Requirements for noise and vibration insulation in modern tram track designs
Abstract
Rail filler blocks are used in modern tram track design, and their elastic properties help achieve significant reduction of noise and vibration. Large variety of filler materials and designs complicates their use under different operational conditions, which makes it necessary to justify requirements for them. Achievement of objectives set was carried out by computer simulation using specialised computation and analysis software and comparison of results obtained to field studies. Finite elements method was used for calculation of basic characteristics that determine the fillers’ working capacity and for comparison of these indices to results of laboratory studies. Possibility of applying the proposed method to justify fillers’ parameters is outlined. Calculations allow forecasting working capacity and efficiency of fillers of various designs when replacing rails after 25 years (5 million load cycles) and operational life of monolithic reinforced concrete foundation (50 years).
About the Authors
E. P. Dudkin
Emperor Alexander I St Petersburg State Transport University
Russian Federation
Russian Federation
Evgenii P. Dudkin, Dr. Sc. Eng., professor, head of the Industrial and Urban Transport research and education centre
K. A. Gmyria
Emperor Alexander I St Petersburg State Transport University
Russian Federation
Russian Federation
Kirill A. Gmyria, MA, PhD student
N. N. Sultanov
Emperor Alexander I St Petersburg State Transport University
Russian Federation
Russian Federation
Nariman N. Sultanov, Cand. Sc. Eng., senior lecturer of the Transport System Road Construction department
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Review
For citations:
Dudkin E.P., Gmyria K.A., Sultanov N.N. Requirements for noise and vibration insulation in modern tram track designs. Transport of the Russian Federation. 2021;(1-2):75-77. (In Russ.)
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