1 Ohio Department of Transportation John R. Kasich, Governor Jerry Wray, Director November 8, 2018 Update on Bridge Load Rating Amjad Waheed, PE Assistant Administrator Office of Structural Engineering Association for Bridge Construction and Design South West Chapter
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John R. Kasich, Governor Jerry Wray, Director Update on ... · 11/8/2018 · Amjad Waheed, PE Assistant Administrator Office of Structural Engineering Association for Bridge Construction
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Ohio Department of Transportation
John R. Kasich, Governor Jerry Wray, Director
November 8, 2018
Update on Bridge Load Rating
Amjad Waheed, PE
Assistant Administrator
Office of Structural Engineering
Association for Bridge Construction
and Design
South West Chapter
➢ Update on AASHTOWare Bridge Software
➢ Update on BDM Section 900
➢ FAST Act and Load Rating for Emergency
Vehicles
➢ AASHTO Manual of Bridge Evaluation 3rd
Edition
• Bridge Design and Rating
• Bridge Management
https://aashto.mbakercorp.com/Pages/default.aspx
BrD
BrR
4
• Released: October 2018
• Features in 6.8.3
• Modernized Analysis Engine
• Legacy Engine
• All capabilities of 6.8.2
• New Features coming later in 6.8.4/7.0.0
• New interface (new windows)
• Complete new modernized engine
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
3rd-PartyEngine
3D CurvedAnalysis7
9
Rating Use CasesLoad rating based on inspection results
10
6.8.3 Beta Analysis Time Comparison (from Caltrans)
Type Legacy Modernized Mod/Leg x Faster
3 span RC Box 1831 709 39% 2.6
2 span RC Box 2666 911 34% 2.9
4 span slab 544 330 61% 1.6
4 span slab 482 363 75% 1.3
4 span PS-I 2182 798 37% 2.7
3 span PS-I 1830 389 21% 4.7
Total Time (sec)
Test Case – 10 span continuous P/S I beam
Legacy: 172 seconds
Modernized: 40 seconds
Modernized Engine was 4.3 times faster
Test Case A: PCITrainingBridge6Test Case B: Modified Example7 - 10 spansTest Case C: Multi-Cell Box - 4 span - 6 cells