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Steel Bridge Design using AASHTO Bridge Design Specifications

This course will be taught by Dr. Atorod Azizinamini(Azizi), P.E., Ph.D., an associate professor of Civil Engineering at UNL.
Dr. Azizi has taught courses on design of steel bridges using AASHTO LRFD and bridge substructure design to practitioners and is chairman of the ASCE Steel Bridge Committee. He is also a member of AISI Steel Bridge Task Force. Dr. Azizi is active in steel bridge research and currently is director of NaBRO at UNL.

As a result of major interest on the part of the design community in Nebraska, a course devoted to designing steel bridges using AASHTO LRFD Bridge Design Specifications will be offered by National Bridge Research Organization (NaBRO), during fall of 1998.

Dates:
November 10, 17 & 24, 1998
December 1, 8, 15 & 22, 1998

Time:
Each class will be held between 4:30 p.m. and 7:00 p.m.

Registration Fee:
$950.00 per participant.

Who to Contact:
If you are interested in registering for this course please contact Ms. Barbara Gnirk at:
Telephone: (402) 472-4595, or
Fax: (402) 472-0859.

Materials Needed:
Participants will need to purchase latest AASHTO LRFD Bridge Design Specifications with 1997 interims.

Course Review:
This course will review all the provisions and changes that have been incorporated in the new LRFD specifications. These provisions will be thoroughly discussed by reviewing the background of stated design provisions and example problems. Time permitted, topics will include:

  • Why LRFD? load models for strength and fatigue limit states;
  • distribution factors for various load conditions and limit states;
  • different analysis types permitted;
  • an efficient approach for organizing analysis results, suited for LRFD design;
  • use of available free software for conducting bridge analysis for AASHTO LRFD;
  • fatigue and fracture design and analysis considerations;
  • design of positive and negative sections for both compact and non-compact sections;
  • various flexural design requirements such as ductility provisions for positive sections;
  • hybrid sections;
  • constructability design provisions;
  • alternate design equations for calculating negative section capacity;
  • shear design provisions for stiffened and unstiffened panels and cross frames and their rule in load carrying capacity.