AASHTOWare Bridge Design and Rating Product Overvie...• Amjad Waheed Ohio DOT • Joshua Dietsche...

AASHTOWare Bridge Design and Rating Product Overview

56th Annual IHEEPSeptember 2014

AASHTOWare Bridge Design and Rating

AASHTOWareBridge Design

Formerly Opis

AASHTOWareBridge Rating

Formerly Virtis2

Product Organization

• Joint development efforts by AASHTO member agencies – began in the early 1990’s

• Pooling knowledge and resources of member agencies

• Products are administrated by AASHTO, managed by a Task Force and owned by members of AASHTO

• Products are verified and validated by member agencies

3

Task Force Members

• Todd Thompson South Dakota DOT - Chair• Dean Teal Kansas DOT• Jeff Olsen Montana DOT• Amjad Waheed Ohio DOT• Joshua Dietsche Wisconsin DOT

• Judy Skeen AASHTO Project Manager• Tom Saad FHWA Liaison

4

AASHTOWare Bridge DesignCurrent Participation

Manitoba, CanadaCountry

Agency Licenses = 20 Licensee

Map KeyConsultant Licensees = 35 Non- Licensee

5

AASHTOWare Bridge RatingCurrent Participation

Agency Licenses = 38 Licensee

Map KeyConsultant Licensees = 556 Non- LicenseeManitoba, Canada

Country

City/County/TerritoryPhoenix, AZPuerto Rico

6

Product Concept

AASHTOWareBridge

Database(Oracle or SQL Server)

BAR7Import

BARSImport

BRASSImport

Import Utilities

ASD

AASHTOWareDesign and Rating Engines

LFD

LRFR

Line GirderAnalysis

Specifications

Analysis

LRFD

3D Analysis

3rd-PartyEngine

3D CurvedAnalysis7

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

8

Design Use CasesInteractive design review and specification checking

9

Design Use CasesPreliminary and final design review

10

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

11

Rating Use CasesLoad rating common bridge types

12

Rating Use CasesSupport permit routing using the Application Program

Interface

Billerica

Carlisle

Concord

Burlington

Lexington

Lincoln

BedfordNorthRoad

CarlisleRoad

ConcordRoad

SpringsRoad

PineHill

Road

Old BillericaRoad

BurlingtonRoad

PageRoad

PageRoad

ShawsheenRoad

BrooksbieRoad

HartwellRoad

SouthRoad

SummerStreet

HartwellAvenue

The GreatRoad

BedfordRoad

GroveStreet

BedfordStreet

MiddlesexTurnpike

BurlingtonMall

4

4

225

225

62

62

62

3

3

128

128

13

Rating Use CasesLoad rating based on inspection results

14

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

15

Capabilities – Two Superstructure Modeling Methods

System Definition

• System computed dead loads

• System computed live load distributed factors

Line Definition• User-defined dead loads

• User-defined live load distributed factors

16

Capabilities – Two Girder PropertyInput Methods

Cross Section Definition

1 2 3 4 5

1 3 42 5

Each plate is defined and located

Schedule Definition

17

Capabilities – Design and Rating Steel Girder Superstructures

• Rolled shapes

• Welded plate girders

• Built-up I shapes

18

Capabilities – Design and RatingP/S Concrete Superstructures

Precast shapes

• I beams

• Boxes

• Multi-stem Tee

• U beams

19

Capabilities – Design and RatingReinforced Concrete Superstructures

• Tee beams

• Slabs

• I beams

20

Capabilities – Design and RatingReinforced Concrete Multi-celled Box Superstructures

• LRFD/LRFR

• Line girder analysis, web-lines or full box

• User defined box cross sections

• Integral with pier

21

Capabilities – Design and RatingReinforced Concrete Slab System Superstructures

• LRFD/LRFR

• LFR/ASR

• User defined strip widths

• Solid and voided sections

• Integral with pier22

Capabilities – Design and RatingReinforced Concrete Box Culverts (LFR and LRFR)

• Sloping fill

• Multiple cells

• Optional bottom slab

• Optional haunches

23

Capabilities – Design and Rating3D Analysis

• For multi-girder straight and curvedsystem

• Automatic mesh generation with user controls

• Dead and Live loads

• Transverse live load analysis or user-defined vehicle loading path

24

Capabilities – DesignSubstructure

• Generation of load cases

• User-defined load cases

• LRFD load combinations

• LRFD spec-checking

Capabilities – DesignSubstructure

• Foundation Types:

• Spread Footing

• Pile Footing

• Single Drilled Shaft

Capabilities – RatingPost-Tensioned Concrete Multi-celled Box

Superstructures

• LRFR

• Line girder analysis, full box including web-lines

• User defined box cross sections

• Integral with pier27

Capabilities – RatingFloor Systems (ASR and LFR)

• Girder-Floorbeam-Stringer

• Truss-Floorbeam-Stringer

• Girder-Floorbeam

• Truss-Floorbeam

• Floorbeam-Stringer

28

Capabilities – RatingFloor Systems (ASR and LFR)

• Floor trusses

29

Capabilities – RatingTrusses (LFR)

• Continuous spans

• Suspended spans

• Counters

• Deck trusses

• Through trusses

30

Capabilities – RatingSawn Timber Superstructures (ASR)

• Includes deck rating

31

Capabilities – RatingAnalysis of nonstandard gage vehicles

• Unlimited number of axles

• Unlimited number of wheels per axle

• User-defined vehicle loading path

32

Capabilities – RatingRating 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

33

AASHTOWare Bridge Design and RatingContact InformationFeel free to contact us or visit our website for more information

Inquiries: Judy Skeen - AASHTO Project Manager(512) 963-1465

Support Email: brdr@mbakerintl.com

Technical Support: http://aashto.mbakercorp.com

AASHTOWare: http://www.aashtoware.org

34