A tension crack of 5 m depth behind a rock slope crest is completely filled with water. What is the horizontal force exerted on a unit slope length by the water in the tension crack?
A. 122.6 kN
B. 245 kN
C. 12.26 MPa
D. 24.5 Nm
Answer: Option A
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Related Questions on Rock Mechanics and Roof Supporting
Which of the following is not considered in Bieniawski's geo-mechanics classification?
A. rock strength
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What is the expected range of LBC of a 2.5 m long, 15 cm diameter timber prop?
A. 5 - 10 KN
B. 15 - 20 KN
C. 50 - 60 KN
D. 120 - 130 KN
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B. servocontrolled test
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A. 1.25
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