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Page 145
Suggested Citation:"References." National Academies of Sciences, Engineering, and Medicine. 2018. Field Evaluation of Reflected Noise from a Single Noise Barrier. Washington, DC: The National Academies Press. doi: 10.17226/25297.
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Page 145
Page 146
Suggested Citation:"References." National Academies of Sciences, Engineering, and Medicine. 2018. Field Evaluation of Reflected Noise from a Single Noise Barrier. Washington, DC: The National Academies Press. doi: 10.17226/25297.
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Page 146

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

A-1 Literature Review Douglas E. Barrett Sanchez InduStrIal deSIgn, Inc. Middleton, WI A P P E N D I X A

A-2 CONTENTS SUMMARY...................................................................................................................................... A-3 CHAPTER A-1 .................................................................................................................................. A-5 Introduction to Appendix A .................................................................................................................. A-5 CHAPTER A-2 .................................................................................................................................. A-6 Community Noise Issues That Have Led to Investigations of Noise Reflected from Barriers .............. A-6 CHAPTER A-3 ................................................................................................................................ A-14 Past Attempts to Quantify the Magnitude and Effects of Noise Reflected from Barriers ................. A-14 CHAPTER A-4 ................................................................................................................................ A-23 The Success of Efforts to Reduce Noise Reflected from Barriers ....................................................... A-23 CHAPTER A-5 ................................................................................................................................ A-31 Conclusions for Appendix A ................................................................................................................ A-31 REFERENCES ................................................................................................................................. A-32

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Field Evaluation of Reflected Noise from a Single Noise Barrier Get This Book
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 Field Evaluation of Reflected Noise from a Single Noise Barrier
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TRB's National Cooperative Highway Research Program (NCHRP) Research Report 886: Field Evaluation of Reflected Noise from a Single Noise Barrier analyzes the characteristics of sound reflected from a noise barrier to the opposite side of a highway. State departments of transportation (DOTs) periodically receive complaints from residents about increases in traffic noise that residents believe are the result of noise reflected from a new noise barrier added across the roadway from them. Currently available analytical tools are limited in their ability to evaluate reflected noise and some of the subtle changes in the quality of sound that can occur when it is reflected. Therefore, it is a challenge for DOTs to determine conclusively if complaints about reflected noise are the result of actual or perceived changes in noise characteristics, and to identify locations where absorptive surface treatments could be beneficial.

The study compares reflected noise from sound-reflecting barriers and from barriers with a sound-absorptive surface. It examines both the levels and frequencies of reflected noise to better understand how reflected noise is experienced by communities.

The full report, which includes four detailed appendices, is 27 MB and may take time to download. It is accompanied by several appendices, a tool, and a guide:

A presentation file that summarizes the research also is available on the report project page.

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