Calibration: of mass of sand to fill the cone: Mass of jar + cone + sand (before use) = 6.25 kg Mass of jar + cone +sand (after use) = 6.09 kg Mass of jar + cone + sand (before use) = 6.28 kg Mass of jar + cone + sand (after use) = 4.62 kg Volume of the mold = 943.333 cm³ Mass of jar + cone + sand (before use) = 6.27 kg Mass of jar + cone + sand (after use) = 3.18 kg Mass of excavated moist soil from the hole = 3.58 kg Moisture content of the moist soil = 11.24% Determination Determination of dry density of the sand: Field Test: Determination of the field unit weight:

2b. The following data was obtained from Sieve Analysis conducted at a Soil Lab. Using the data given in Table 02 determine: Table 02: Sieve analysis data of coarse-grained soil i. ii. iii. + Sieve Opening (mm) 20 10 4.75 2.36 1.18 0.6 0.3 0.15 0.075 Pan Mass of Soil Retaining on each Sieve (g) 5.21 20.21 180.21 360.21 280.11 70.11 50.21 17.21 10.11 8 Percentage of clay, silt, sand and Gravel in the soil sample Uniformity coefficient and coefficient of curvature Classify the soil according to BS soil classification system

Q': A- Classification tests have been performed on a soil sample and the grading curve that shown in (Fig. 1) and Atterberg limits obtained. Classify the soil using the USCS? L.L=32 and P.L=26 100 80 60 40 20 Fig. 1 0.1 1 Particle size (mm) 0.0001 0.001 0.01 10 100 % Finer