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Walterdale Bridge Replacement CSCE Edmonton Section, Dinner Meeting November, 21 2013

2013 11 21-walterdale_csce

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  • 1. Walterdale Bridge Replacement CSCE Edmonton Section, Dinner Meeting November, 21 2013

2. The Design Team Owner/Client Project Lead/Civil/Roadways Roadways/Civil/Utilities Bridge Design/Architecture/ Landscaped Architecture Historical Resources Environmental 3. The Construction Team General Contractor Structural Steel Fabricator Acciona Pacer Joint Venture Daewoo International Corporation 4. Road Map The Project Concept Study Bridge Design Detailed Design Construction 5. The Project 6. The Project Existing bridge near end of useful life Important link and setting 7. Project Scope and Context 8. Historical Resources 9. Interpretive Belvedere 10. Stakeholder Stakeholder Profiling interviews Stakeholder involvement panel meetings 11. Public Consultation Public Consultation Plan Open Houses Final Information Session 12. Aboriginal Consultation Alberta Culture requirements 21 First Nations 13. Roadway Connections 14. Proposed Shared Use Paths 15. South Bank 16. South Bank 17. North Bank 18. North Bank 19. View from River to North Bank 20. Planting 21. Concept Study 22. GirderExtradosedCable Stayed 23. Arch 24. Arch Bridge Typology Strong visual impact Announces downtown Contemporary and iconic quality Classic form that respects existing bridge and relates to High Level and Low Level bridges Beautiful artistic form Balances function with beauty Connects south and north banks Can separate vehicular traffic from pedestrians and cyclists Place to touch the water 25. Bridge Design 26. Design CharretteAll you need in this life is ignorance and confidence, and then success is sure. - Mark Twain 27. Alt 1 - $77 MAlt 2 - $90 MPreliminary Design Key Feature Multi-Use Trail Alt 3 - $150 M 28. Shared Use Path 29. Replacement Bridge 30. Replacement Bridge 31. Replacement Bridge 32. Pedestrians and Cyclists 33. Pedestrians and Cyclists8 m clear at abutments 4.2 m clear at mid-span 131 m long bench 3.2 m clear at hangers 4.6 m clear betweenSHARED USE PATHSIDEWALK 34. Bridge Finishes Structural steel Concrete Bench on shared use path, abutment delta pier Railings Deck wearing surface Shared use path wearing surface Sidewalk Durable, white paint Natural color Anti-graffiti coatings Stainless steel Asphalt Asphalt with timber accents Broom finished concrete 35. Bridge Lighting 36. Detailed Design 37. Analysis Nonlinear geometric response to loads SAP and CSiBridge CAMIL Sequentially tune bridge to achieve desired geometry Hanger cable forces Axial forces in arch ribs 38. SAP ModelSAP COMPUTER MODEL 39. BucklingBUCKLING MODE 6Mode 6Mode 1Mode 4 40. Shared Use Path Model for Preliminary Sidewalk Model for Member Sizing Preliminary Member SizingStresses from Stresses from Flexure in Box Girder Flexure in Box GirderDeflections DL + LLDeflections DL+ LL 41. Tuned DL on Shared Use PathTruck/Lane Load on Shared Use Path 42. Tuned DL Axial ForceTuned DL MomentTruck/Lane Moment 43. Arch Bridge Erection 44. Float-In Concept 45. Stay Tower and Berm Access 46. Double Berm with Center Lift 47. Double Berm with Center Lift 48. Double Berm with Center Lift 49. Double Berm with Center Lift 50. Abutments 51. Thrust Blocks 52. Thrust Blocks 53. Arch Ribs Member design CfU 1x M fsU 1 y M fyCrM rxM ry Connection a base and splices 1.0Cf1x ,total2buckling3 4X(1 Fy FcrUM fxA Cf Cr 2n)UM fySxSy(1 X ) s Fy 1/ nbuckling 54. Arch Ribs Stresses Buckling moments Moments from initial imperfections Residual stresses Stresses from externally applied design actions 55. Arch Ribs Base 2.5 m by 2.5 m 100 mm plate Crown 1.4 m by 1.4 m 75 mm plate 56. Roadway Deck 57. Edge Girder 58. Cross Beam Between Arch RibsElevationSection 59. Cross Beam 60. Shared Use Path 61. Shared Use Path 62. Cables Z-steel Spherical bearings Dry cable galloping Snow and ice accumulations 63. Architectural Details 64. Construction 65. The Tenders Tender 1: Phase I Berms Awarded to Sprague-Rosser Tender 2: Bridge and Roadway Construction Pre-qualified steel suppliers Pre-qualified six construction teams Competitive tender Awarded to Acciona Pacer Joint Venture 66. Construction So Far Site Preparation (Phase I berms) Utilities Queen Elizabeth Park Road and Park Access Road Removal of Belvedere Thrust Blocks Steel Fabrication 67. 2013 Construction 68. 2013 Construction 69. 2013 Construction 70. 2013 Construction 71. 2013 Construction 72. 2013 Construction 73. 2013 Construction 74. Daewoo Fabrication Shop 75. Future Construction Walterdale Hill Road Delivery of steel Erection of steel Roadway tie-ins Removal of old bridge 76. Replacement Bridge 77. Conclusion and Discussion