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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
Results you can rely on
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
Results you can rely on
ARKANSAS
SITE LOCATION
3
185 MILES TO
DALLAS, TX
T
E
X
A
S
M
I
S
S
I
S
S
I
P
P
I
PROJECT
SITE
LAFAYETTE BATON
ROUGE
NEW
ORLEANS
Results you can rely on
CORRIDOR
4
SEGMENTS A – J
ALL UNDER
CONSTRUCTION
OR COMPLETED
SEGMENT K
Results you can rely on
PROJECT TEAM
5
• 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
Results you can rely on
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
6
Results you can rely on
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
Results you can rely on
A SEGMENTAL BRIDGE
8
Is A Construction Technique…
….…with Design Implications
SEGMENTAL DESIGN
Results you can rely on
SEGMENTAL DESIGN
9
• 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
Results you can rely on
SEGMENTAL DESIGN
10
• 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
Results you can rely on
PROJECT SPECIFIC DESIGN FEATURES
11
• 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
Results you can rely on
SEGMENTAL CONSTRUCTION DETAILS
12
Precast Segmental Construction
PRECASTING
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SEGMENTAL CONSTRUCTION DETAILS
13
Forms to Accommodate Width and Depth Differences
PRECASTING MACHINES
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SEGMENTAL CONSTRUCTION DETAILS
14
5 Segment Types – 1 Form Set
SEGMENT TYPES
Results you can rely on
SEGMENTAL CONSTRUCTION DETAILS
15
Balanced Cantilever Construction
SEGMENT ERECTION
Results you can rely on
SEGMENTAL CONSTRUCTION DETAILS
16
External Post-Tensioning and Diabolos
EXTERNAL PT
zzzz
Results you can rely on
SEGMENTAL CONSTRUCTION DETAILS
17 COMPLETED BRIDGE
Results you can rely on
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
Results you can rely on
QUESTIONS
19
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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