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AS 5100.7:2017

[Current]

Bridge design, Part 7: Bridge assessment

Sets out a rating process for existing bridges to specify their safe capacity for carrying repeated traffic loads for their defined remaining service life.
Published: 31/03/2017
Pages: 37
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and application
1.1 Scope
1.2 Application
2 Normative references
3 Definitions
4 Notation and abbreviations
4.1 Notation
4.2 Abbreviations
5 Matters for resolution before design commences
6 General
7 Future growth of traffic or future structural deterioration
8 Rating—limit states
8.1 General
8.2 Ultimate limit state (ULS)
8.3 Serviceability limit state (SLS)
8.4 Fatigue limit state (FLS)
9 Bridge assessment and load rating
10 Structural capacity
10.1 General
10.2 Data collection
10.2.1 Desktop assessment
10.2.2 Material properties
10.2.2.1 Review of original construction document
10.2.2.2 Mill certificates
10.2.2.3 Analysis of tests or samples
10.2.2.4 Prestressing steel
10.2.2.5 Deteriorated concrete
10.3 Condition
10.4 Field measurement of geometry
10.5 Assessment of capacity reduction factors
10.6 Capacity assessment
10.6.1 General
10.6.2 Reinforced and pre-stressed concrete members
10.6.3 Steel, cast iron and wrought iron members
10.6.4 Timber members
10.6.5 Masonry structures
10.6.5.1 General
10.6.5.2 Masonry arches
10.6.5.3 Assessment methods
10.7 Critical sections for analysis
10.8 Recording assumptions and results
11 Loads
11.1 General
11.2 Permanent loads
11.2.1 Dead load and superimposed dead load
11.2.2 Earth pressure and hydrostatic pressure
11.2.3 Secondary effects from prestressing
11.2.4 Shrinkage and creep of concrete, differential or foundation settlement and bearing friction
11.3 Road traffic
11.3.1 Nominated rating vehicles
11.3.2 Co-existing vehicles
11.3.3 Vehicle positioning
11.3.4 Permit vehicles
11.3.5 Accompanying lane factor
11.3.6 Dynamic load allowance
11.3.7 Horizontal loads
11.4 Rail traffic
11.4.1 Nominated rating vehicles
11.4.2 Multiple track factor
11.4.3 Dynamic load allowance
11.4.4 Distribution of rail traffic load
11.4.5 Horizontal forces
11.5 Pedestrian, cyclist path and maintenance traffic loading
11.6 Other transient loads
11.6.1 Wind loads on rail bridges
11.6.2 Temperature effects
11.6.3 Exceptional loads
12 Load factors
12.1 Serviceability limit state (SLS)
12.2 Ultimate limit state (ULS)
13 Fatigue
13.1 General assessment
13.2 Special criteria for rivets and bolts
14 Load rating factor
14.1 General
14.2 Load rating factor for a single load effect
14.3 Load rating factor for combined load effects
15 Load testing
15.1 General
15.2 Types of load testing
15.3 Destructive testing
15.3.1 General
15.3.2 Assessment of destructive test results
15.4 Proof load testing
15.4.1 General
15.4.2 Assessment of static proof load testing results
15.4.3 Rated load from proof load testing
16 Structural health monitoring (SHM)
16.1 General
16.2 Ambient conditions
16.3 Test vehicles
16.4 Damage and deterioration detection and assessment
16.4.1 General
16.4.2 Parameter identification
16.4.3 Pattern recognition
16.4.4 System identification
16.5 Performance load testing and monitoring
16.5.1 General
16.5.2 Assessment of static performance load test results
16.5.3 Modification of dynamic load allowance based on testing
17 Other test methods
Appendix A
A1 Strength based on date of construction
A1.1 General
A1.2 Steel reinforcement
A1.3 Stressing tendons
A1.4 Concrete
A1.5 Rivets
A1.6 Steel, wrought iron and cast iron
A1.7 Old rail properties
Bibliography
Cited references in this standard
[Current]
Bridge design, Part 9: Timber
[Current]
Bridge design, Part 3: Foundation and soil-supporting structures
[Current]
Bridge design, Part 5: Concrete
[Current]
Bridge design, Part 8: Rehabilitation and strengthening of existing bridges
[Current]
Timber structures, Part 1: Design methods
Content history
[Superseded]
DR 100294
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