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Träfflista för sökning "WFRF:(Coensel Bert De) srt2:(2014)"

Sökning: WFRF:(Coensel Bert De) > (2014)

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1.
  • Forssén, Jens, 1968, et al. (författare)
  • Toolbox from the EC FP7 HOSANNA project for the reduction of road and rail traffic noise in the outdoor environment
  • 2014
  • Ingår i: Transport Research Arena 2014, Paris, France. ; , s. 10-
  • Konferensbidrag (refereegranskat)abstract
    • This paper offers a brief overview of innovative methods for road and rail traffic noise reduction between sourceand receiver. These include using new barrier designs, planting of trees, treatments of ground and road surfacesand greening of building façades and roofs using natural materials, like vegetation, soil and other substrates incombination with recycled materials and artificial elements. The abatements are assessed in terms of numericallypredicted sound level reductions, perceptual effects and cost–benefit analysis. Useful reductions of noise fromurban roads and tramways are predicted for 1-m-high urban noise barriers and these are increased by addinginter-lane barriers. A 3 m wide 0.3 m high lattice ground treatment, a carefully planted 15-m-wide tree belt andreplacing 50 m of paved areas by grassland are predicted to give similar reductions. Tree belts are shown to bevery cost-effective and combining tall barriers with a row of trees reduces the negative impact of wind. Greenroofs may significantly reduce the noise at the quiet side of buildings.
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2.
  • Nilsson, Mats E., et al. (författare)
  • Perceptual effects of noise mitigation
  • 2014
  • Ingår i: Environmental Methods for Transport Noise Reduction. - : CRC Press. - 9780415675239 ; , s. 195-219
  • Bokkapitel (refereegranskat)abstract
    • Noise mitigation reduces the audibility of a noise source at the location of the receiver, making the source less annoying and less likely to interfere with activities, such as sleep, rest, and speech. Many mitigation methods change temporal and spectral properties of noise, which may influence perceived annoyance, over and above the effect related to the overall reduction in A-weighted sound pressure level. Noise reduction also may increase the noticeability of other sources, which may influence the perception of the overall acoustic environment. Finally, well-designed noise mitigation solutions may improve the visual environment, e.g., a vegetated noise barrier or earth berm can visually shield the traffic and increase the amount of visible greenery. This chapter provides examples of such perceptual effects of noise mitigation, from effects on perception of the noise itself, via effects on the soundscape, to potential effects on the overall audio-visual environment.
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