Creep of rock at the maximum expected pressure should be measured by keeping the pressure constant for:
A. 2-3 hours
B. 2-3 months
C. 2-3 minutes
D. 2-3 days
Answer:D
Creep of rock at the maximum expected pressure should be measured by keeping the pressure constant for:
A. 2-3 hours B. 2-3 months C. 2-3 minutes D. 2-3 days