Field Evaluation of Reflected Noise from a Single Noise Barrier—Phase 1 (2016) / Chapter Skim
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4 C H A P T E R 1 Introduction The Problem By the end of 2010, over 180 million square feet of highway noise barriers had been constructed in the United States, of which only 2% were sound-absorbing (Ref.
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5 of the near lanes of travel and the receptors on the far side of the highway. This could lead to an increase in the A-weighted sound level or changes in the spectral content that could be perceived negatively.
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6 Project Objectives and Approach Given the complicated nature of reflections off of single highway noise barriers, research is needed to assess how diverse site conditions affect the nature of the reflected sound. To address this, the objectives of this research are to: 1.
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