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The new model allows Rail Net Denmark to calculate, with great accuracy, how buildings near railway sections are affected by vibrations and noise. Such knowledge is especially relevant in connection with the new high-speed railways.
"Vibrations and noise generated by rail projects may cause significant inconvenience for residents of neighbouring properties and may even lead to health problems. Consequently, to best protect neighbours from nuisances caused by rail traffic, we need to have accurate calculations. Such calculations build on a massive amount of measurements made in neighbouring properties of vibrations and noise generated by rail traffic," explains Market Director Jacob Egede Andersen from COWI.
COWI's model was developed for Rail Net Denmark over the course of the past three years. Rail Net Denmark has made the vibration model available to all future track projects, regardless of who wins the specific consultancy contracts. In addition, in the next three years, COWI will oversee the operation of a web app developed based on the model. The app is a useful tool for consultants that are involved in assessing vibrations and noise for Rail Net Denmark.
The vibration model will also be used by COWI Sweden on a high-speed section at Borås. Furthermore, the model has been adjusted to meet the demands of the Copenhagen Metro and the Odense Tramway project.
The industry has also taken a great interest in COWI's new model. For instance, Danish Rockdelta, which is part of the Rockwool group, which manufactures vibration-dampening insulation material for railways. Austrian Getzner and Italian Isolgomma have also expressed their interest in the model.
Jacob Egede AndersenMarket Director, COWITel.: +45 20 20 39 69
Jon SandreidEnvironmental Consultant, Rail Net DenmarkTel.: +45 8234 0828
Read the technical report about the new vibration model here (pdf)
Acoustiscs, noise and vibration from infrastructure