Download As 4324.1-1995 Mobile Equipment for Continuous Handling of Bulk Materials General Requirements for the Design PDF

TitleAs 4324.1-1995 Mobile Equipment for Continuous Handling of Bulk Materials General Requirements for the Design
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Table of Contents
                            AS 4324.1-1995 MOBILE EQUIPMENT FOR CONTINUOUS HANDLING OF BULK MATERIALS - GENERAL REQUIREMENTS FOR THE DESIGN OF STEEL STRU
	PREFACE
	SECTION 1 SCOPE AND GENERAL
		1.1 SCOPE
		1.2 APPLICATION
		1.3 INNOVATION
		1.4 REFERENCED DOCUMENTS
		1.5 NOTATION
		1.6 DEFINITIONS
			1.6.1 Crowding board
			1.6.2 Design audit engineer
			1.6.3 Excavator
			1.6.4 Fail-safe
			1.6.5 Fatigue capacity
			1.6.6 Fatigue strength
			1.6.7 Harrowing or raking motion
			1.6.8 Mobile equipment for continuous handling of bulk materials
			1.6.9 Owner
			1.6.10 Purchase specification
			1.6.11 Purchaser
			1.6.12 Reclaimer
			1.6.13 Regulatory Authority
			1.6.14 Shall
			1.6.15 Should
			1.6.16 Spreader
			1.6.17 Stacker
			1.6.18 Stockpile
			1.6.19 Storm park position
			1.6.20 Strength
			1.6.21 Stress range
			1.6.22 Supplier
			1.6.23 Tripper
		1.7 BASIC DIGGING PARAMETERS FOR BUCKET WHEEL MACHINES
		1.8 CORROSION PROTECTION
	SECTION 2 MATERIALS
		2.1 GENERAL
		2.2 LIMITATION ON USE OF BRITTLE MATERIALS
			2.2.1 Critical applications
			2.2.2 Non-critical applications
	SECTION 3 LOAD ASSUMPTIONS
		3.1 BULK DENSITY
		3.2 LOAD GROUPS
		3.3 MAIN LOADS
			3.3.1 Grouping
			3.3.2 Dead Loads (E)
			3.3.3 Encrustation (V)
			3.3.4 Inclination (N)
			3.3.5 Live loads (F)
			3.3.6 Basis for normal digging and lateral resistance determination
			3.3.7 Normal digging resistance (U)
			3.3.8 Normal lateral digging resistance (S)
			3.3.9 Permanent dynamic effects (D)
			3.3.10 Forces associated with conveyor elements (G)
			3.3.11 Friction (R)
			3.3.12 Travel (L)
		3.4 ADDITIONAL LOADS
			3.4.1 Grouping
			3.4.2 Wind during operation (W)
			3.4.3 Temperature (T)
			3.4.4 Abnormal digging resistance (UU)
			3.4.5 Abnormal lateral digging resistance (SS)
			3.4.6 Travel skew forces (LS)
			3.4.7 Non-permanent dynamic effects (DD)
			3.4.8 Snow, ice and hail loads (K)
			3.4.9 Access ways (P)
			3.4.10 Erection and weighing (Y)
			3.4.11 Maintenance loads (X)
			3.4.12 Abnormal inclination (NN)
		3.5 SPECIAL LOADS
			3.5.1 Grouping
			3.5.2 Grounding of a bucket wheel, ladder or boom
			3.5.3 Uneven support where rail mounted (QQ)
			3.5.4 Uneven support where crawler mounted (QQ)
			3.5.5 Blocked chutes and hoppers (VV)
			3.5.6 Excess material on conveyors (FF)
			3.5.7 Travelling device obstructed (LL)
			3.5.8 Lateral collision of boom (FS)
			3.5.9 End-on collision of boom (FT)
			3.5.10 Wind while idle (WW)
			3.5.11 Buffers (OO)
			3.5.12 Earthquakes (EQ)
			3.5.13 Burying (ZZ)
			3.5.14 Bucket wheel and gearbox loss (BL)
			3.5.15 Abnormal friction (RR)
			3.5.16 Extra Loads (EL)
		3.6 FATIGUE LOADS
			3.6.1 General
			3.6.2 Dead loads and encrustation (+/+E AND +/+V)
			3.6.3 Inclination (+/-N)
			3.6.4 Live loads on conveyors (+/0CF.F)
			3.6.5 Normal digging resistance (+/0CU.U)
			3.6.6 Lateral digging resistance (+/-CS.S)
			3.6.7 Permanent dynamic effects (+/D)
			3.6.8 Conveyor elements (+/0G)
			3.6.9 Friction (+/-R)
			3.6.10 Travel (+/-L)
		3.7 LOAD CASES
	SECTION 4 OVERTURNING AND DRIFTING
		4.1 STABILITY AGAINST OVERTURNING
		4.2 RESISTANCE AGAINST DRIFTING
	SECTION 5 STRUCTURES
		5.1 LOADS AND LOAD CASES
		5.2 FATIGUE LIFE
		5.3 STEELS HAVING A HIGH YIELD TO ULTIMATE TENSILE STRENGTH RATIO
		5.4 DESIGN METHODS TO ALLOW FOR STRENGTH AND SERVICEABILITY
			5.4.1 General
			5.4.2 Permissible stress design method
			5.4.3 Limit state design method
		5.5 FATIGUE STRENGTH OF STRUCTURAL COMPONENTS AND JOINTS
			5.5.1 General
			5.5.2 Permissible stress ranges
			5.5.3 Assessment of biaxial stress field
			5.5.4 Compressive stress ranges
		5.6 BOLTING AND RIVETING
			5.6.1 Application
			5.6.2 Fitted bolts
			5.6.3 Low strength non-fitted bolts (e.g. forged black bolts)
			5.6.4 Rivets
			5.6.5 Joints using high tensile bolts
			5.6.6 Load indicating washers
			5.6.7 Serrated bearing bolts
		5.7 STEEL WIRE ROPES, STRAPS AND STAYS, AND HYDRAULIC CYLINDERS IN TENSION
			5.7.1 General
			5.7.2 Factors to be considered
			5.7.3 For operator’s cabin
			5.7.4 Duplication
			5.7.5 Safety factor
		5.8 SLEWING RACE SAFETY HOOKS TO PREVENT SEPARATION AT THE SLEW RACE
		5.9 MASS AND CENTRE OF GRAVITY OF MACHINE
		5.10 LIFTING BEAMS AND LUGS
	APPENDIX A - EXPLANATORY NOTES
		A1 INTRODUCTION
		A2 CLAUSE 1.8
		A3 CLAUSES 2.1 AND 2.2
		A4 CLAUSES 3.3.1 TO 3.3.5
		A5 CLAUSE 3.3.6
		A6 CLAUSE 3.3.7
		A7 CLAUSE 3.3.8
		A8 CLAUSE 3.3.9
		A9 CLAUSE 3.3.10
		A10 CLAUSE 3.4.2
		A11 CLAUSE 3.4.4
		A12 CLAUSE 3.4.6
		A13 CLAUSES 3.5.5 AND 3.5.6
		A14 CLAUSE 3.5.7
		A15 CLAUSES 3.5.8 AND 3.5.9
		A16 CLAUSE 3.5.11
		A17 CLAUSE 3.5.13
		A18 CLAUSE 3.6
		A19 TABLE 3.7
		A20 CLAUSE 5.3
		A21 CLAUSE 5.4.2.4
		A22 CLAUSE 5.4.2.5
		A23 CLAUSE 5.4.2.6
		A24 CLAUSE 5.4.3
		A25 CLAUSE 5.5
		A26 CLAUSE 5.5.3
		A27 CLAUSE 5.7
		A28 CLAUSE 5.8
	APPENDIX B - INFORMATION THAT SHOULD BE SUPPLIED WITH A PURCHASE SPECIFICATION
	APPENDIX C - REFERENCES
		C1 REFERENCED STANDARDS
		C2 GERMAN CODES
		C3 BIBLIOGRAPHY
	APPENDIX D - QUANTITY SYMBOLS
	APPENDIX E - TYPICAL TYPES OF MOBILE CONTINUOUS BULK HANDLING EQUIPMENT
	APPENDIX F - BASIC DIGGING PARAMETERS FOR BUCKET WHEEL MACHINES
		F1 QUANTITY SYMBOLS FOR APPENDIX F
		F2 BASICS FOR CALCULATIONS
	APPENDIX G - LOOSE MEASURE VOLUMETRIC CAPACITY OF DIGGING ELEMENTS
		G1 GENERAL
		G2 BUCKET WHEELS
		G3 BUCKET CHAINS
	APPENDIX H - TYPICAL BULK DENSITIES OF HANDLED MATERIAL
	APPENDIX I - LIVE LOADS ON CONVEYORS
		I1 NOMINAL CAPACITIES OF CONVEYORS
			I1.1 Units with no built-in digging device
			I1.2 Units fitted with digging or reclaiming device
			I1.3 Units that are loaded by and travel during operation with a yard conveyor or the like
		I2 LOAD CROSS- SECTIONAL AREA (S) FOR MAIN LIVE LOAD (F)
		I3 MAXIMUM LOAD CROSS SECTIONAL AREA (Sm) FOR SPECIAL LOAD (FF)
	APPENDIX J - DE- RATING FACTORS FOR PLATE BUCKLING
	APPENDIX K - FUNCTIONS FOR A DESIGN AUDIT ENGINEER DURING AUDIT OF A STRUCTURE
                        
Document Text Contents
Page 7

5 AS 4324.1 — 1995

Page

I4 CROSS-SECTIONAL AREA OF MATERIAL ON A FOUR-ROLLER
BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

I5 CROSS-SECTIONAL AREA OF MATERIAL ON A FIVE-ROLLER
BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

I6 TYPICAL MAXIMUM CROSS SECTIONS . . . . . . . . . . . . . . . . . . . . 98

First published as AS 4324.1— 1995.

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