$3$ Weight$-$volume relationship $[$SI$]$ units

The followings are the lab measurement from a saturated soil sample

The mass of the sample of a saturated soil is

$570$

grams

The dry mass $($after onven drying$)$ is

$455$

grams

The specific gravity of solids is

$2\mathrm{.}7$

Determine:

$4$ Compaction in the field

Following are the results of a field unit weight determination test on a soil with the sand cone method:

Calibrated dry density of Ottawa sand:

Calibrated mass of Ottawa sand to fill the cone:

$1550k\frac{g}{m_3}$

Mass of jar $+$ cone $+$ sand $($before use$)$:

$0\mathrm{.}107$ kg

Mass of jar $+$ cone $+$ sand $($after use$)$:

$6\mathrm{.}14,kg$

$2\mathrm{.}885$ ko