Ohio Department of Transportation
John R. Kasich, Governor
Jerry Wray, Director
AASHTOWare Bridge
Design/Rating (Br DR)
Program Overview
Amjad Waheed, PE
Assistant Administrator
Office of Structural Engineering
March 25, 2014
http://www.s-anand.net/blog/calvin-and-hobbes-dad-explains-science/
40 T
32k
25k
17 kips
17 kips
31’
4’
(9.45m)
HL93
Tandem + Lane
4’
25k
0.640
k/ft.
4’ 4’
12’
4’
(3.66m)
32k
Varies
14’-30’
14’
14 kips
14 kips
14 kips
12 kips
4’ (1.22m)
17 kips
5C1
12 kips
27 T 10’
HL93
Truck + Lane
8k
10’
23 T
4F1
17 kips
12 kips
3F1
17 kips
10’ (3.05m)
15 T
10 kips = 44.5 kN
12 kips = 53.4 kN
14 kips = 62.3 kN
16 kips = 71.2 kN
17 kips = 75.6 kN
17 kips
2F1
20 kips
10 kips
Ohio Legal Loads
0.640
k/ft.
• 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‐girdersystem
designreviewandrating
• AASHTO3DEngineliveloadingofdiaphragmsinstraight
andcurvedsteelmulti‐girdersystems
• AASHTOEngineforreinforcedconcreteslabsystem
designreviewandrating
• AASHTOLRFREngineforDistributionFactor‐LineGirder
analysis
• AASHTODeckEngineforcorrugatedmetaldecksimple
spanmodelrating
AASHTOWare Bridge Design and Rating Version
6.5 - New Features
• AASHTOLRFDSpecificationupdates(6thEditionwith
2013Interim)
• AASHTOManualforBridgeEvaluationSpecification
updates(2ndEditionwith2013Interim)
• Optiontoconsidersubstructuredrilledshaftnon‐linear
crackedstiffness
• Optiontooverridecapacitiesatpointsofinterest
• OptiontooverrideLRFDloadmodifiersforculvert
analysis
• ControloptiontoallowLFDplasticanalysisforcover
plates
• ConsiderationofcoverplatesinFcr computation
• UserGroupenhancements
3D Curved Steel Multi-girder System
Design Review (LRFD) and Rating (ASR/LFR/LRFR)
Including live loading of
diaphragms
16
Reinforced Concrete Slab System
Design Review (LRFD) and Rating (ASR/LFR/LRFR)
17
•
BrDPSdesigntool(Iterativedesign)
•
CurvedGirderPhase3(e.g.3Dmodeldiaphragmspec
checking)
•
SteelgirdersimpleforDLandcontinuousforLL
•
AdjacentVehicleRating
•
Culvertweldedwirereinforcement
18
Post-tensioned & Reinforced Concrete Multi-cell Box
LRFR Rating
19
BrD
Country
Manitoba, Canada
Consultant Licensees = 20
Agency Licenses = 21
Map Key
Non- Licensee
Licensee
Consultant Licensees = 460
Agency Licenses = 33
Map Key
Non- Licensee
Licensee
BrR
City/County/Territory
Phoenix, AZ
Washington, D.C.
Puerto Rico
Country
Manitoba, Canada
20
•
•
•
•
•
•
•
•
•
•
Softwaremodernization
GussetPlateAnalysis
Framemodelingandanalysis
Steelboxgirders
MoreIterativeDesignTools
ExpandPTtootherstructuretypes
Integralabutments
Permittingandroutingcapabilities
Trussuserinterface
Strongerreportingtools
21
http://www.dot.state.oh.us/Divisions/Engineering/Structures/BridgeManagementSection/StructureRatin
gSuperload/Pages/Structure_Rating_and_Superload.aspx
Bridge Design Manual Section 900
STRUCTURE LOAD RATING
Amjad Waheed, PE
Bridge Management Section
Office of Structural Engineering
ODOT, Columbus, Ohio
Email: amjad.waheed@dot.state.oh.us
Phone: 614-752-9972