s56_innovative bridge applications in louisiana prefabricated bridge elements_ltc2013
TRANSCRIPT
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2013 Louisiana Transportation Conference
PREFABRICATED BRIDGE ELEMENTS AND SYSTEMS
Paul Vaught, P.E.
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Every Day CountsPrefabricated Bridge Elements and Systems
OVERVIEW
Why PBES?
Past Experience Objectives
Deliverables
Moving Forward (EDC2)
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WHY PBES?
Time Savings
Safety Advantages Constructability Advantages
Environmental Advantages
Cost Savings*
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PAST EXPERIENCE
Concept of PBES not new to DOTD
Prefabricated Elements Prefabricated Girders / Piles*
Prefabricated Caps
Prefabricated Decks
Prefabricated Systems
Self Propelled Modular Transporters (SMPTs) Heavy Lift
Jack and Slide
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Every Day CountsPrefabricated Bridge Elements and Systems
I-10 Basin Bridge (Ramah to Henderson, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
I-10 Basin Bridge (Ramah to Henderson, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
I-10 Basin Bridge (Ramah to Henderson, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
I-10 Twin Spans (New Orleans to Slidell, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
I-10 Twin Spans (New Orleans to Slidell, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Audubon Bridge (New Roads to St. Francisville, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Audubon Bridge (New Roads to St. Francisville, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Audubon Bridge (New Roads to St. Francisville, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Audubon Bridge (New Roads to St. Francisville, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Well Road Overpass (West Monroe, LA)
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Well Road Overpass (West Monroe, LA)
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Well Road Overpass (West Monroe, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Lewis Street (New Iberia, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Lewis Street (New Iberia, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Lewis Street (New Iberia, LA)
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Huey P. Long Bridge (New Orleans, LA)
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Every Day CountsPrefabricated Bridge Elements and Systems
Huey P. Long Bridge (New Orleans, LA)
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Huey P. Long Bridge (New Orleans, LA)
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OBJECTIVES
Identify opportunities for PBES using a systematic approach
Evaluate current practices and details
Provide policy recommendations
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DELIVERABLES
Decision Making Guide
Plan Notes and Special Provisions
Partial vs. Full Depth Deck Recommendations
Prefabricated Slab Bridge (75 year service life)
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DELIVERABLES Decision Making Guide
Factors for Consideration
High ADT
Emergency Replacement
Evacuation Routes, Routes over RRs or Navigable WWs
Lane Closures and Detours
Impacts to Project Critical Path
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DELIVERABLES Decision Making Guide
Evaluation Criteria
Rapid On-Site Construction
Safety Concerns for Workers and Motorists
Environmental Constraints
Difficult or Limited Site Access*
Repetitive Elements
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Decision Making Flowchart
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DELIVERABLES Plan Notes and Special Provisions
Encourage contractors innovation
Provide framework for evaluation
Remove Value Engineering restrictions
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DELIVERABLES Partial Depth Deck Panels
Eliminate Partial Depth Deck Panels (Optional Span Details )
Requires Crane for Placement
Requires Rebar and Concrete Placement
Does not Easily Accommodate Atypical Geometry
Not Recommended for Use in Negative Moment Regions
Steel Stay-In-Place Forms are Typically Allowed
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DELIVERABLES Full Depth Deck Panels
Expand use of Full Depth Deck Panels
Experimental Project
Bayou Lafourche Bridge on US 80
Full Depth Deck Panels using Accel_PB System*
Project Letting FY 2013-14
* Developed and Patented by Dr. Eddie He, P.E., S.E., Ph.D.
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Full Depth Deck Panels Accel_PB System
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Full Depth Deck Panels Accel_PB System
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Full Depth Deck Panels Accel_PB System
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Full Depth Deck Panels Accel_PB System
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Full Depth Deck Panels Accel_PB System
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Full Depth Deck Panels Accel_PB System
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DELIVERABLES Prefabricated Slab Span Bridge
75 Year Design Life On/Off System Use
Experimental Project
US 165 Bridges Near Fenton
Project Letting FY 2013-14
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Prefabricated Slab Span Bridge Concept Sketch
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MOVING FORWARD
EDC 2 Regional Summit November 2012
Combined PBES and GRS Initiatives
Expand Decision Making Guide
Monitor and Report on Experimental Projects (Including GRS)
Develop Special Details for Prefabricated Slab Span Bridge
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CONTACT INFORMATION
Paul Vaught, P.E.
Bridge Standards Manager
(225) 379-1816
AccelBridge
Dr. Eddie He, P.E., S.E., Ph.D.(312) 952-3071
mailto:[email protected]:[email protected]:[email protected]:[email protected] -
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Presentation Observations
and Suggestions
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PowerPoint Set-Up
People like clip art
and heavy use of slide animations
But hate sarcasm
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PowerPoint Set-Up
Color schemes are a fun way to express your creativity
I prefer yellow text on a white background
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Rule for Formulas
Use of formulas should be limited
Formulas = bad
Order of Preference
a + b = c English
+ = Greek cos2x dx Newton
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Rules for Graphs
Use of graphs should be limited
Good > Graphs > Formulas = Bad
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Leave graphs on the screen long enough for the
audience to gain interest and try to discern them,
but not long enough for them to succeed.
GRAPH COMPLEXITY
TIMEONSCREEN
(SE
CONDS)
Complexivity vs. Screen Time Graph
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Graphics
People like pictures
Graphs are not pictures
People really like videos
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If you dont have a video just find a picture and insert it in your
presentation and pretend like it is a video and you are having
trouble making it work.
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Name Dropping
Mention Hurricane Katrina
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How to Salvage a Presentation
No matter how bad the presentation you can save it
at the end with an epic video
This presentation has two
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Thank you