24-MMP-A2 Underground Mining Methods and Design
Worked solutions to 8 past sittings (2013–2019), 51 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.
- Hoisting (6 sittings): December 2017 Q2 · December 2016 Q1 · May 2015 Q1 · December 2014 Q1 · May 2014 Q1 · May 2013 Q1
- Backfill (5 sittings): December 2017 Q4 · December 2016 Q1 · May 2015 Q3 · December 2014 Q3 · May 2013 Q1
- Motor Power (4 sittings): December 2019 Q5 · May 2015 Q6 · December 2014 Q4 · May 2014 Q6
- Shaft Hoist Design (4 sittings): December 2016 Q2 · December 2015 Q3 · May 2015 Q6 · May 2014 Q6
- Ventilation (4 sittings): December 2016 Q1 · December 2014 Q1 · May 2014 Q1 · May 2013 Q1
- Cost Indices (3 sittings): May 2015 Q1 · December 2014 Q1 · May 2014 Q1
- Haulage (3 sittings): December 2019 Q1 · May 2015 Q1 · December 2014 Q1
- Mine Ventilation (3 sittings): December 2017 Q3 · December 2016 Q3 · December 2015 Q2
- Vertical Crater Retreat (3 sittings): December 2015 Q6 · May 2015 Q3 · December 2014 Q3
- Camm Parametric Shaft (2 sittings): December 2016 Q4 · May 2015 Q5
- Cycle Time (2 sittings): May 2015 Q6 · May 2014 Q6
- Development (2 sittings): December 2015 Q6 · December 2014 Q3
- Drum (2 sittings): May 2015 Q6 · May 2014 Q6
- Escalated to 2008 (2 sittings): December 2016 Q4 · May 2015 Q5
- Ground Support (2 sittings): December 2019 Q1 · May 2015 Q1
Questions by sitting
December 2019
- Question 1: Haulage, Hoists, Ground Support, Ventilation Measurement and Cost Estimation
- Question 2: Capital and Operating Cost Estimation
- Question 3: Design of Ventilation Facilities
- Question 4: Room-and-Pillar and Vertical Crater Retreat (VCR) Mining
- Question 5: Hoist Duty Cycle, Motor Power and Production
- Question 6: Skip/Shaft vs. Truck/Incline Material Handling
December 2017
- Question 1: General Underground Mining
- Question 2: Hoisting and Winding
- Question 3: Mine Ventilation
- Question 4: Backfill
- Question 5: Innovative Shaft Sinking — Deepening while Hoisting
- Question 6: Shrinkage Stoping and Comparison with Other Mining Methods
December 2016
- Question 1: Backfill, Hoisting, Ventilation, Costs, Room-and-Pillar and VCR Mining
- Question 2: Mine Hoisting — Shaft Hoist Design
- Question 3: Mine Ventilation — Cooling/Dehumidification, Psychrometrics and a Cooling-Coil Process
- Question 4: Mine Cost Estimation — Camm (1989) Parametric Shaft and Block-Caving Models, Escalated to 2008
- Question 5: Cut & Fill and Longhole Mining Methods — Comparison
- Question 6: Shrinkage and Sub-Level Caving Mining Methods — Comparison
December 2015
- Question 1: Dilution & Recovery, Power & Services, Equipment Costs, Scheduling, Block Caving and Rock Haulage
- Question 2: Mine Ventilation — Kirchhoff's Laws, Fan Heating, Parallel Airways and the Mine Characteristic Curve
- Question 3: Dumping Skips, Overwinding, Locked Coil Rope, Motor Pole Pairs and Shaft Hoist Design
- Question 4: Cut-and-Fill Stoping — Overhand/Underhand, Fill Products, Captive vs. Ramp Access, and Ramp-in-Vein Resuing
- Question 5: Longhole Stoping — Development/Production Cycle and Avoca/Alimak/VCR Modifications
- Question 6: Vertical Crater Retreat (VCR) — Development, Blasting Cycle, Tailings Fill and Ore Loading
May 2015
- Question 1: Ground Support, Mining-Method Selection, Ventilation Measurement, Hoisting, Cost Indices and Haulage
- Question 2: Room-and-Pillar Development/Production Cycle, Continuous Mining, Stope-and-Pillar and Trackless-Equipment Case Study
- Question 3: Vertical Crater Retreat (VCR) — Development Cycle, Crater Blasting, Ore Loading and Backfill
- Question 4: Kirchhoff's Laws, Atkinson's Equation and Four Parallel Mine Airways
- Question 5: Camm (1989) Parametric Shaft and Block-Caving Cost Models, Escalated to 2008
- Question 6: Shaft Hoist Design — Rope, Drum, Cycle Time and Motor Power
December 2014
- Question 1: Support Systems, Mining-Method Geotechnics, Hoisting, Ventilation, Haulage and Cost Indices
- Question 2: Room and Pillar Development and Production Cycle
- Question 3: Vertical Crater Retreat — Development, Backfill and Ore Handling
- Question 4: Friction Hoist Duty Cycle, Motor Power, Production and Energy
- Question 5: Mine Ventilation Network Theory and a Four-Airway Parallel Circuit
- Question 6: Skip/Shaft vs. Truck/Decline Material Handling
- Question 7: Parametric Underground Mine Capital-Cost Estimating (O'Hara Method)
May 2014
- Question 1: Ventilation, Mine Planning, Cost Indices, Hoisting and Backfill Fundamentals
- Question 2: Ore Handling System and Mine Services Design for a Shaft-Accessed Vein
- Question 3: Longitudinal (Avoca) Retreat Mining of Narrow, Steeply Dipping Veins
- Question 4: Parametric Shaft and Block-Caving Cost Estimation with Escalation to 2012
- Question 5: Headframe Design Parameters, Hoist-Rope Engineering and Shaft Hoisting-System Selection
- Question 6: Shaft Hoist Design — Rope, Drum, Cycle Time and Motor Power
- Question 7: Cut-and-Fill Stoping Variants and Backfill Practice
May 2013
- Question 1: Feasibility Costing, Ventilation, Hoisting, Mining-Method Selection and Backfill
- Question 2: Mine Ventilation Characteristic Curve
- Question 3: Hoist Ropes, Overwind, Shaft Mucking and Skip Design
- Question 4: Cut-and-Fill versus Longhole Mining — Comparison
- Question 5: Shrinkage versus Sub-Level Caving — Comparison
- Question 6: Underground Mine Services
- Question 7: Backfill Preparation and Placement