from theory to practice frp strengthening of the ste m lie bridge n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
From theory to practice: FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE PowerPoint Presentation
Download Presentation
From theory to practice: FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE

Loading in 2 Seconds...

play fullscreen
1 / 127

From theory to practice: FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE - PowerPoint PPT Presentation


  • 135 Views
  • Uploaded on

From theory to practice: FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE. Pierre Labossière, ing. Ph.D. Professeur Département de génie civil. FRP Strengthening of the Ste-Émélie Bridge. FRP Strengthening of the Ste-Émélie Bridge. Outline. FRPs for the structural engineer

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

From theory to practice: FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
    Presentation Transcript
    1. From theory to practice:FRP STRENGTHENING OF THE STE-ÉMÉLIE BRIDGE Pierre Labossière, ing. Ph.D. Professeur Département de génie civil

    2. FRP Strengthening of the Ste-Émélie Bridge

    3. FRP Strengthening of the Ste-Émélie Bridge

    4. Outline • FRPs for the structural engineer • Ste-Émélie de l'Énergie Bridge • Bridge description • Research program • FRP strengthening of the bridge • Bridge testing • Budgetary considerations • Instrumentation • Remarks • Conclusion

    5. FRPs for the structural engineer • Fibre reinforced polymers

    6. Fibre (glass or carbon) f frpu Matrix (epoxy or vinylester) Stress E frp e frpu Strain FRPs for the structural engineer • Stress-strain curves

    7. FRPs for the structural engineer

    8. FRPs for the structural engineer

    9. FRPs for the structural engineer

    10. FRPs for the structural engineer

    11. FRPs for the structural engineer

    12. FRPs for the structural engineer • Interest of the Ministère des Transports du Québec (MTQ) • Live load rating factor LLRF = ( C1R – C2D) / C3L • LLRF › 1 QS 660 satisfied • 0.85 ‹ LLRF ‹ 1 Legal load acceptable • Forbidden to overloaded trucks • Reinforcement recommended • LLRF ‹ 0.85  Legal load excessive • Reduced maximum load posted • Reinforcement compulsory

    13. FRPs for the structural engineer • Interest of the Ministère des Transports du Québec (MTQ) • Strengthen bridges for which LLRF < 0.85

    14. FRPs for the structural engineer • Interest of the Ministère des Transports du Québec (MTQ) • Observation • Bridge condition directly related to its LLRF • Bridge in good condition FCS  • Bridge in poor condition FCS  • Search for a demonstration project • Identify a bridge in need of reinforcement (FCS < 1), representative of a large number of existing bridges, and with a concrete surface condition that would allow easy installation of FRPs

    15. FRPs for the structural engineer • Interest of the Ministère des Transports du Québec (MTQ) • Evaluate FRPs as strengthening method • Aim at33 % of cost of new construction • Accessibility to majority of contractors • Minimal technical training for installation/supervision • Design methods available to design engineers

    16. Ste-Émélie de l'Énergie Bridge • Bridge description • Location :Sainte-Émélie-de-l’Énergie, QC • Original construction: 1951 • Length: 21.3 m (70 ft.) • Total width: 11.2 m; 2 traffic lanes: 9.1 m wide • Original design load - H20 truck load • New design load - QS660, CSA Standard S6-88 • Need to increase flexural capacity by 35% • Need to increase shear capacity by 20%

    17. Ste-Émélie de l'Énergie Bridge

    18. 21 336 11 200 9 144 1 524 457 2 743 Ste-Émélie de l'Énergie Bridge

    19. Ste-Émélie de l'Énergie Bridge

    20. Ste-Émélie de l'Énergie Bridge

    21. Ste-Émélie de l'Énergie Bridge

    22. Ste-Émélie de l'Énergie Bridge

    23. Ste-Émélie de l'Énergie Bridge • Research program • Laboratory testing of various strengthening schemes • Rectangular beams • 105 x 350 mm; length = 3.0 m • T-beams • 1:3 scale model of section; length = 6.5 m • Durability assessment • Freeze-thaw cycles • Wet-dry cycles • Small-scale beam specimens (1.1 m long)

    24. Ste-Émélie de l'Énergie Bridge • Research program

    25. 900 mm 65 mm 500mm 5-20M 150 mm Ste-Émélie de l'Énergie Bridge • Research program

    26. C L Stirrups : f = 4.76 mm 14 @ 200 2 @ 305 2635 3365 Ste-Émélie de l'Énergie Bridge • Research program

    27. Ste-Émélie de l'Énergie Bridge • Strengthening for bending and shear

    28. Ste-Émélie de l'Énergie Bridge

    29. Ste-Émélie de l'Énergie Bridge

    30. Ste-Émélie de l'Énergie Bridge

    31. Ste-Émélie de l'Énergie Bridge

    32. Ste-Émélie de l'Énergie Bridge

    33. Ste-Émélie de l'Énergie Bridge

    34. Ste-Émélie de l'Énergie Bridge

    35. Ste-Émélie de l'Énergie Bridge

    36. Ste-Émélie de l'Énergie Bridge

    37. Ste-Émélie de l'Énergie Bridge • Strengthening for bending and shear

    38. a 1f’c fc eci ec d’ f’s Cs c Cc d h Ts esi fs es ebi efrp ffrp bw Tfrp Section Strains Stresses Ste-Émélie de l'Énergie Bridge • Design methods

    39. Ste-Émélie de l'Énergie Bridge • Design methods

    40. Le Ste-Émélie de l'Énergie Bridge • Design methods • Strengthening for shear

    41. Ste-Émélie de l'Énergie Bridge • Design methods • CSA S6-00 (2000): Canadian Highway Bridge Design Code. (Chapitre 16 – Fibre Reinforced Structures.) • CSA S806-01: Design and Construction of Building Components with Fibre Reinforced Polymers, en préparation. • ISIS-M03-01 (2001): Reinforcing Concrete Structures with Fibre Reinforced Polymers. • ACI 440-F: Guide for the Design and Construction of Externally Bonded FRP Systems for Strengthening Concrete Structures, draft document 2000. • Europe: Design Guidance for Strengthening Concrete Structures Using Fibre Composite Materials

    42. Ste-Émélie de l'Énergie Bridge

    43. Ste-Émélie de l'Énergie Bridge

    44. Ste-Émélie de l'Énergie Bridge

    45. Ste-Émélie de l'Énergie Bridge

    46. Ste-Émélie de l'Énergie Bridge • Strengthening for bending and shear

    47. Ste-Émélie de l'Énergie Bridge

    48. Ste-Émélie de l'Énergie Bridge Beam T2 (Replark - 6 c.)

    49. Ste-Émélie de l'Énergie Bridge • Research description

    50. Ste-Émélie de l'Énergie Bridge