Q12
The rock specimen obtained from the overlying strata in a coal mine were tested in uni-axial compression and the following results were obtained at 50% of average compressive strength Longitudinal strain = 0.06 and Lateral strain = 0.012 The ratio of vertical to horizontal stress in the mine is
A.
3.0
B.
4.0
AnswerC.
2.5
D.
0.3
Answer: Option B
Solution
Answer: Option B
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