Manual: Mine Haul Road Design – Planning, Alignment, Surface & Construction

Survey of Haul Trucks & Roads for Surface Mines, Introduction, Haul Trucks and Construction, Maintenance Equipment, Haul Road Length, Haul Road Geometry, Haul Road Construction Materials, Symptoms and Causes of Haul Road Deterioration, Haul Road Maintenance, Evolution of Haul Road Design at Syncrude, Layer Thickness, Haul Road Geometry, Construction Techniques, Summary, Haul Road Planning and Alignment, General, Key Road Planning and Alignment Factors, Haul Truck Stopping Distance, Sight Distance and Vertical Curves, Road Width, Curves and Switchbacks, Super-elevation, Super-Elevation Run Out, Optimal Grades, Maximum Sustained Grade, Runaway Provisions, Combination of Horizontal and Vertical Alignment, Safety Berms and Ditches, Design of Haul Road Cross-Section, Design Based on CBR, Modifications to CBR Design Method, Design Based on Critical Strain and Resilient Modulus, Critical Strain Limit, Design Procedure, Comparison of the Two Methods, Correlation Between the Vertical Strain and Surface Deflection, Summary, Road Surface, Introduction, Roughness, Traction, Rolling Resistance, Measuring Rolling Resistance, Typical Rolling Resistance Values, Economic Impact of Rolling Resistance, Internal Power Train Friction, Tire Flexing Under Load, Tire Penetration, Road Deflection, Air Resistance, Haul Road Trafficability and Cycle Time, Road Maintenance and Repair, Drainage Requirements, Dust Suppressants, Road Construction Materials, Surface Layer Materials, Compacted Gravel, Crushed Stone, Asphaltic Concrete, Roller Compacted Concrete (RCC), Stabilized Earth, Compacted Gravel and Crushed Rock, Asphaltic Concrete, Roller Compacted Concrete, Materials for Base and Sub-base Layers, Material Properties, Fly Ash, Compaction Requirements, Haul Road Economics, Road Construction Costs, Road Removal Costs, Impact on Fleet Productivity and Operating Cost, Differential Road Maintenance Costs, Extra Fleet Operating and Maintenance Costs, Time Value of Money, Introduction, Costs Associated With Road Building, Pre-road Construction Preparation, Road Construction Costs, Road Removal Costs, Fleet Productivity, Road Maintenance, Extra Fleet Operating and Maintenance Costs, Other Considerations, Climate, Application of Larger Trucks, Comparison of Temporary and Semi-permanent Roads, Temporary Road, Semi-permanent Road, Conclusion, Example of Full Life Cycle Economics Applied to a Haul Road, Temporary Road, Semi-permanent Road, Summary, References, Appendices, Haul Trucks and Tires, Haul Trucks, Rimpull-speed-Gradeability Curves, Haul Truck Retarder Curves, Truck Tires, Bearing Capacity and Vertical Strain, Bearing Capacity Analysis, Finite Element Strain Analyses, Type of Model Used, Size of Half Model, Type of Material, Mesh Type, Element Type, Number of Elements, Number of Nodes, Loading, Effect of Layer Stiffness on Vertical Strain, Effect of Layer Thickness on Vertical Strain, Effect of Tire Interaction, Summary and Recommendations, Questionnaire Details…

• Pages: 116
• Size: 1.01 MB
• Format: PDF (Adobe Reader)
• Content: Manual for Mine Haul Road Design – Guidelines – Survey of Haul Trucks & Roads for Surface Mines, Haul Road Planning and Alignment, Design of Haul Road Cross-section, Road Surface, Road Construction Materials, Haul Road Economics, Appendices, Haul Trucks and Tires, Bearing Capacity and Vertical Strain & Questionnaire Details Manual

MANUAL – GUIDELINES – MINE HAUL ROAD DESIGN – SURVEY – PLANNING – ALIGNMENT – CROSS-SECTION – ROAD SURFACE – CONSTRUCTION MATERIALS – ECONOMICS – HAUL TRUCKS – TIRES – BEARING CAPACITY – VERTICAL STRAIN