Recommended design specifications for live load distribution to buried structures
Title:
Recommended design specifications for live load distribution to buried structures
Author:
Petersen, D. Lee.
ISBN:
9780309118224
Publication Information:
Washington, D.C. : Transportation Research Board, 2010.
Physical Description:
75 p. : ill. ; 28 cm.
Series:
NCHRP report, 647
Report (National Cooperative Highway Research Program) ; 647.
General Note:
At head of title: National Cooperative Highway Research Program.
Performed by CNA Consulting Engineers and Simpson Gumpertz & Heger Inc.
Contents:
Ch. 1. Introduction and Research Approach: Review and Evaluations of Relevant Experience, Soil Constitutive models and Software, 2D and 3D Modeling, Development of SDEs on Culvert Forces, Refined Analysis Guidelines -- Ch. 2. Findings: Review and Evaluation of Relevant Experience, Selection and Development of Refined Analytical Models, Development of SDEs, Effect of SDEs on Culvert Forces, Guidelines for Use of Refined Analysis Methods -- Ch. 3. Interpretation, Appraisal, and Applications: SDEs, Recommeded Changes to the AASHTO LRFD Bridge Design Specifications, Overall Design and Reliability Margin -- Ch. 4. Conclusions -- References.
Abstract:
This report provides recommendations to revise the AASHTO LRFD Bridge Design Specifications relating to the distribution of live load to buried structures. The report details the development of simplified design equations (SDEs) for structural response based on three-dimensional (3D) analysis of 830 buried culverts. In addition, the report provides guidelines for conducting 2D and 3D modeling for design situations with conditions not covered by the SDEs. The material in this report will be of immediate interest to roadway and bridge designers.
Added Author:
Holds: Copies: