i-49 north segment k project segmental concrete girder design north segment k... · i-49 north...
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I-49 North Segment K Project – Segmental Concrete Girder Design
2013 Louisiana Transportation Conference – Session 58
Craig Finley, P.E., Finley Engineering Group, Inc., Tallahassee, FL
Durk Krone, P.E., TRC Engineers, Inc., Baton Rouge, LA
I-220 at Russell Road
I-49 over MLK Drive
Ramp SE
Ramp EN
Ramp WN
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AGENDA
2
• Site Location
• Corridor
• Project Team
• Timeline for Development of Segment K
• Site Plan – Bridges to be Designed in Segmental
• Segmental Design
• Project Specific Design Features
• Segmental Construction Details
• Closing Remarks & Questions
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ARKANSAS
SITE LOCATION
3
185 MILES TO
DALLAS, TX
T
E
X
A
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M
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S
S
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S
S
I
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P
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PROJECT
SITE
LAFAYETTE BATON
ROUGE
NEW
ORLEANS
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CORRIDOR
4
SEGMENTS A – J
ALL UNDER
CONSTRUCTION
OR COMPLETED
SEGMENT K
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PROJECT TEAM
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• Louisiana DOTD – Baton Rouge, LA o Joachim C. Umeozulu, P.E. – Project Manager
o Paul Vaught, III, P.E. – Bridge Design Project Manager
• TRC Engineers – Baton Rouge, LA o Durk Krone, P.E. – Principal / Project Manager
o Michael Paul, P.E. – Deputy Project Manager
• Finley Engineering Group – Tallahassee, FL o Craig Finley, P.E. – Project Principal
o Jerry Pfuntner, S.E., P.E. – Project Manager / Designer
• Touchstone Architects – Tallahassee, FL o Bradley Touchstone, AIA - Principal
• NTB Associates – Shreveport, LA o Paul Rossini, PLS – President/CEO
o Dexter Grogan, P.E. – Bridge Design
• AFJM, Inc. – Shreveport, LA o E.L. “Skip” James, Jr. – Director of Transportation
o Elba Hamilton, P.E. – Project Engineer
BRIDGE
DESIGN
ROADWAY DESIGN
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TIMELINE FOR DEVELOPMENT OF SEGMENT K
DATE
JUNE 6, 2006
MAY 25, 2007
AUGUST 2, 2010
JULY 7, 2011
JANUARY 5, 2012
JANUARY 2, 2013
EVENT
TRC received Notice-to-Proceed for Preliminary
Bridge Design
Project placed on-hold
Supplement No. 1 – Notice-to-Proceed
DOTD, ASBI, TRC – Discuss potential
implementation of segmental bridge construction
DOTD/TRC – Discussed the steps needed to
develop final plans for the implementation of
segmental bridge design for 3 ramp structures.
DOTD issued Advanced Notice-to-Proceed to TRC
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Site Plan – Bridges to be Designed in Segmental
7
I-220 at Russell Road
I-49 over MLK Drive
Ramp SE
Ramp EN
Ramp WN
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A SEGMENTAL BRIDGE
8
Is A Construction Technique…
….…with Design Implications
SEGMENTAL DESIGN
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SEGMENTAL DESIGN
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• 3 Bridges, 700 Segments, 271,000 sf. Deck Area
• Span for Lengths 120’ to 260’, radius 550’ (Ramp WN)
• 3 Roadway Cross Sections 31.5’, 35.5’, and up to 52’ wide
• Pier Heights of 20’ to 90’
• Foundations and Access
• Aesthetics Without Cost
• Best Practices Approach
SEGMENTAL DESIGN CHALLENGES
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SEGMENTAL DESIGN
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• Precast Segmental
• Balanced Cantilever, Erected by Cranes
• Combination of Haunched and Constant Depth Segments
• One Set of Casting Machines
• External Post-Tensioning with Diabolos
• Best Practices – Good Experience
SEGMENTAL DESIGN SOLUSTIONS
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PROJECT SPECIFIC DESIGN FEATURES
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• Project Design Criteria
– LADOTD BDM with some “extras”
– Principal Stress Requirement 3f’c
– Shear – AASHTO LRFD and Segmental Guide Specifications
• Analysis Software
– 3-D Time Dependent
• Serviceability and Maintainability
• Tendon Replacement and Bearing Replacement
• Load Rating
FEATURES-SEGMENTAL DESIGN
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SEGMENTAL CONSTRUCTION DETAILS
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Precast Segmental Construction
PRECASTING
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SEGMENTAL CONSTRUCTION DETAILS
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Forms to Accommodate Width and Depth Differences
PRECASTING MACHINES
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SEGMENTAL CONSTRUCTION DETAILS
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5 Segment Types – 1 Form Set
SEGMENT TYPES
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SEGMENTAL CONSTRUCTION DETAILS
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Balanced Cantilever Construction
SEGMENT ERECTION
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SEGMENTAL CONSTRUCTION DETAILS
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External Post-Tensioning and Diabolos
EXTERNAL PT
zzzz
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SEGMENTAL CONSTRUCTION DETAILS
17 COMPLETED BRIDGE
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CLOSING REMARKS & QUESTIONS
• Site Location
• Corridor
• Timeline for Development of Segment K
• Project Team
• Site Plan – Bridges to be Designed in Segmental
• Segmental Design
• Project Specific Design Features
• Segmental Construction Details
18
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QUESTIONS
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Results you can rely on 20
Durk Krone, P.E., Principal
TRC Engineers, Inc.
8550 United Plaza Boulevard, Suite 502
Baton Rouge, LA 70809
T: 225.216.7483
Follow us LinkedIn Twitter
www.trcsolutions.com
Craig Finley, Jr., P.E., Principal
Finley Engineering Group, Inc.
1589 Metropolitan Boulevard
Tallahassee, FL 32308-3776
T: 850.894.1600
Follow Us Like Us
www.finleyengineeringgroup.com
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