NOISE IMPACT SIMULATION OF ROLLING STOCK IMPROVEMENT: SPECIFIC CASE STUDIES IN SWITZERLAND
✍ Scribed by J. SIMONETT; A. ZACH
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 178 KB
- Volume
- 231
- Category
- Article
- ISSN
- 0022-460X
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✦ Synopsis
Planning cost-e!ective noise abatement measures can be improved by computer simulation. The method used in Switzerland is illustrated by use of a speci"c case study in the community of Rheinfelden. Two di!erent interlinked models are used to determine investments and reduction of noise exposure. First, con#ict zones are identi"ed in a 2-D model. Then, with detailed information on topography, location and height of buildings, 3-D modelling is used to determine best noise abatement measures in the case study situation. The computer simulation compares di!erent scenarios including improved rolling stock, noise abatement barriers and insulating windows. The results show that improvement of rolling stock reduces the costs for other noise protection measures. However, cost e!ects of rolling stock improvement in this speci"c case are much lower than in the average over the entire railway network. This is a typical result for regions with high noise exposure values. It also shows that an optimization of investments in noise abatement measures must take into account at least a representative part of the network, including areas with di!erent noise levels.