Q14
Rock mass parameters for a shale rock, mb, s, and a of the Hoek and Brown failure criterion as given in the equation are 2.4, 0.01 and 0.52 respectively. The uni-axial compressive strength (σCi) of intact sh!le is 50 MPa. _1 = _3 + _ci ( m_b _3 _ci + S )^a The global rock mass strength of shale in MPa is
Rock mass parameters for a shale rock, mb, s, and a of the Hoek and Brown failure criterion as given in the equation are 2.4, 0.01 and 0.52 respectively. The uni-axial compressive strength (σCi) of intact sh!le is 50 MPa.
The global rock mass strength of shale in MPa is
The global rock mass strength of shale in MPa is
A.
1.2
B.
10.29
AnswerC.
20.83
D.
50,00
Answer: Option B
Solution
Answer: Option B
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