1. A soil sample of a mass 992.60 g was sieved. The sieving test

gave the results shown in Table 1.

Table 1

Sieve (mm)

4.0

2

1.4

1.18

0.6

0.425

0.15

0.063

pan

Mass (g)

0.00

128.12

430.88

84.52

330

13.32

3.36

1.6

0.8

(a) Plot the particle size distribution curve on the attached

particle size distribution chart

(14 marks)

(b) Calculate the coefficient of uniformity and coefficient of

curvature.

(3 marks)

(c) Based on (b) how would you describe/classify the soil?

marks)

(3

Total 20 marks