AS/NZS 3785.6:2015 UNDERGROUND MINING-SHAFT EQUIPMENT - FIXED GUIDES, ROPE GUIDES AND RUBBING ROPES FOR CONVEYANCES
PREFACE
CONTENTS
FOREWORD
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Bunton/dividers
3.2 Chairing
3.3 Clearance
3.4 Competent person
3.5 Conveyance
3.6 Conveyance guide assemblies
3.7 Dynamic clearance
3.8 Fixed guides
3.9 Gauge
3.10 Gripper system
3.11 Head rope
3.12 Imposed loads
3.13 Moving beam misalignment
3.14 Overwind
3.15 Permanent loads
3.16 Rope break force
3.17 Rope guides
3.18 Rubbing ropes
3.19 Shaft clearance envelope
3.20 Shaft sinking system
3.21 Shall
3.22 Should
3.23 Slipper plate
3.24 Static clearance
3.25 Static design factor
3.26 Tail rope
4 MATERIALS
4.1 General
4.2 Fixed steel guides
4.3 Fixed timber guides
4.4 Wire guide ropes and rubbing ropes
4.5 Rope suspension glands
5 DESIGN-FIXED GUIDES
5.1 Design philosophy
5.2 Shaft condition classification for fixed guides
5.3 Shaft zone classification
5.4 Actions and effects
5.4.1 General
5.4.2 Fixed guides in vertical shafts in shaft zone A
5.4.3 Fixed guides in vertical shafts in shaft zone B
5.4.4 Fixed guides in vertical shafts in shaft zones C and D
5.4.5 Fixed guides in conveyance loading zones
5.4.6 Assessment of other loads and actions
5.5 Operating conditions-Load factors and load combinations
5.5.1 Partial load factors and load combination factors
5.5.2 Load combinations
5.5.3 Fatigue design loads
5.6 Emergency conditions-Load combinations
5.7 Special design requirements for shaft guidance structures for different shaft zones
5.8 Additional limit states
5.8.1 Strength and serviceability
5.8.2 Lateral displacement of conveyance
5.8.3 Fatigue
5.8.4 Rebound velocity ratio
5.8.5 Amplification of loads and load effects
5.9 Allowances, tolerances, adjustments
5.9.1 Corrosion/wear allowance
5.9.2 Shaft clearances
5.9.3 Guide alignment
5.9.4 Adjustment
5.9.5 Shrinkage-Timber guides
5.9.6 Thermal expansion-Steel guides
5.9.7 Splices
5.9.8 Hydrostatic pressure
5.9.9 Guide stiffness
6 DESIGN-ROPE GUIDES AND RUBBING ROPES
6.1 General
6.2 Design requirements
6.2.1 Static clearances
6.2.2 Dynamic clearances during hoisting
6.2.3 Calculation of dynamic clearances
6.2.4 Rope static design factor
6.2.5 Rope attachments and suspension components
6.2.6 Tensioning
6.2.7 Tension monitoring and adjustment
6.2.8 Suspension method
6.2.9 Spillage protection
6.3 Rope selection
7 MANUFACTURE
7.1 Steel guides
7.1.1 Manufacture and inspection
7.1.2 Tolerances
7.2 Timber guides
7.2.1 Manufacture
7.2.2 Tolerances
7.3 Guide ropes and rubbing ropes
8 INSPECTION AND MAINTENANCE
8.1 General
8.2 Fixed guides
8.3 Guide ropes and rubbing ropes
8.3.1 General
8.3.2 Visual inspection
8.3.3 Non-destructive testing
8.3.4 Tensioning
8.3.5 Spillage protection
APPENDIX A - EXTRACTS FROM GERMAN AND SWEDISH REGULATIONS
APPENDIX B - FORCES ACTING ON ROPE-GUIDED CONVEYANCES
B1 GENERAL
B2 FORCES AFFECTING CONVEYANCE TRAJECTORY
B2.1 Aerodynamic forces
B2.2 Head/tail rope torque
B2.3 Coriolis forces
B3 RESTORATIVE FORCES
B3.1 Restoring action of guide ropes
B3.2 Restoring action of head ropes
B3.3 Restoring action of tail ropes
B4 LOCATION AND NUMBER OF GUIDE ROPES
B5 BIBLIOGRAPHY
APPENDIX C - SELECTION OF GUIDE ROPES
