24-MMP-B2 Rock Fragmentation
Worked solutions to 4 past sittings (2015–2016), 26 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Explosives Chemistry (3 sittings): May 2016 Q1 · December 2015 Q1 · May 2015 Q1
- Sensitivity (3 sittings): December 2016 Q1 · May 2016 Q1 · December 2015 Q1
- Timing (3 sittings): December 2016 Q1 · May 2016 Q1 · December 2015 Q1
Questions by sitting
December 2016
- Question 1: Explosives, Sensitivity, Timing, Drilling and Fragmentation Fundamentals
- Question 2: Iron-Ore Powder-Factor Design and Pattern Tie-Ins
- Question 3: Limestone Diameter Up-Sizing via Cratering Curve
- Question 4: Copper-Ore Final-Wall Control Program
- Question 5: Underground Round Design – Burn Cut, Drop Raise and Ring Blast
- Question 6: Quarry Blast Vibration-Compliant Loading Design
May 2016
- Question 1: Explosives Chemistry, Sensitivity, Timing and Emissions
- Question 2: Quarry Blast Redesign – Diameter Up-sizing and Vibration Compliance
- Question 3: Tunnel Round Design – Wall Control and Cut
- Question 4: Open-Pit Fragmentation Design – Iron Ore
- Question 5: Final-Wall Control – Buffer and Presplit Rows
- Question 6: Vertical Crater Retreat (VCR) Blast Design
December 2015
- Question 1: Explosives Chemistry, Sensitivity, Timing and Blast Effects
- Question 2: Scaling a Blast Pattern to a Larger Hole Diameter
- Question 3: Underground Drift Cut Design
- Question 4: Open-Pit Blast – Delay Pattern and Loading Design
- Question 5: Damage Radius from a Charge Attenuation Relationship
- Question 6: Rotary Drilling – Air Requirements and Deviation
- Question 7: Blast Design for a Drop Raise
May 2015
- Question 1: Explosive Chemistry – Oxygen Balance of AN/FO
- Question 2: Explosive Sensitivity and Initiation
- Question 3: Drilling Accuracy
- Question 4: Fragmentation, Uniformity, Flyrock and Final-Wall Blast Design
- Question 5: Air Blast
- Question 6: Ground Vibration
- Question 7: Underground Cut Design and Final-Wall Trim Blasting