With reference to Problem 12, if the state of stress at the surface continues to depth in
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With reference to Problem 12, if the state of stress at the surface continues to depth in addition to gravity load, and the specific weight of rock is 28kN/m3, what strengths are needed at a depth of 1,234 m for the same safety factors?
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Given Problem 12 data plus gravity stress y28 kNm FS2 h1...View the full answer
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