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Soil Mechanics and Foundation Engineering - Engineering

Q1:

If the specific gravity and voids in soil sample are G and e respectively, the hydraulic gradient i, is

A

B

C

D

ANS:A -

  1. Specific Gravity (G): Specific gravity is the ratio of the density of a substance to the density of a reference substance (usually water for solids and liquids). In the context of soil mechanics, specific gravity indicates how dense the soil particles are relative to water.
  2. Voids Ratio (e): Voids ratio in soil mechanics is the ratio of the volume of voids (spaces between soil particles) to the volume of solids in a given soil sample. It indicates the degree of porosity or how much void space exists within the soil.
Now, the expression G−1/1+e​ seems to involve manipulating these parameters, but it doesn't represent the hydraulic gradient.