Forth Replacement Crossing: Forth Road Bridge Feasibility of Multi-modal Corridor

Report on Study
August to October 2008

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Bibliography and Workstream Timeline

1 Introduction
1.1 Introduction
1.2 Scope of this report
1.3 Limitations
1.4 Functional Definitions
1.5 Analytical Studies

2 Description of the Existing Bridge
2.1 General Arrangement
2.2 Original Functionality
2.3 Main Bridge Deck System and Articulation
2.4 Towers

3 Loading
3.1 Design (1964) Dead Loading
3.2 Design (1964) Traffic and Pedestrian Loading
3.3 Design (1964) Environmental Loading
3.4 Traffic Loading for the Study
3.5 Footway/Cycleway Loading
3.6 Design Traffic and Footway Loading
3.7 Railway Live Loading
3.8 Dead Loading Associated with the Railway

4 Tram and Light Railway Issues
4.1 Definitions
4.2 Tram and Light Railway Functional Characteristics
4.3 Rail System
4.4 Derailment Containment
4.5 Emergency and Maintenance Walkways
4.6 Parapets and Barriers

5 Conceptual Options
5.1 Assumed Fundamental Constraints
5.2 Measures to Mitigate Load Changes
5.3 Functional Constraints
5.4 Particular Measures
5.5 Catalogue of Functional Options for the Main Bridge
5.6 Main Bridge – Changes in Dead Load
5.7 Approach Spans – Changes in Dead Load
5.8 Summary – Changes in Dead Load

6 Response of Bridge to Changes in Loading
6.1 Methodology
6.2 Analytical Study
6.3 Comparison of Various Loading Patterns
6.4 Transverse Behaviour
6.5 Approach Viaducts

7 The Rail Movement Joint
7.1 The issue
7.2 Evidence of Other Existing Bridges
7.3 Conclusion

8 Conclusions
8.1 Summary
8.2 Recommendations
8.3 Ongoing study

Appendix A - Drawings
Appendix B - References

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Published Date 14 Apr 2009 Type Projects