Question $3$

$3\mathrm{.}1$ Differentiate between the Mohr$-$Coulomb strength criterion and the Hoek$-$Brown

failure criterion and explain the deciding factors in deciding which criterion to use.

Also state what the criterion are used for.

Question $3=5$ marks

Question $4$

$4\mathrm{.}1$ Three positions, namely A$,$ B and C are indicated in Figure $1$ below. For the soils

at these positions, identify the likely soil type, agency of transportation for the soil

and the soil origin$/$descriptor$.$ Copy the table below to your assignment answer sheet

and complete it$.$