Determination of Water Content For Soil : Calculator

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1. What is the Water Content of Soil?

✔ The water content of soil mass may be defined as a quantitative measure of the wetness of a soil sample.

✔ Water content can also be defined as the ratio of water’s weight to soil’s.

 


 

2. Determination of Water Content For Soil

The percent of water content shall be calculated as follows:

w = [ ( W 2 − W 3 )/( W 3 − W 1 ) ] × 100%

Here,

w is Water Content %

W1 is the mass of a container (bowl) in gram

W2 is a mass of container (bowl) with wet soil in gram

W3 is a mass of container (bowl) with dry soil in gram

 

Here are the recommended quantities for general laboratory usage:

Sr. No.Particle Size (μm)IS Sieve SizeMinimum Quantity (gm)
1> 425 μm425 μm25
2> 2.2 mm2.2 mm50
3> 4.75 mm4.75 mm (No. 4)200
4> 9.5 mm9.5 mm (3/8″)300
5> 19 mm19 mm (3/4″)500
6> 37.5 mm37.5 mm (1.5″)1000

 

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Verified Article By Er. Madhu Krishna Poudel
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