Porosity
Volume of soil mass is called porosity. It is denoted by ‘n’ and is expressed as a percentage. n=(VV/V)*100 ------------
i) It can also be expressed as the total volume of all voids within a unit volume of soil mass whether it is fully or partially saturated.
Now “V=Vs +VV From eq.
(i): n=(VV/ Vs +VV)*100
(ii) Or n= ((V – Vs)/V)* 100
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