AASHTOWare Bridge Design and

Rating Product Overview

Ohio DOT BrDR Training

May 5-6, 2015

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

2

AASHTOWare Bridge Design and Rating

AASHTOWare

Bridge Design

Formerly Opis

AASHTOWare

Bridge Rating

Formerly Virtis

3

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

4

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

5

AASHTOWare Bridge Design Current Participation

Agency Licenses = 17 Licensee

Map Key

Consultant Licensees = 35 Non- Licensee

Manitoba, Canada

Country

Cincinnati, OH

City/County/Territory

6

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

7

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

9

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

13

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

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

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

Capabilities – Design Substructure

• Foundation Types:

• Spread Footing

• Pile Footing

• Single Drilled Shaft

What’s coming in 2015 …

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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