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
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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: [email protected]: 614-752-9972
