AASHTO Culvert Engine

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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

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Culvert Reinforcement Schematic

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Specification Check Review

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• Implement LFR capability

• Use up-to-date specification versions

Enhancements

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• Apply Permit vehicle to Strength II limit state

Enhancements

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• Allow lateral soil pressure applied to left and/or right

side of culvert

Enhancements

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Enhancements

• Option to ignore shear

• Option to exclude bottom slab in specification checking

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• Allow sloped fill depth

Enhancements

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• Provide selection of different bar types

Enhancements

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• Allow fully developed reinforcement at start and end

Enhancements

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• Allow moment release at bottom of wall

Enhancements

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• Allow different dimensions of top and bottom haunches

Enhancements

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• Allow design without haunches

Enhancements

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Enhancements

• Option to enter user-defined points of interest

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Thank You!

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