Question
Geomechanics and Ground Control Question on Stress Measurement Techniques
A circular tunnel is constructed at a depth of 100 m. The average unit weight of overburden rock is 27.0 kN/m3. If the tangential stress measured at point A located at the horizontal boundary of the tunnel as shown, is 5.0 MPa, the tangential stress at point B in MPa, is____.(round off up to 2 decimals)
Answer
The correct answer is: 6.00 or7.00 (approx)