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Title: Updating AASHTO Concrete Design Provisions - Prof. Mertz's Final Major Contribution to AASHTO LRFD

Author(s): John M. Kulicki and Gregg A. Freeby

Publication: Symposium Paper

Volume: 340

Issue:

Appears on pages(s): 1-18

Keywords: concrete bridge design, STM, disturbed beam regions, concrete anchors, beam ledges, node efficiency factors

Date: 4/1/2020

Abstract:
Dr. Dennis Mertz was involved with the AASHTO LRFD Bridge Design Specifications [1] for 30 years. Starting with the original development of the specifications and continuing with maintenance and related course development and presentations. His last major contribution to the Specifications was to serve as Principal Investigator for the reorganization of Section 5, Concrete Structures. This presentation summarizes the changes to the structure of the Section including the increased emphasis on design of “B” and “D” regions of flexural members and introduces new and expanded material on beam ledges and inverted T-caps, shear and torsion, anchors, strut and tie modeling and durability. The product of this work was included in the 8th Edition of the Specifications as a complete replacement of Section 5.




  

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