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AS/NZS 4676-2000 structural design requirements for utility services poles

Standard Number:  AS/NZS 4676-2000
Title:  structural design requirements for utility services poles
Language:  English
Replacing Standard:  DR 98206

Publication Date:  2000/8/30
Status:  Current
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:81P.;A4  

Description:Sets out minimum loads and requirements for strength, serviceability to be used in the structural design or assessment of individual poles supporting one or more utility services such as street lighting. Covers poles constructed of timber, steel and conc  
Catalog:Document Contents
AS/NZS 4676:2000 STRUCTURAL DESIGN REQUIREMENTS FOR UTILITY SERVICES POLES
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 GENERAL
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Guyed/stayed
1.4.2 Guyed mast
1.4.3 Lattice towers/masts
1.4.4 Pole
1.4.5 Guyed/stayed pole
1.4.6 Tower
1.5 NOTATION
1.6 CLASSIFICATION
1.6.1 General
1.6.2 Usage classes
1.6.3 Importance classes
1.6.4 Vehicle impact classes
SECTION 2 DESIGN REQUIREMENTS AND PROCEDURES
2.1 GENERAL
2.1.1 Requirements
2.1.2 Procedure
2.2 DESIGN FOR STABILITY
2.3 DESIGN FOR STRENGTH
2.4 DESIGN FOR SERVICEABILITY
2.5 DURABILITY
2.6 VEHICLE IMPACT
SECTION 3 LOADS AND LOAD COMBINATIONS
3.1 GENERAL
3.2 DEAD LOADS
3.3 SNOW AND ICE LOADS
3.3.1 General
3.3.2 Australian conditions
3.3.3 New Zealand conditions
3.4 WIND LOADS
3.5 EARTHQUAKE LOADS
3.6 LIVE LOADS AND MAINTENANCE LOADS
3.7 AERIAL CABLE LOADS
3.7.1 General
3.7.2 Dead loads
3.7.3 Wind load
3.7.4 Aerial cable tension loads
3.7.5 Stay loads
3.7.6 Torsional loads
3.8 LOADS ON FLAGS AND BANNERS
3.9 DESIGN LOAD COMBINATIONS
3.9.1 Design load
3.9.2 Combinations for the strength limit state
3.9.3 Combinations for the stability limit state
3.9.4 Combinations for the serviceability limit state
SECTION 4 DESIGN REQUIREMENTS FOR MATERIALS
4.1 STEEL
4.1.1 General
4.1.2 Minimum thickness
4.1.3 Requirements for plate thickness less than 3 mm
4.1.4 Serviceability
4.1.5 Low temperature requirements
4.2 CONCRETE
4.2.1 General
4.2.2 Strength
4.2.3 Strength capacity factor
4.2.4 Serviceability
4.2.5 Concrete cover
4.2.6 Reinforcement and tendons
4.3 TIMBER
4.3.1 General
4.3.2 Characteristic strengths and elastic moduli
4.3.3 Design factors-Material
4.4 OTHER MATERIALS
SECTION 5 ADDITIONAL DESIGN CONSIDERATIONS
5.1 GENERAL
5.2 AERIAL CONDUCTOR POLES
5.2.1 General
5.2.2 Durability
5.2.3 Maintenance procedures
5.2.4 Maintenance and construction loads
5.2.5 Minimum along-line pole strength
5.2.6 Vehicle impact
5.2.7 Earthing and lightning protection
5.2.8 Access for maintenance
5.3 LIGHTING POLES
5.3.1 General
5.3.2 Street lighting poles
5.3.3 Floodlighting poles
5.4 TRAFFIC SIGNAL POLES
5.5 ELECTROMOTIVE TRANSPORT SYSTEM POLES
5.5.1 General
5.5.2 Strength
5.5.3 Serviceability
5.5.4 Earthing and lightning protection
5.5.5 Vehicle impact
5.6 COMMUNICATION POLES
5.6.1 General
5.6.2 Strength
5.6.3 Serviceability
5.6.4 Earthing and lightning protection
5.6.5 Openings
5.6.6 Footings
5.6.7 Access for maintenance
5.6.8 Vehicle impact
5.7 POLES FOR OTHER PURPOSES
5.7.1 General
5.7.2 Loads from signage
5.7.3 Loads from flags and banners
5.8 ACCESS, INSPECTION AND MAINTENANCE
5.8.1 Access
5.8.2 Systematic inspection and maintenance
5.8.3 Maintenance
5.8.4 Maintenance methods
5.8.5 Records
5.9 REPAIRS
5.9.1 General
5.9.2 Strength
5.9.3 Stiffness
5.9.4 Durability
5.9.5 Earthing
SECTION 6 FOOTINGS AND FOUNDATIONS
6.1 GENERAL
6.1.1 Requirements
6.1.2 Definitions
6.2 MATERIAL PROPERTIES
6.2.1 Footing materials
6.2.2 Foundation materials
6.3 SPECIAL CONSIDERATIONS
6.3.1 Ground water
6.3.2 Backfilling
6.3.3 Guyed or stayed poles
6.3.4 Reactive soils
6.4 EMBEDMENT DEPTH
6.5 CONCRETE FOOTINGS
6.5.1 Design
6.5.2 Base fixing bolts
SECTION 7 DESIGN BY PROTOTYPE LOAD TESTING
7.1 SCOPE
7.2 GENERAL
7.2.1 Facilities for testing
7.2.2 Test specimens
7.3 TEST REQUIREMENTS
7.4 TESTING AND ACCEPTANCE
7.4.1 Test loads
7.4.2 Acceptance criteria
7.5 TEST REPORTS
SECTION 8 PREFERRED SIZES
8.1 GENERAL
8.2 VARIATION INCREMENTS
APPENDIX A - REFERENCED DOCUMENTS
APPENDIX B - IMPORTANCE CLASSES
B1 INTRODUCTION
B2 SELECTION OF IMPORTANCE CLASS
B2.1 General
B2.2 Importance Class I
B2.3 Importance Class II
B2.4 Importance Class III
B3 ALTERNATIVE APPROACH
APPENDIX C - SUGGESTED SERVICEABILITY LIMITS
C1 GENERAL
C2 LIGHTING POLES
C2.1 Street lighting poles
C2.2 Flood lighting poles
C3 POWER POLES
C4 COMMUNICATION EQUIPMENT POLES
C5 ELECTRIC TRACTION CONDUCTOR POLES
C6 TRAFFIC SIGNAL POLES
C7 OTHER CONSIDERATIONS
APPENDIX D - GUIDE TO THE SELECTION OF SERVICE LIFE
D1 GENERAL
D2 SUGGESTED NOMINAL SERVICE LIFE
D3 ADDITIONAL CONSIDERATIONS
D3.1 Soil type
D3.2 High water tables
D3.3 Accumulation of condensation
D3.4 Regions of low humidity
D3.5 Accidental damage
D3.6 Fire
D3.7 Concrete poles
D3.8 Timber poles
D3.9 Steel poles
APPENDIX E - DETERMINATION OF WIND LOADS
E1 SCOPE
E2 DESIGN PRESSURE
E3 BASIC REGIONAL WIND PRESSURE
E4 TERRAIN CATEGORY/HEIGHT FACTOR
E4.1 Terrain category
E4.2 Terrain category/ height factor
E5 TOPOGRAPHICAL FACTOR
E6 DRAG (SHAPE) FACTOR
APPENDIX F - DETERMINATION OF CONDUCTOR TENSIONS
F1 GENERAL
F2 SIMPLIFIED SAG/TENSION CALCULATIONS
APPENDIX G - LOADS FROM FLAGS AND BANNERS
G1 INTRODUCTION
G2 LIMITATIONS
G2.1 General
G2.2 Location
G2.3 Attachments
G2.4 Area
G2.5 Duration of attachment
G3 WIND LOADS
G3.1 Strength limit state
G3.2 Serviceability limit state
APPENDIX H - WATER ABSORPTION TEST
H1 SCOPE
H2 PRINCIPLE
H3 APPARATUS
H4 CONDITION OF SAMPLE POLES
H5 PREPARATION OF TEST SPECIMEN
H6 TEST PROCEDURES
H6.1 General
H6.2 Procedures
H7 CALCULATIONS
H8 RECORDS AND REPORTS
H8.1 Records
H8.2 Reports
APPENDIX I - FOOTINGS AND FOUNDATIONS
I1 GENERAL
I2 FOUNDATION PROPERTIES
I2.1 Bearing strength
I2.2 Shear strength
I3 FOOTINGS AND EMBEDMENT DEPTH IN SOILS
I3.1 General
I3.2 Direct-planted footings
I3.3 Fixed embedment depth
I4 DERIVATION OF EMBEDMENT FORMULA
I5 TABLES OF MINIMUM EMBEDMENT DEPTHS
APPENDIX J - PREFERRED POLE LENGTHS AND ULTIMATE LOAD CAPACITIES
J1 GENERAL
J2 PREFERRED LENGTHS AND ULTIMATE LOAD CAPACITIES
APPENDIX K - STRUCTURAL TEST FOR PROTOTYPE POLES
K1 SCOPE
K2 PRINCIPLE
K3 APPARATUS
K4 TEST LOADS
K4.1 General
K4.2 Strength limit state
K4.3 Serviceability limit state
K5 PROCEDURE
K5.1 Direct-embedded poles
K5.2 Baseplate-mounted poles
K6 REPORT
  
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Tile in English:  structural design requirements for utility services poles

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