Chapter $9\mathrm{.}1$ to $9\mathrm{.}5$

$1$ Multiple Choice $1$ point

For triaxial compression tests, compressive strength is defined as:

The maximum shear stress on the failure plane

The maximum principal stress difference

The maximum cohesion

The maximum shear applied to a dense sand

$2$

Multiple Choice $1$ point

What is the single most important parameter that affects the strength of sands?

Particlesize

Partide roughness

Grain size distribution

Voidratio

$3$

Multiple Choice $1$ point

What is the internal friction angle of a granular material $($e$.$g$.$ sand$)$ in its loosest state?

Uncemented friction angle

Angle of repose

Critical state friction angle

Peak friction angle