtracting the dry weight from the initial weight, and the moisture content is then calculated as the amount of water divided by the dry weight or total weight, depending on the reporting method.

What is percentage moisture content?

Wet basis moisture content (designated MW in the text) is described by the percentage equivalent of the ratio of the weight of water (WW) to the total weight of the material (Wt). Note that wet basis moisture content can range from 0 to 100 percent.

What is the standard value of moisture content in soil?

There is no standard value of the moisture content. Remember, specific gravity is the density of soil solids with respect to the density of water, while moisture content is the ratio of mass of water to mass of soil solids – and naturally, this could take any value depending upon the mass of water.

What is the difference between specific gravity and moisture content?

Remember, specific gravity is the density of soil solids with respect to the density of water, while moisture content is the ratio of mass of water to mass of soil solids – and naturally, this could take any value depending upon the mass of water.

What is the average value of specific gravity of the tested soil?

The average value of specific gravity of the tested soil sample equals to 2.6474. It is clear from (table 1) in the theory part that the test was done on a sand sample of soil due to the range of the values of specific gravity.

How do you determine the maximum dry density of soil?

The determination of maximum dry density and optimum moisture content of the soil is a measure of compaction level of soils. This can be measured by mainly two methods Standard Proctor Compaction Test and Modified Proctor Compaction Test. Both the tests help to determine the optimum moisture content that is required for soil to attain maximum