TRB’s National Cooperative Highway Research Program (NCHRP) Report 776: Bridge System Safety and Redundancy provides proposed revisions to the design philosophy section of the American Association of State Highway and Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications.
The following appendices are available for download:
A3: Implementation Example for I-Girder System Under Vertical Load
B1: Nonlinear Redundancy Analysis of Truss Bridges
B2: Nonlinear Redundancy Analysis of Steel Tub Girder Bridge
B3: Nonlinear Redundancy Analysis of Multi-Cell Pre-stressed Concrete Box-Girder Bridge
C: Review of the States of the Art and Practice
D1: Redundancy Analysis of Composite Spread Box Girder Superstructures Under Vertical Loads
D2: Redundancy Analysis of Prestressed Box Girder Superstructures Under Vertical Loads
D3: Redundancy Analysis of I-Girder Superstructures Under Vertical Loads
National Academies of Sciences, Engineering, and Medicine. 2014. Bridge System Safety and Redundancy. Washington, DC: The National Academies Press. https://doi.org/10.17226/22365.
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