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24-MMP-B2 Rock Fragmentation: May 2016

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

  1. Question 1 Explosives Chemistry, Sensitivity, Timing and Emissions
  2. Question 2 Quarry Blast Redesign – Diameter Up-sizing and Vibration Compliance
  3. Question 3 Tunnel Round Design – Wall Control and Cut
  4. Question 4 Open-Pit Fragmentation Design – Iron Ore
  5. Question 5 Final-Wall Control – Buffer and Presplit Rows
  6. Question 6 Vertical Crater Retreat (VCR) Blast Design

Start with Question 1 →

National Exams, 09-Mmp-B2 Rock Fragmentation, May 2016, 3 hours, closed book (one double-sided aid sheet permitted). Question 1 plus four (4) of Questions 2-6 constitute a complete paper; every question (1-6) is answered in full as a complete study resource.

Reference texts: Persson, Holmberg & Lee, Rock Blasting and Explosives Engineering; C.J. Konya & E.J. Walter, Rock Blasting and Overbreak Control (FHWA); ISEE, Blasters' Handbook, 18th ed.; W. Hustrulid, Blasting Principles for Open Pit Mining; SME Mining Engineering Handbook, 3rd ed., Ch. Drilling and Blasting; W.I. Duvall & C.F. Fogelson, USBM RI 5514 (cratering theory).