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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 851: Proposed AASHTO LRFD Bridge Design Specifications for Light Rail Transit Loads provides proposed specifications for bridges carrying light rail transit loading, including those subjected to both light rail and highway traffic loading. The proposed specifications and design examples are based on comprehensive response monitoring of five bridges carrying light rail transit vehicles in Denver, Colorado, and analytical programs for investigating the behavior of light rail bridges, live loads and associated forces, rail–train–structure interaction, and load factor calibration to implement the Load and Resistance Factor Design (LRFD) method. A standard live load model generates uniform design outcomes for any transit agency. Load factors are calibrated, particularly for the strength and fatigue limit states of light rail bridges.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2017. Proposed AASHTO LRFD Bridge Design Specifications for Light Rail Transit Loads. Washington, DC: The National Academies Press. https://doi.org/10.17226/24840.

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Publication Info

210 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/24840
Chapters skim
Front Matter i-vii
Summary 1-1
Chapter 1 - Introduction 2-5
Chapter 2 - State of the Art Review 6-20
Chapter 3 - Research Program 21-190
Chapter 4 - LRFD Guide Specifications for Bridges Carrying Light Rail Transit Loads 191-192
Chapter 5 - Summary and Conclusions 193-194
References 195-200

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