aashtoware bridge design and rating product overvie€¦ · product concept • bridge design and...
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AASHTOWare Bridge Design and
Rating Product Overview
Ohio DOT BrDR Training
May 5-6, 2015
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Development started in the early 1990s under FHWA guidance
Result of funds invested by States and FHWA
Cooperative effort of over 40 state/local/federal transportation departments
Licensed by US DOTs
Software “owned” by members of AASHTO
AASHTOWare Basics
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AASHTOWare Bridge Design and Rating
AASHTOWare
Bridge Design
Formerly Opis
AASHTOWare
Bridge Rating
Formerly Virtis
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Product Organization • Joint development efforts by AASHTO member
agencies
• Pooling knowledge and resources of member agencies
• Products are administrated by AASHTO and managed by a Task Force
• Products are verified and validated by member agencies
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Task Force Members
• Todd Thompson South Dakota DOT, Chairman
• Dean Teal Kansas DOT
• Jeff Olsen Montana DOT
• Amjad Waheed Ohio DOT
• Josh Dietsche Wisconsin DOT
• Judy Skeen AASHTO Project Manager
• Tom Saad FHWA Liaison
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AASHTOWare Bridge Design Current Participation
Agency Licenses = 17 Licensee
Map Key
Consultant Licensees = 35 Non- Licensee
Manitoba, Canada
Country
Cincinnati, OH
City/County/Territory
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AASHTOWare Bridge Rating Current Participation
Agency Licenses = 39 Licensee
New York City, NY
Map Key
Consultant Licensees = 573 Non- Licensee
Washington D.C.
Manitoba, Canada
Maricopa, AZ
Country
Puerto Rico
New Jersey Turnpike
City/County/Territory
Army Corps of Engrs.
Phoenix, AZ
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Product Concept
AASHTOWare Bridge
Database (Oracle or SQL Server)
BAR7 Import
BARS Import
BRASS Import
Import Utilities
ASD
AASHTOWare Design and Rating Engines
LFD
LRFR
Line Girder Analysis
Specifications
Analysis
LRFD
3D Analysis
3rd-Party Engine
3rd-Party Engine
3D Curved Analysis
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Product Concept
• Bridge Design and Bridge Rating share much of the same user interface
• Model data is preserved in the same database
• Modeling, analysis and reporting processes are independent of each other
• Design with Bridge Design Load rate with Bridge Rating using the same model
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Design Use Cases Interactive design review and specification checking
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Design Use Cases Interactive design review and specification checking
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Design Use Cases Preliminary and final design review
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Design Use Cases Preliminary and final design review
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Design Use Cases
Comparison validation – Enter a bridge once and …
• Compare designs between different engines
• Compare designs between different versions of the LRFD specifications
• Compare between 3D and Line Girder analyses
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Rating Use Cases Load rating common bridge types
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Rating Use Cases Support permit routing using the Application Program
Interface
Billerica
Carlisle
Concord
Burlington
Lexington
Lincoln
BedfordNorth
Road
Carlisle
Road
Concord
Road
Springs
Road
Pine
Hill
Road
Old Billerica
Road
Burlington
Road
Page
Road
Page
Road
Shawsheen
Road
Brooksbie
Road
Hartwell
Road
South
Road
Summer
Street
Hartwell
Avenue
The Great
Road
Bedford
Road
Grove
Street
Bedford
Street
Middlesex
Turnpike
Burlington
Mall
4
4
225
225
62
62
62
3
3
128
128
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Rating Use Cases Load rating based on inspection results
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Rating Use Cases
Comparison validation – Enter a bridge once and …
• Compare ratings between different engines
• Compare ratings between different rating methods (ASR, LFR and LRFR)
• Compare ratings between different versions of the MBE specifications
• Compare between 3D and girder-line analysis
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System Definition
Capabilities – Two Superstructure Modeling Methods
• System computed dead loads
• System computed live load distributed factors
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• User-defined dead loads
• User-defined live load distributed factors
Capabilities – Two Superstructure Modeling Methods
Line Definition
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Schedule Definition
Capabilities – Two Girder Property Input Methods
Each plate is defined and located 21
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Capabilities – Two Girder Property Input Methods
Cross Section Definition
1 2 3 4 5
1 3 4 2 5
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Capabilities – Design and Rating Steel Girder Superstructures
• Rolled shapes
• Welded plate girders
• Built-up I shapes
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Capabilities – Design and Rating P/S Concrete Superstructures
Precast shapes • I beams
• Boxes
• Multi-stem Tee
• U beams
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Capabilities – Design and Rating Reinforced Concrete Superstructures
• Tee beams
• Slabs
• I beams
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Capabilities – Design and Rating Reinforced Concrete Multi-celled Box Superstructures
• LRFD/LRFR
• Line girder analysis, web-lines or full box
• User defined box cross sections
• Integral with pier
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Capabilities – Design and Rating Reinforced Concrete Slab System Superstructures
• LRFD/LRFR • LFR/ASR • User defined strip
widths • Solid and voided
sections • Integral with pier
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Capabilities – Design and Rating Reinforced Concrete Box Culverts (LFR and LRFR)
• Sloping fill
• Multiple cells
• Optional bottom slab
• Optional haunches
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Capabilities – Design and Rating 3D Analysis
• For multi-girder straight and curved system
• Automatic mesh
generation with user controls
• Dead and Live loads • Transverse live load analysis or user-defined
vehicle loading path 29
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Capabilities – Rating Post-Tensioned Concrete Multi-celled Box
Superstructures
• LRFR • Line girder analysis,
full box including web-lines
• User defined box
cross sections
• Integral with pier
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Capabilities – Rating Floor Systems (ASR and LFR)
• Girder-Floorbeam-Stringer
• Truss-Floorbeam-Stringer
• Girder-Floorbeam • Truss-Floorbeam
• Floorbeam-Stringer
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Capabilities – Rating Floor Systems (ASR and LFR)
• Floor trusses
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Capabilities – Rating Trusses (LFR)
• Continuous spans
• Suspended spans
• Counters
• Deck trusses
• Through trusses
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Capabilities – Rating Sawn Timber Superstructures (ASR)
• Includes deck rating
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Capabilities – Rating Analysis of nonstandard gage vehicles
• Unlimited number of axles
• Unlimited number of wheels per axle
• User-defined vehicle loading path
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Capabilities – Rating Rating with adjacent vehicles
• Design review and rating analyses
• User defined adjacent vehicle LL factor
• Live load distribution factor approach specified in LRFD Article 4.6.2.2.5
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Capabilities – Design Substructure
• Generation of load cases
• User-defined load cases
• LRFD load combinations
• LRFD spec-checking
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Capabilities – Design Substructure
• Foundation Types:
• Spread Footing
• Pile Footing
• Single Drilled Shaft
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What’s coming in 2015 …
39
Prestressed Concrete Design Tool
Truss gusset plate rating
Steel splice analysis
LRFR for floor systems
LRFR for longitudinal steel trusses
LRFD and MBE specification updates