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24-MMP-B1 Applied Rock Mechanics: December 2015

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Circular Tunnel — Boundary Stress and Design
  2. Question 2 Failure Criteria and Direct Shear Testing
  3. Question 3 Triaxial Testing of Intact Granite
  4. Question 4 Plane Failure Slope Stability with Tension Crack
  5. Question 5 Reinforcement Strategy for a Permanent Excavation
  6. Question 6 Ground Support Systems

Start with Question 1 →

EGBC National Exam — Mining and Mineral Processing Engineering, 09-MMP-B1 Applied Rock Mechanics, 2015-Dec. 3 hours duration, open-book exam, any non-communicating calculator permitted.

Reference texts: Brady & Brown, Rock Mechanics for Underground Mining, 3rd ed. (Kirsch elastic boundary-stress solution, direct shear and triaxial testing, Mohr-Coulomb and Hoek-Brown failure criteria); Wyllie & Mah, Rock Slope Engineering (after Hoek & Bray), 4th ed. (plane failure analysis, tension-crack water pressure); Hoek, Kaiser & Bawden, Support of Underground Excavations in Hard Rock (friction bolts, yielding support systems); Hoek, Practical Rock Engineering (Hoek-Brown criterion background, opening-shape design charts).