AASHTOWare Bridge Rating Design Update AASHTO SCOBS. T-19 Saratoga Springs, NY April 20, 2015
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1 1 AASHTOWare Bridge Rating Design Update AASHTO SCOBS T-19 Saratoga Springs, NY April 20, 2015
2 3 Comprehensive Bridge Software AASHTOWare Bridge Design and Rating A Software Success Story A 16 year history of the development progression from common to complex bridge analysis for more than 40 agencies and 600 consultants!
3 4 Steel Girder Superstructures Rolled shapes Welded plate girders Built-up I shapes
4 5 P/S Concrete Superstructures Precast shapes I beams Boxes Multi-stem Tee U beams
5 6 Reinforced Concrete Superstructures Tee beams Slabs I beams
6 7 Multi-cell boxes Reinforced Concrete Post-tension Concrete
7 8 Trusses Deck Through Combination Counters
8 9 Floor Systems Girder-Floorbeam- Stringer Girder-Floorbeam Truss-Floorbeam- Stringer Truss-Floorbeam Floorbeam-Stringer
9 10 Floor Systems Floor trusses
10 11 R/C Box Culverts
11 12 3D Analysis R/C Multi-girder
12 13 3D Analysis P/S Multi-girder
13 14 3D Analysis - Steel Multi-girder Straight 3D
14 15 3D Analysis Curved Steel Girder
15 16 Permit Routing & Nonstandard Gage Billerica Carlisle Concord Burlington Lexington Lincoln Bedford North Road Carlisle Road Concord Road Springs Road Pine Hill Road Old Billerica Road Burlington Road Page Road Page Road Shawsheen Road Brooksbie Road Hartwell Road South Road Summer Street Hartwell Avenue The Great Road Bedford Road Grove Street Bedford Street Middlesex Turnpike Burlington Mall
16 17 Substructure - Piers
17 18 AASHTO Spec Checking
18 19 AASHTO Spec Checking Multiple versions supported
19 20 AASHTOWare Bridge Rating Current Participation City/County/Territory Phoenix, AZ Puerto Rico Maricopa, AZ NY City, NY Army Corps of Engr. NJ Turnpike Washington D.C. Country Manitoba, Canada Consultant Licenses = 573 Agency Licenses = 39 Map Key Non- Licensee Licensee
20 21 AASHTOWare Bridge Design Current Participation City/County/Territory Cincinnati, OH Country Manitoba, Canada Consultant Licenses = 35 Agency Licenses = 17 Map Key Non- Licensee Licensee
21 22 Enhancements for 6.7 June 2015 User Group Top Enhancements
22 23 Enhancements for 6.7 June 2015 Gusset Plate Rating Includes LRFR Truss Rating
23 24 Enhancements for 6.7 June 2015 Splice Analysis and Rating for Steel Girders LRFD, LRFR, LFR Hybrid splices Splices for Curved Girders Simple for Dead Load, Continuous for Live Load
24 25 Enhancements for 6.7 June 2015 Cut Top Strand for Prestress Concrete Beams Splayed Girder Computation of Distribution Factors Implement RC Slab System in Substructure LRFR for Floor System AISC Steel Shape Update
25 26 Enhancements for 6.7 June 2015 LRFR Lateral Flange Moment Report AASHTO Engine Specification updates MBE 2 nd Edition, 2015 interim LRFD 7 th Edition 2015 interim Other Maintenance Improvements Allow negative epsilon in concrete shear computation Report actions for both sides of a point-of-interest User-defined DL distribution by percentage
26 27 Design Tools - Update Automated Prestressed Concrete Beam Design Completed the software design Phase 1 Single Beam Design Phase 2 Framing Plan Design Nearly complete with the user interface development for Phase 1 Release of Phase 1 1 st quarter 2016
27 28 Design Tools Update Steel Plate Girder Design Optimization Software design is in progress Defining requirements Preparing user interface mockups Formulating the steel design algorithm
28 29 Modernization Update The modernization proposes to create more powerful, easier to use tools to assist agencies in designing and load rating their inventory in a more cost-effective manner.
29 30 Modernization Update Why Modernize? Life span of the Bridge Design/Bridge Rating predecessor, BARS, was 20+ years It has been nearly 20 years since the design and development of the current system began and 16 years since it s April 1999 release (formerly known as Virtis) The design is based on the technology of the late 1990s.
30 31 Modernization Update Why Modernize? When development started: Windows 95 or NT was common and was replacing Windows 3.11 Needed a 386DX processor Needed minimum 4 MB RAM (8 MB recommended) Hard drives in the MB size were common There have been 7 versions of Windows OS since development began: Windows 95, 98, ME, XP, Vista, 7, and 8
31 32 Modernization Update Why Modernize? Currently: Windows 7 or 8 64 bit Memory 16 to 32 GB common Hard drives in 1 or 2 TB are common, very fast solid state drives becoming common in GB range Tremendous changes in OS and hardware over the last years
32 33 Modernization Update Why Modernize? Recent addition of 3D analysis pushes the computational limits of the current system Software tools for development have significantly improved User expectations have matured Hardware has improved, need to take full advantage of new hardware capabilities (e.g. multi-threading)
33 34 Modernization Update Benefits: It is time to migrate to a new architecture using the latest development tools. Significantly upgrade the core technology to a modern software architecture that better utilizes current and future hardware, and the latest software development technologies Improve analysis performance by taking advantage of multi-threading (running multiple tasks simultaneously) capabilities of the latest hardware
34 35 Modernization Update Benefits: Improve and simplify the user interface - easier to use for beginners without losing modeling flexibility for advanced users Improve reporting capabilities Reduce maintenance costs Reduce implementation time for new features
35 36 Modernization Update Progress: Conducted a workshop with stakeholders to identify the requirements that drive the software design. Completed an architecture design that will satisfy those requirements. Prepared conceptual user interface mockups of the modernized user interface. Solicitation for funding later this year (2015)
36 37 Modernization Update In conclusion Improve efficiency for more than 600 consultants and 40 agencies. It s all about the data! Licensing agencies have an enormous investment in their bridge data. The data and your investment will be preserved.
37 38 Thank you
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