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Accelerated Bridge Construction; Raising the Bar
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ABC-PBES Technology Ben Sawyer Bridge, SC Epping Bridge, NH NEXT Beams
York River Bridge, York, ME Rte 262/I-80 near Lincoln, NE UHPC SPMT Bridge Moves Folded Plate Bridges Mass DOT’s I-93 Fast 14 Project Future Resources Knowledge of ABC/PBES vision, mission, concepts & components Understanding the reasons for using ABC/PBES Understanding the major benefits of ABC/PBES Understand the status of PBES deployment Knowledge of ABC/PBES performance measures
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Ben Sawyer Bridge Construction
Project Location April 28, 2010 3
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Temporary Access & Supports
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Temporary Access & Supports
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Approach Spans
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Swing Span
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Swing Span Pre-assembled at fabricators shop
Erected at Port of Charleston All machinery installed at erection site Control House erected and installed
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Closure
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Closure
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Closure
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Video – Ben Sawyer PCL-Part 1 (59 sec.)
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Video – Ben Sawyer PCL-Part 2 (39 sec.)
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Complete Bridge Element Prefabrication
New Hampshire Project How fast can we build a bridge? 115-foot span All components prefabricated Precast cantilever abutments Roadway open in 8 days Time Lapse Video on YoutubeTM Search “Epping Bridge Construction” This is an example of a totally prefabricated bridge in Epping, NH. New Hampshire Project The State asked the question “How fast can we build a bridge?” All components prefabricated 115-foot span It had Precast cantilever abutments Clock started after old bridge was removed, and the roadway open in 8 days A Time Lapse Video is available on YoutubeTM, just Search for “Epping Bridge Construction” All details used in this project are included in the manual, which can be found on the PBES website.
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Accelerated Bridge Construction
using NEXT Beams
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Development of the NEXT beam
High Level RR Platform Beam
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Development of the NEXT beam
High Level RR Platform Beam
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Development of the NEXT beam
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Development of the NEXT F beam
4” Top Flange = Deck Form “F” Depth 24” – 36” in 4” increments Typical Span Range 50 – 85’ Width will vary 8’-0” – 12’-0” Can accommodate curves (vary flange overhang on fascia) Can accommodate multiple utilities This beam was developed because prestressed is not consider for shallow bridges that have a lot of utilities. Butted Box Beams and Void Slabs do not work for this configuration. The committee is vary eager in finalizing the design for the new section. We are hoping to have it available for next year.
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York River Bridge, York, Maine
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York River Bridge, York, Maine
2-55’ spans & 5-80’ spans
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York River Bridge, York, Maine
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The Next Generation NEXT Beam
Committee is looking into a 4” top flange section with a 4” overpour Reduces shipping weight Reduces concrete placement Reduces structure thickness Does not change span length much Lower DL stress, but higher LL Stress
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Beam Connection Top flange is the bottom mat of deck
Need for full lap connection Investigating UHPC
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Conclusions NEXT Beams were developed by a multi-agency group
PCI DOT’s Producers Consultants Several different sections have been developed based on one form Very cost effective section Initial bid numbers show significant savings over conventional stringer systems Applicable to ABC Projects Typical Details are available at:
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Rte 262 / I-80 near Lincoln, NE
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Rte 262 / I-80 near Lincoln, NE
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Rte 262 / I-80 near Lincoln, NE
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Rte 262 / I-80 near Lincoln, NE
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Rte 262 / I-80 near Lincoln, NE
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UHPC p-Girder Why UHPC? High compressive strength High durability
Low permeability Remove mild reinforcement More efficient sections.
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Building of bridge at TFHRC.
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2nd Generation UHPC p-Girder
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2nd Gen. p-Girder Bridge Designed for elastic behavior Transverse flexure frequently controls Testing at TFHRC Iowa DOT bridge opened in Nov. 2008
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Initial Deployments of UHPC in U.S. Highway System
Mars Hill Bridge - Wapello County, Iowa Modified 42” deep I-girder, 110 foot simple span Opened Spring 2006 Cat Point Creek Bridge – Richmond County, Virginia Modified 45” deep I-girder, 81 foot simple span Opened in November 2008 Jakway Park Bridge – Buchanan County, Iowa Optimized p-girder Opened in December 2008
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U.S. UHPC Highway Bridges
Mars Hill Bridge Wapello County, Iowa U.S. UHPC Highway Bridges Jakway Bridge Buchanan County, Iowa Cat Point Creek Bridge Richmond County, Virginia
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SPMT Bridge Moves Supported at ends during build
Lifted and moved supported away from ends
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SPMT Resource Providers
Barnhart Crane & Rigging Bigge Crane and Rigging Co. Fagioli, Inc. Mammoet USA NDF (New Dafang Group) Sarens Group
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Bridge over I-15, Pioneer Crossing, Utah
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Bridge over I-15, Pioneer Crossing, Utah
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Bridge over I-15, Pioneer Crossing, Utah
Several hundred people watched the bridge span move.
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Bridge over I-15, Pioneer Crossing, Utah
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Bridge over I-15, Pioneer Crossing, Utah
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I-15 CORE PROJ Video West, Utah (1st. 43 sec.)
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I-15 CORE PROJ Video East, Utah (2nd. 71 sec.)
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Modular Steel Stringer/Girder Systems
Continuous spans without bolted splices Simple span for DL, continuous for LL Pre-topped beam units single beams, double beams, box beams
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Folded Plate Bridge Girder bent from single plate
Developed by Dr. Azizinamini Spans up to 60 feet Pre-topped composite deck ½” or 3/8” plate thickness MassDOT is planning one
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Deck Connections Pre-topped Modular Units Deck Connection options
Closure Pours Headed Reinforcing UHPC PT?
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I-93 Medford, MA Current Project
Bridge Deck/Superstructure Replacement
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Project Facts Traffic Volume Approximately 180,000 vehicles per day
14 Bridges (7 Northbound and 7 Southbound) All have four lanes and shoulders (some ramps) All bridges carry I-93 over other features 1 span bridge: 1 2 span bridge: 1 3 span bridges: 10 4 span bridges: 2
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Bridge Sites Valley Street Webster Street Salem Street WB
N Bridge Sites Valley Street Webster Street Salem Street WB Salem Street EB Riverside Street Mystic River Route 16
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Project Goals Replace the superstructures during the summer of 2011
Need to replace 14 bridges in 12 weeks Full closure on weekends – 55 hours Move traffic to one side using crossovers No disruption to weekday rush hour traffic Manage weekend traffic Minimize use through outreach Use long-haul detours for through traffic
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Previous work Virginia DOT Richmond, VA
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Construction Methods Phase 1: Delivery of modules on a portion of the existing bridge
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Construction Methods Phase 2: Delivery of modules on a portion of the new bridge
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Construction Methods Monday Morning: 8 Lanes open to traffic
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Project Status Design Build Project Short listed two teams
Teams given stipends Best Value Selection Bids just opened Notice to proceed: February 1, 2011 First replacement: June 1, 2011
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Mass DOT’s I-93 Fast 14 Proj Riverside Draft Animation Video (3 min.)
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Mass DOT Innovative Technologies
Heavy Lifts/ABC New technology Bridge-in-a-Backpack Folded Steel Plate Next Beam Aluminum Deck Take advantage of existing technologies Inverset Precast elements Prefabricated composite elements Segmental Construction FRP Deck
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Coming Soon! ABC Manual Overview of ABC techniques & practices currently in use App. A: Design Examples App. B: Standard Products App. C: Sample Construction Specifications App. D: Erection and Transportation Equipment Another resource that will be available by the end of 2010 is the FHWA-sponsored ABC Manual. This manual will provide an overview of ABC techniques and practices currently in use around the country. Appendices will include design examples and sample construction specifications.
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Coming in 2011! SHRP2 R04 Final Report
Innovative Bridge Designs for Rapid Renewal Objective: To develop standardized approaches to designing, constructing & reusing (including future widening) complete bridge systems that address rapid renewal needs and efficiently integrate modern construction equipment Another resource coming in 2011 is the Strategic Highway Research Program 2 (SHRP2) final report for Research Project R04, “Innovative Bridge Designs for Rapid Renewal.” The project’s objective is to develop standardized approaches to designing, constructing , and reusing (including future widening) complete bridge systems that address rapid renewal needs and efficiently integrate modern construction equipment.
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Questions? FHWA Contacts: PBES Innovation Team
Claude Napier, Team Lead Louis Triandafilou, Structural Team Leader FHWA Resource Center Structures Technical Service Team Website Link
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