AASHTO Culvert Engine 1 SCOBS T-19 – 7/9/12
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AASHTO Culvert Engine
1
SCOBS T-19 – 7/9/12
• Result of a software exchange agreement between
AASHTO and WisDOT
� WisDOT – Use of AASHTO Finite Element Engine and
LRFD Specification Check Module
� AASHTO – Incorporate WisDOT Culvert Program in
AASHTOWare Bridge
Background
• WisDOT RC Box Culvert Program Version 2011.10.06.09
• New AASHTOWare Bridge RC Box Culvert Definition
user interface, schematic and specification check review
• AASHTOWare Bridge Task Force and Technical Advisory
Group identified and included numerous and significant
enhancements to the modeling and analytical
capabilities of the engine 2
• Culvert Definition - 20 new windows
AASHTOWare Bridge Culvert User Interface
3
Culvert Reinforcement Schematic
4
Specification Check Review
5
• Implement LFR capability
• Use up-to-date specification versions
Enhancements
6
• Apply Permit vehicle to Strength II limit state
Enhancements
7
• Allow lateral soil pressure applied to left and/or right
side of culvert
Enhancements
8
Enhancements
• Option to ignore shear
• Option to exclude bottom slab in specification checking
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• Allow sloped fill depth
Enhancements
10
• Provide selection of different bar types
Enhancements
11
• Allow fully developed reinforcement at start and end
Enhancements
12
• Allow moment release at bottom of wall
Enhancements
13
• Allow different dimensions of top and bottom haunches
Enhancements
14
• Allow design without haunches
Enhancements
15
Enhancements
• Option to enter user-defined points of interest
16
Thank You!
17
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