Qatar-Bahrain Causeway Project


      Bridges Middle East Conference 2009
• Bridges in the region
• Qatar-Bahrain Causeway
  (the latest & greatest)
• Design and construction issues
• Introduction...
Bridges in the Region


 Bridges Middle East Conference 2009



                                       3
Typically:                       Notably:
• Water crossings                • Abu Dhabi
• Connect population centres     • ...
Drivers:
• Economic growth
• Population growth
• Urban expansion
• Development of major
  infrastructure
• Increasing traf...
Abu Dhabi




                                   Sheikh Zayed Bridge




Saadiyat Island Bridge (Sheikh Khalifa Bridge)   ...
Dubai
                 Business Bay Bridge




Garhoud Bridge                                        Palm Jebel Ali Cresce...
Bahrain




Sheikh Khalifa bin Salman Bridge

                                                     Sheikh Isa Causeway



...
Sitra Causeway




Bridges in the Region               9
King Fahd Causeway




 Bridges in the Region   10
Qatar-Bahrain Causeway


  Bridges Middle East Conference 2009



                                        11
QBC
Project Overview
•   40km marine causeway
•   2 lane highway in each direction           Bahrain

•   Adjacent high-sp...
Qatar-Bahrain Causeway   13
Design and Construction Issues


      Bridges Middle East Conference 2009



                                            ...
Large Marine Site

• Pre-cast solution adopted:
   – To limit offshore operations
   – To maintain control over quality & ...
Material:
• Volumes required
• Need to ensure
   – Consistent quality
   – Reliability of supply
• High import content
• M...
Concrete Durability: Options
•   Stainless steel
•   Corrosion inhibitor
•   Coating
•   Cathodic Protection
•   Extent of...
Eurocode:
• One of the first projects to use
• Europe-wide code for bridge design
  (road/rail) from 2010
• Option of fact...
Alignment at Landing Points


Influenced by:
•   Archaeology (Qatar)
•   Competing land use (Bahrain)
•   Stakeholder Requ...
Qatar Landing Point




Design and Construction issues   20
3 km



Design and Construction issues   21
Design and Construction issues   22
Introduction of Rail


Bridges Middle East Conference 2009



                                      23
Introduction of Rail

Concept design:
•   Road only
•   Twin deck viaducts
•   80 m viaduct spans
•   Cable-stay bridges o...
Impact of Rail
• Larger vertical and horizontal loads
    – Freight
• Limitation on gradient and horizontal curvature
    ...
Resultant changes to concept design:
•   Vertical and horizontal alignments revised
•   Length of viaduct increased
•   St...
Technical Challenges


 Bridges Middle East Conference 2009



                                       27
Environmental
•   Zero impact on hydraulic flows
•   Extensive baseline measurements
•   Ongoing Monitoring
•   Constraint...
Quality & Safety
•   Remote sites
•   Working at height
•   Heavy lifts
•   24/7 working
•   Cost-driven schedule
•   Moti...
Rail Issues
•   Axle Load            •   Bahrain Network
•   Speeds               •   Qatar Network
•   Height Clearance  ...
Dredging of Navigation Channels
• Unsuitable material
• Creative disposal


Ship impact on Main Bridges
•   Designed to de...
Settlement of Embankments
• Soil improvement & testing
• Deferred rail solution
• Ballasted track


High Voltage Interconn...
In Conclusion

• Rich heritage of major bridges in the GCC
• The Qatar Bahrain Causeway will enrich this
  heritage
• Firs...
Thank You




            34
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Bridges Middle East - Rick Haggett - Qatar Bahrain Causeway Management

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The region’s only event dedicated to designing, planning and delivering sustainable bridges
Following the phenomenal success of IQPC’s global Bridges series, including two regional summits, we are delighted to announce the third Bridges Middle East summit will take place under the patronage of Abu Dhabi Municipality and the official support of Ministry of Public Works, Kuwait on 24-27 October 2010 in Abu Dhabi.
For more information visit www.bridgesme.com

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Bridges Middle East - Rick Haggett - Qatar Bahrain Causeway Management

  1. 1. Qatar-Bahrain Causeway Project Bridges Middle East Conference 2009
  2. 2. • Bridges in the region • Qatar-Bahrain Causeway (the latest & greatest) • Design and construction issues • Introduction of rail • Technical challenges Introduction 2
  3. 3. Bridges in the Region Bridges Middle East Conference 2009 3
  4. 4. Typically: Notably: • Water crossings • Abu Dhabi • Connect population centres • Dubai • Access key infrastructure • Bahrain Bridges in the Region 4
  5. 5. Drivers: • Economic growth • Population growth • Urban expansion • Development of major infrastructure • Increasing traffic Bridges in the Region 5
  6. 6. Abu Dhabi Sheikh Zayed Bridge Saadiyat Island Bridge (Sheikh Khalifa Bridge) Hodariyat Bridge Bridges in the Region 6
  7. 7. Dubai Business Bay Bridge Garhoud Bridge Palm Jebel Ali Crescent Bridges Dubai Metro Sheikh Rashid bin Saeed Crossing (6th Crossing) Bridges in the Region 7
  8. 8. Bahrain Sheikh Khalifa bin Salman Bridge Sheikh Isa Causeway Bridges in the Region 8
  9. 9. Sitra Causeway Bridges in the Region 9
  10. 10. King Fahd Causeway Bridges in the Region 10
  11. 11. Qatar-Bahrain Causeway Bridges Middle East Conference 2009 11
  12. 12. QBC Project Overview • 40km marine causeway • 2 lane highway in each direction Bahrain • Adjacent high-speed rail facility • 2 dredged navigation channels • 2 high level arch bridges Qatar • 23km bridges / viaducts • 17km embankments • 2 rest area islands • Interchanges, tolling, border facilities Qatar-Bahrain Causeway 12
  13. 13. Qatar-Bahrain Causeway 13
  14. 14. Design and Construction Issues Bridges Middle East Conference 2009 14
  15. 15. Large Marine Site • Pre-cast solution adopted: – To limit offshore operations – To maintain control over quality & safety • Design closely linked to construction methods • Design-Build approach adopted • Allows fast-tracking of schedule Design and Construction issues 15
  16. 16. Material: • Volumes required • Need to ensure – Consistent quality – Reliability of supply • High import content • Marine Borrow • Durability considerations Design and Construction issues 16
  17. 17. Concrete Durability: Options • Stainless steel • Corrosion inhibitor • Coating • Cathodic Protection • Extent of splash zone Design and Construction issues 17
  18. 18. Eurocode: • One of the first projects to use • Europe-wide code for bridge design (road/rail) from 2010 • Option of factored loads or 3rd party checks • Reliability & Consequence Classes Design and Construction issues 18
  19. 19. Alignment at Landing Points Influenced by: • Archaeology (Qatar) • Competing land use (Bahrain) • Stakeholder Requirements Design and Construction issues 19
  20. 20. Qatar Landing Point Design and Construction issues 20
  21. 21. 3 km Design and Construction issues 21
  22. 22. Design and Construction issues 22
  23. 23. Introduction of Rail Bridges Middle East Conference 2009 23
  24. 24. Introduction of Rail Concept design: • Road only • Twin deck viaducts • 80 m viaduct spans • Cable-stay bridges over Navigation Channels Introduction of Rail 24
  25. 25. Impact of Rail • Larger vertical and horizontal loads – Freight • Limitation on gradient and horizontal curvature – High-speed passenger • Extended Schedule Introduction of rail 25
  26. 26. Resultant changes to concept design: • Vertical and horizontal alignments revised • Length of viaduct increased • Stronger, stiffer structures • Arch bridges replaced cable-stayed • Closer pier spacing • Twin road decks combined • Navigation Channel relocated Introduction of rail 26
  27. 27. Technical Challenges Bridges Middle East Conference 2009 27
  28. 28. Environmental • Zero impact on hydraulic flows • Extensive baseline measurements • Ongoing Monitoring • Constraints on construction methods Technical challenges 28
  29. 29. Quality & Safety • Remote sites • Working at height • Heavy lifts • 24/7 working • Cost-driven schedule • Motivating the workforce Technical Challenges 29
  30. 30. Rail Issues • Axle Load • Bahrain Network • Speeds • Qatar Network • Height Clearance • GCC Network • Emergency Escape • Maintenance Access Technical Challenges 30
  31. 31. Dredging of Navigation Channels • Unsuitable material • Creative disposal Ship impact on Main Bridges • Designed to deflect • Seismic resistant • Visual Impact • Technical challenges Technical challenges 31
  32. 32. Settlement of Embankments • Soil improvement & testing • Deferred rail solution • Ballasted track High Voltage Interconnect • Three 220 kV circuits • Two 400 kV circuits Technical challenges 32
  33. 33. In Conclusion • Rich heritage of major bridges in the GCC • The Qatar Bahrain Causeway will enrich this heritage • First high-speed rail crossing • Numerous challenges to overcome • A landmark project for the Region Concluding remarks 33
  34. 34. Thank You 34

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