TRB's National Cooperative Highway Research Program (NCHRP) Web-Only Document 218: Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1 studies the change in sound levels and characteristics caused by sound reflections off a reflective, non-absorptive noise barrier on the opposite side of a highway.
National Academies of Sciences, Engineering, and Medicine. 2016. Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1. Washington, DC: The National Academies Press. https://doi.org/10.17226/23457.
Chapters | skim | |
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============== | 1-1 | |
Front Matter | 2-3 | |
Contents | 4-11 | |
Acknowledgments | 12-12 | |
Abstract | 13-13 | |
Executive Summary | 14-16 | |
Chapter 1 Introduction | 17-19 | |
Chapter 2 Research Approach | 20-27 | |
Chapter 3 Study Locations | 28-53 | |
Chapter 4 Findings and Applications | 54-111 | |
Chapter 5 Conclusions, Recommendations, and Suggested Research | 112-116 | |
References | 117-117 | |
Appendix A - Literature Review | 118-150 | |
Appendix B - Detailed Protocols and Results | 151-373 | |
Appendix C - Photographs from All Measurement Sites | 374-428 |
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