Q.1 (a) In a natural state, a moist soil has a volume of 0.0082 m3 and a mass of 17 kg. After oven dry, the soil has a m

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Q.1 (a) In a natural state, a moist soil has a volume of 0.0082
m3 and a mass of 17 kg.
After oven dry, the soil has a mass of 14.75 kg. If the specific
gravity of the
soil is 2.65, determine the following properties of the
soil:
(i) mass of water (Mw);
(ii) moisture content (w);
(iii) bulk density ((b);
(iv) dry density (dry);
(v) volumes of air (Va), water (Vw) and solid grain
(Vs);
(vi) air void ratio (Av);
(vii) void ratio (e);
(viii) porosity (n);
(ix) degree of saturation (Sr);
(x) additional water mass required to achieve 100%
saturation of the soil;
(xi) saturated density (sat); and
(xii) submerged density (sub).
(b) Another soil is taken from a construction site. It is in a
saturated state with
moisture content of 40 % and specific gravity of 2.72. Determine
the following
properties of this soil:
(i) void ratio (e);
(ii) porosity (n);
(iii) saturated density (sat);
(iv) dry density (dry);
(v) saturated unit weight (sat); and
(vi) density of soil solid grain (s).