QUESTION $3$

Determine the dry unit weight, saturated unit weight, and buoyant unit weight of a soil with a void ratio of $0\mathrm{.}77$ and a Specific Gravity of $2\mathrm{.}67.$ Additionally, determine the unit weight considering a degree of saturation of $78\%.$

$[8$ marks$]$

QUESTION $4$

A compacted soil sample has a bulk density of $2220k\frac{g}{m^3}$ and a water content of $14\%.$ The value of $G_s$ is $2\mathrm{.}70.$ Calculate the following:

$4\mathrm{.}1.$ Dry density

$4\mathrm{.}2.$ Void ratio

$4\mathrm{.}3.$ Degree of saturation

$4\mathrm{.}4.$ Air content

$[8$ marks$]$