During the last 30 years a lot of technical solutions were developed to reduce the emission of rolling noise at source, but rarely implemented despite the public pressure to make railways quieter has increased continuously. Therefore a method has been evolved which distinguishes different approaches and can be used as a bases for development to find the best strategy to reduce railway noise caused by railways in the most efficient manner. The method allows the evaluation of vehcle- as well as track-related measures and is open for new techniques. The noise reception at dwellings was calculated at each floor and each facade in 6 situations in four towns including a variety of scenarios with noise barriers of different lengths and heights and sections of 3 and 6 dB(A) more silent track. The facade-length of dwellings opposed to reception levels above the thresholds were calculated and their dependency from the emission level determined. The noise propagation calculation was completed in two different levels of accuracy to analyse its importance in general and its influence on the optimisation process in particular. The input data and the acoustic modelling are described and first results presented. In the next step investments and costs will be calculated so that optimal performances can be realised.


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    Title :

    A method for evaluation and optimisation of noise-reducing measures on railways


    Contributors:


    Publication date :

    2002


    Size :

    11 Seiten, 3 Bilder, 1 Tabelle, 10 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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