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TRB’s Transit Cooperative Research Program (TCRP) Web-Only Document 52: Performance-Based Track Geometry explores ride quality literature, vehicle characterization and on-track ride quality testing, track geometry measures, and NUCARS' (a railway multi-body dynamics computer program) modeling and simulation capabilities.

The research highlighted in TCRP Web-Only Document 52 is the first phase of a two-phase project. Phase II of the project will apply the NUCARS simulations and data collected on transit systems during Phase I to train performance-based track geometry (PBTG) neural networks and will explore the PBTG model’s ability to predict ride quality.

Topics

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2012. Performance-Based Track Geometry, Phase 1. Washington, DC: The National Academies Press. https://doi.org/10.17226/22785.

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Publication Info

8.5 x 11 |  DOI: https://doi.org/10.17226/22785
Chapters skim
Front Matter i-viii
Report Contents 1-5
2.0 Literature Survey 6-7
3.0 Vehicle Characterization and On-Track Tests 8-22
4.0 Vehicle Characterization Data Analysis 23-35
5.0 Ride Quality and Track Geometry Data Analysis 36-51
7.0 NUCARS Modeling 52-54
8.0 Conclusions 55-55
9.0 What is Next: Phase II 56-56
Acknowledgment 57-57
Appendix: Ride Quality Literature Review 58-91

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