List of top Geomechanics and Ground Control Questions

A vehicle moving at 12 m/s stops in 15 m with constant deceleration. Assuming \( g = 10\ \text{m/s}^2 \), compute the coefficient of kinetic friction between tyres and road. (round off to 2 decimal places)
A coal sample having moisture content of 8.0% has unit weight 15.6 kN/m\(^3\). The dry unit weight of the sample, in kN/m\(^3\) is \(\underline{\hspace{1cm}}\). (round off to 2 decimal places)
The hydraulic sand stowing pipeline layout should be such that