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.
Table of Contents
|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|
|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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