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Jacques Chaban-Delmas Bridge Bordeaux France
Jacques Chaban-Delmas Bridge Bordeaux France MOVABLE BRIDGE ENGINEERING Paul M. Skelton, PE, Hardesty & Hanover A New Lift Bridge in Bordeaux Movable Bridge Engineering Jacques Chaban-Delmas Bridge 2 Presented by Paul Skelton Hardesty & Hanover Topics of Discussion • The Project • The Selection Process • The Tender Designs • The Winning Design • Unique Design Features • Awards • Conclusion Movable Bridge Engineering Jacques Chaban-Delmas Bridge 3 Presented by Paul Skelton Hardesty & Hanover Bridge Conception and Design ENTRANCE GATE TO THE HISTORICAL BORDEAUX HARBOR Movable Bridge Engineering Jacques Chaban-Delmas Bridge 4 Presented by Paul Skelton Hardesty & Hanover Project Location Bordeaux City Center Crossing The Garonne River Movable Bridge Engineering Jacques Chaban-Delmas Bridge 5 Presented by Paul Skelton Hardesty & Hanover Acknowledgements Owner La CUB-Urban Community of Bordeaux Contractor • Vinci Group: Design-Build Contractor • GTM: Civil Works Construction • NFM Technologies: Mechanism supply • Cimolaï : Steel Structure Design Consortium • EGIS Jean Muller Int’l: Lead Design Consultant • Michel Virlogeux: Conceptual Bridge Designer • Charles Lavigne: Bridge Architect (Concept Phase) • Hardesty & Hanover: Movable Bridge Systems Designer • Lavigne-Cheron Architects: Bridge Architect Movable Bridge Engineering Jacques Chaban-Delmas Bridge 6 Presented by Paul Skelton Hardesty & Hanover Project Basic Requirements “Provide A Crossing Over the River Garonne for Cars, Pedestrians and Bicycles, as well as, at a Later Date, a Tram Line” “Allow the Passage of Boats and, in Particular, Very Large Ships” Movable Bridge Engineering Jacques Chaban-Delmas Bridge 7 Presented by Paul Skelton Hardesty & Hanover An Open Design-Build Process • Satisfy Basic Project Objectives • Provide Economically Viable Solution • Meet EuroCode • Meet Minimum Tender Requirements for Stipend of 1M Euros ( $1.4M) per unsuccessful team • Meet FEM • Aesthetically Stimulate Review Committee Movable Bridge Engineering Jacques Chaban-Delmas Bridge 8 Presented by Paul Skelton Hardesty & Hanover Proposal # 1 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 9 Presented by Paul Skelton Hardesty & Hanover Proposal #1 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 10 Presented by Paul Skelton Hardesty & Hanover Proposal # 2 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 11 Presented by Paul Skelton Hardesty & Hanover Proposal # 2 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 12 Presented by Paul Skelton Hardesty & Hanover Proposal # 3 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 13 Presented by Paul Skelton Hardesty & Hanover Proposal # 3 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 14 Presented by Paul Skelton Hardesty & Hanover Proposal # 3 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 15 Presented by Paul Skelton Hardesty & Hanover Proposal # 4 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 16 Presented by Paul Skelton Hardesty & Hanover Proposal # 4 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 17 Presented by Paul Skelton Hardesty & Hanover Proposal # 4 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 18 Presented by Paul Skelton Hardesty & Hanover Our Proposal Movable Bridge Engineering Jacques Chaban-Delmas Bridge 19 Presented by Paul Skelton Hardesty & Hanover Our Proposal Movable Bridge Engineering Jacques Chaban-Delmas Bridge 20 Presented by Paul Skelton Hardesty & Hanover Our Proposal Movable Bridge Engineering Jacques Chaban-Delmas Bridge 21 Presented by Paul Skelton Hardesty & Hanover Design-Build Process Results Our Proposal Movable Bridge Engineering Jacques Chaban-Delmas Bridge Proposal # 1 Proposal # 2 Proposal # 3 Proposal # 4 22 Presented by Paul Skelton Hardesty & Hanover The Winning Proposal Our Proposal Movable Bridge Engineering Jacques Chaban-Delmas Bridge 23 Presented by Paul Skelton Hardesty & Hanover Structural Facts MAIN CHARACTERISTICS Bridge Length 1421 feet Lift Span 387 feet Raised Position Clearance 190 feet (Pont d’ Aquitaine) Seated Position Clearance 42 feet (Pont de Pierre) Variable Span Width 115 feet (at Abutments) to 148 feet (Lift Spans) Lift Towers Movable Bridge Engineering Jacques Chaban-Delmas Bridge Key Figures Lift Span Mass 5.54 million pounds Structural Steel ≈ 13.0 million pounds Reinforced Concrete ≈ 40 000 cubic yards Reinforcement Bars ≈ 1.0 million pounds 262 feet 24 Presented by Paul Skelton Hardesty & Hanover Jacques Chaban-Delmas Bridge Movable Bridge Engineering Jacques Chaban-Delmas Bridge 25 Presented by Paul Skelton Hardesty & Hanover Unique Design Features • Orthotropic Deck • Four Independent Towers • Closed Loop Rope Drive • Heavy Span Imbalance • Span Guide Design • Counterweight , Rope and Sheave Design • Unique Span Testing Methods • Planetary Gear Boxes Movable Bridge Engineering Jacques Chaban-Delmas Bridge 26 Presented by Paul Skelton Hardesty & Hanover Orthotropic Deck ORTHOTROPIC DECK • Low Mass to Optimize the Lifting System • Slender Aspect For a Thin, Modern Structure • All Spans Orthotropic Box-girder • 12 Feet High / 87 Feet Wide • Outboard Sidewalks also Orthotropic Box-girders Movable Bridge Engineering Jacques Chaban-Delmas Bridge 27 Presented by Paul Skelton Hardesty & Hanover Four Independent Towers Movable Bridge Engineering Jacques Chaban-Delmas Bridge 28 Presented by Paul Skelton Hardesty & Hanover Four Independent Towers Movable Bridge Engineering Jacques Chaban-Delmas Bridge 29 Presented by Paul Skelton Hardesty & Hanover Closed-Loop Rope Drive/ Operating Machinery Design TENDER REQUIREMENTS (RECOMMENDATION) • 750 kip Span Imbalance • Span Raising Machinery Only • Span Locks Forbidden POST TENDER PROPOSAL • Design Alternative 220 kips(seated) • Minimum to Maintain Tendency to Close in Raised Position • Two-way Rope System • Motor Size- Reduced from 300+ to 175 HP • Operating Rope Size Reduced • Very significant impact on tower design opportunities Movable Bridge Engineering Jacques Chaban-Delmas Bridge 30 Presented by Paul Skelton Hardesty & Hanover Mechanics – Operating System Movable Bridge Engineering Jacques Chaban-Delmas Bridge 31 Presented by Paul Skelton Hardesty & Hanover Mechanics – Operating System Movable Bridge Engineering Jacques Chaban-Delmas Bridge 32 Presented by Paul Skelton Hardesty & Hanover Specific Design- Wind Studies WIND DESIGN CONCLUSIONS • Favorable Geometry of the Lift Deck Cross-section: o o Inverted Plane Wing Section => Deck Naturally Tends to Seat Stabilization of the Deck with the Sidewalks Acting as Floaters Dynamic and Turbulent Studies Required: Turbulent Effects Five Times Greater than Static Effects of the Wind Service Forces Occurring During Lifting Operation: • 180 kip Upwards/230 kip Downwards • 30 kips Horizontal on Span Guides Movable Bridge Engineering Jacques Chaban-Delmas Bridge 33 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Operating System OPERATING ROPES • 1-3/4 Inch Diameter • • Four Ropes Per Drum (Two Uphaul, Two Downhaul) 5.5 feet Pitch Diameter -Drum and Upper Deflector Sheave • 6.5 feet-long Drum with Opposite Hand Grooves Span Down Movable Bridge Engineering Jacques Chaban-Delmas Bridge Mid Lift 6 Span Up 34 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Operating System Movable Bridge Engineering Jacques Chaban-Delmas Bridge 35 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Span Guide System COOPERATIVE DESIGN DUE TO BRIDGE ARCHITECTURE • Independent Pylons • Potential for Differential Movements Movable Bridge Engineering Jacques Chaban-Delmas Bridge 36 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Span Guide System Blend with Visual Character Low Friction System Movable Bridge Engineering Jacques Chaban-Delmas Bridge Low Maintenance System OBJECTIVES 37 Facilitate Alignment at Site Presented by Paul Skelton Hardesty & Hanover Lift Span Tower Guides Movable Bridge Engineering Jacques Chaban-Delmas Bridge 38 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Span Guide System Movable Bridge Engineering Jacques Chaban-Delmas Bridge 39 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Span Guide System LONGITUDINAL GUIDES-LEFT BANK END Movable Bridge Engineering Jacques Chaban-Delmas Bridge 40 Presented by Paul Skelton Hardesty & Hanover Mechanisms-Span Guide System EVALUATED MULTIPLE CONFIGURATIONS FOR SUPPORTS • Springs, Elastomers, Hydraulic Actuators, Equalizers • Equalizer was Most Effective in Load Balancing SELECTED SYSTEM • Two -One Foot Diameter x 3.25 Inches Wide Rollers • Mounted on Equalizer Frame Attached to Span Structure Movable Bridge Engineering Jacques Chaban-Delmas Bridge 41 Presented by Paul Skelton Hardesty & Hanover Counterweight System • Central Spine Plat-Four Quadrants • 10.5 foot X 10.5 foot X 40 foot-Filled With Cast Steel Ingots Movable Bridge Engineering Jacques Chaban-Delmas Bridge 42 Presented by Paul Skelton Hardesty & Hanover Counterweight Movable Bridge Engineering Jacques Chaban-Delmas Bridge 43 Presented by Paul Skelton Hardesty & Hanover Counterweight Movable Bridge Engineering Jacques Chaban-Delmas Bridge 44 Presented by Paul Skelton Hardesty & Hanover Counterweight Movable Bridge Engineering Jacques Chaban-Delmas Bridge 45 Presented by Paul Skelton Hardesty & Hanover Load Testing Prior to Span Placement Movable Bridge Engineering Jacques Chaban-Delmas Bridge 46 Presented by Paul Skelton Hardesty & Hanover Counterweight Rope Design Movable Bridge Engineering Jacques Chaban-Delmas Bridge 47 Presented by Paul Skelton Hardesty & Hanover Main Counterweight Sheaves Movable Bridge Engineering Jacques Chaban-Delmas Bridge 48 Presented by Paul Skelton Hardesty & Hanover Planetary Gear Drives Movable Bridge Engineering Jacques Chaban-Delmas Bridge 49 Presented by Paul Skelton Hardesty & Hanover December 2009 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 50 Presented by Paul Skelton Hardesty & Hanover April 2010 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 51 Presented by Paul Skelton Hardesty & Hanover June 2010 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 52 Presented by Paul Skelton Hardesty & Hanover Tower Pier and Dolphins in Place Movable Bridge Engineering Jacques Chaban-Delmas Bridge 53 Presented by Paul Skelton Hardesty & Hanover Tower Construction Begins Movable Bridge Engineering Jacques Chaban-Delmas Bridge 54 Presented by Paul Skelton Hardesty & Hanover Specific DesignPrefabricated Erection STEEL STRUCTURE TRANSPORTATION AND INSTALLATION June 2011 November 2011 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 55 Right Bank Spans Left Bank Spans Presented by Paul Skelton Hardesty & Hanover Sheave Placement Movable Bridge Engineering Jacques Chaban-Delmas Bridge 56 Presented by Paul Skelton Hardesty & Hanover Counterweight Rope Installation Movable Bridge Engineering Jacques Chaban-Delmas Bridge 57 Presented by Paul Skelton Hardesty & Hanover Operating Rope Installation Movable Bridge Engineering Jacques Chaban-Delmas Bridge 58 Presented by Paul Skelton Hardesty & Hanover Operating System Load Tested Movable Bridge Engineering Jacques Chaban-Delmas Bridge 59 Presented by Paul Skelton Hardesty & Hanover Lift Span Float-In Movable Bridge Engineering Jacques Chaban-Delmas Bridge 60 Presented by Paul Skelton Hardesty & Hanover As Envisioned In 2005 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 61 Presented by Paul Skelton Hardesty & Hanover Completed 2013 Movable Bridge Engineering Jacques Chaban-Delmas Bridge 62 Presented by Paul Skelton Hardesty & Hanover Bridge Honored With Numerous Awards • • • • American Council of Engineering Companies (ACEC-National) – Engineering Excellence Awards – Honor Award American Council of Engineering Companies (ACEC-New York) – Engineering Excellence Awards – Diamond Award Jury Grand National Prize of France -Grand National Prize for Engineering International Federation of Consulting Engineers - Outstanding Project of the Year Movable Bridge Engineering Jacques Chaban-Delmas Bridge 63 Presented by Paul Skelton Hardesty & Hanover Conclusion “ITS NEVER BEEN DONE BEFORE” IS A OPPORTUNITY, NOT A BARRIER • Open Design-Build Process • Innovative and Open Minded Tenders • Pushing the envelope of US design constraints • Landmark Bridge Efficiently Realized and Operating as Intended Movable Bridge Engineering Jacques Chaban-Delmas Bridge 64 Presented by Paul Skelton Hardesty & Hanover Acknowledgements Owner La CUB-Urban Community of Bordeaux Contractor • Vinci Group: Design-Build Contractor • GTM: Civil Works Construction • NFM Technologies: Machinery supplier • Cimolaï : Steel Structure Design Consortium • EGIS Jean Muller Int’l: Lead Design Consultant • Michel Virlogeux: Bridge Designer • Charles Lavigne: Bridge Architect (Concept Phase) • Hardesty & Hanover: Movable Bridge Systems Designer • Lavigne-Cheron Architects: Bridge Architect Movable Bridge Engineering Jacques Chaban-Delmas Bridge 65 Presented by Paul Skelton Hardesty & Hanover Movable Bridge Engineering Jacques Chaban-Delmas Bridge 66 Presented by Paul Skelton Hardesty & Hanover Movable Bridge Engineering Jacques Chaban-Delmas Bridge 67 Presented by Paul Skelton Hardesty & Hanover Movable Bridge Engineering Jacques Chaban-Delmas Bridge 68 Presented by Paul Skelton Hardesty & Hanover Movable Bridge Engineering Jacques Chaban-Delmas Bridge 69 Presented by Paul Skelton Hardesty & Hanover Time Lapse of Construction Movable Bridge Engineering Jacques Chaban-Delmas Bridge 70 Presented by Paul Skelton Hardesty & Hanover La Chanson Du Pont Chaban Movable Bridge Engineering Jacques Chaban-Delmas Bridge 71 Presented by Paul Skelton Hardesty & Hanover Thank you Paul Skelton, PE Hardesty & Hanover 212.944.1150 [email protected] www.hardesty-hanover.com