Ohio Department of TransportationJohn R. Kasich, Governor Jerry Wray, Director

March 25, 2014

AASHTOWare Bridge Design/Rating (Br DR)

Program Overview

Amjad Waheed, PEAssistant Administrator

Office of Structural Engineering

http://www.s-anand.net/blog/calvin-and-hobbes-dad-explains-science/

14’Varies14’-30’

HL93Truck + Lane

8k 32k

32k

4’

HL93Tandem + Lane

25k

25k

0.640 k/ft.

0.640 k/ft.

Ohio Legal Loads

10 k

ips

20 k

ips

10’ (3.05m)2F1

17 k

ips

12 k

ips

17 k

ips

10’

3F1

4’ (1.22m)

14 k

ips

12 k

ips

14 k

ips

4F1 14 k

ips

10’ 4’ 4’

17 k

ips

12 k

ips

17 k

ips

5C1

12’ (3.66m)

4’ 4’31’(9.45m)

17 k

ips

17 k

ips

10 kips = 44.5 kN12 kips = 53.4 kN14 kips = 62.3 kN16 kips = 71.2 kN17 kips = 75.6 kN15 T

23 T

27 T

40 T

• Bridge Design and Rating

• Bridge Management

• Bridge Design and Rating

• Bridge Management

https://aashto.mbakercorp.com/Pages/default.aspx

12

AASHTOWare Bridge Design and Rating Version 6.5 - New Features

• AASHTO3DEngineforcurvedsteelmulti‐girdersystemdesignreviewandrating

• AASHTO3DEngineliveloadingofdiaphragmsinstraightandcurvedsteelmulti‐girdersystems

• AASHTOEngineforreinforcedconcreteslabsystemdesignreviewandrating

• AASHTOLRFREngineforDistributionFactor‐LineGirderanalysis

• AASHTODeckEngineforcorrugatedmetaldecksimplespanmodelrating

AASHTOWare Bridge Design and Rating Version 6.5 - New Features

• AASHTOLRFDSpecificationupdates(6thEditionwith2013Interim)

• AASHTOManualforBridgeEvaluationSpecificationupdates(2ndEditionwith2013Interim)

• Optiontoconsidersubstructuredrilledshaftnon‐linearcrackedstiffness

• Optiontooverridecapacitiesatpointsofinterest• OptiontooverrideLRFDloadmodifiersforculvertanalysis

• ControloptiontoallowLFDplasticanalysisforcoverplates

• ConsiderationofcoverplatesinFcr computation• UserGroupenhancements

3D Curved Steel Multi-girder SystemDesign Review (LRFD) and Rating (ASR/LFR/LRFR)

Including live loading of diaphragms

16

Reinforced Concrete Slab SystemDesign Review (LRFD) and Rating (ASR/LFR/LRFR)

17

• BrDPSdesigntool(Iterativedesign)

• CurvedGirderPhase3(e.g.3Dmodeldiaphragmspecchecking)

• SteelgirdersimpleforDLandcontinuousforLL

• AdjacentVehicleRating

• Culvertweldedwirereinforcement

18

Post-tensioned & Reinforced Concrete Multi-cell BoxLRFR Rating

19

BrD

Agency Licenses = 21 Licensee

Map KeyConsultant Licensees = 20 Non- Licensee

Manitoba, CanadaCountry

Manitoba, CanadaCountry

City/County/TerritoryPhoenix, AZ

Washington, D.C.Puerto Rico

Agency Licenses = 33 Licensee

Map KeyConsultant Licensees = 460 Non- Licensee

BrR

20

• Softwaremodernization• GussetPlateAnalysis• Framemodelingandanalysis• Steelboxgirders• MoreIterativeDesignTools• ExpandPTtootherstructuretypes• Integralabutments• Permittingandroutingcapabilities• Trussuserinterface• Strongerreportingtools

21

http://www.dot.state.oh.us/Divisions/Engineering/Structures/BridgeManagementSection/StructureRatingSuperload/Pages/Structure_Rating_and_Superload.aspx

Bridge Design Manual Section 900 STRUCTURE LOAD RATING

Amjad Waheed, PE

Bridge Management SectionOffice of Structural Engineering

ODOT, Columbus, Ohio

Email: amjad.waheed@dot.state.oh.usPhone: 614-752-9972