Train Noise - Comparison of Prediction Methods

M. Němeca, A. Danihelová b, M. Gejdoš c, T. Gergel' a, Z. Danihelová d, J. Suchomel c and M. Čulík e aDepartment of Physics, Electrical Engineering and Applied Mechanics, Technical University in Zvolen, Slovakia bDepartment of Fire Protection, Technical University in Zvolen, Slovakia cDepartment of Forest Harvesting, Logistics and Ameliorations, Technical University in Zvolen, Faculty of Forestry, Slovakia dThe Institute of Foreign Languages, Technical University in Zvolen, Slovakia eTechnical University in Zvolen, Slovakia

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Railway noise in towns and city centres is one of the environmental problems. Defining the noise level is possible in two ways - via in situ measurement or via calculation (prediction). For the comparison of objectively measured values of sound pressure levels from railroads two methods used in the Slovak Republic were chosen - Schall 03 and the Czech prediction method. Track number 170: Zvolen-Vrútky in the town Zvolen was selected as the measurement location of noise exposure. Method Schall 03 overestimates the measurement values by approximately 1 dB and the Czech method by 4 dB. Both prediction methods, in spite of the systematic overestimating, describe the real noise situation very well; The calculated Pearson coefficient of correlation with Schall 03 method was 0.94 and with the Czech method 0.90.

DOI: 10.12693/APhysPolA.127.125 PACS numbers: 43.50.Lj, 43.50.+y