Integrated noise calculation and evaluation according to the EU directive on environmental noise

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The model data for acoustic calculations already contains essential characteristics for more in depth evaluation of the results (i.e. building heights, number of storeys, or ground space per storey). With additional information such as building usage and number of inhabitants, the evaluation and graphical representation of the results can be completed with only a small increase in expense. Additional data can be imported from a GIS system so the user can produce the entire project results from within the noise calculation software itself. Eliminating the need to use a GIS system for the evaluation of the results has the following advantages:
  1. High efficiency because the data is provided in one system.
  2. Data and information losses are largely avoidable.
  3. Integration of mitigation measures are automatically updated in the evaluation results.

This paper uses as an example a small model area to describe the techniques and the data flow for modelling the data, and for the calculation, evaluation and graphical representation of the results. It also describes the problems and possible solutions concerning the different corrections for each noise type according to the dose response relationships, in combination with the consideration of the quiet facade and facades with noise protection.

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