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Long-term behaviour analysis of recycled elastomeric material for high damping vibration levels induced by railways
Diego, Soraya; Casado, Jose Antonio; Carrascal, Isidro A; Ferreño, Diego; Cardona, Joan; Arcos Villamarín, Robert
Universitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica; Universitat Politècnica de Catalunya. LEAM - Laboratori d'Enginyeria Acústica i Mecànica
The use of elastomeric particles obtained from old tires to produce anti-vibration mats to reduce vibrations in railways is studied. In the first part of this work a numerical simulation for dimensioning the element has been performed. The behavior for a wavy surface was deducted obtaining good approximation to the empirical results. In the second part the methodology used to assess the Insertion Loss, IL, provided by the anti-vibration system is described. The analytical superstructure/ground model developed within the frame of the project is presented. The model is based on an elementary superstructure model with no elastomeric material and is conveniently modified to introduce an under ballast mat. Finally the study shows the validation of the mechanical behavior of prototype mats under dynamic efforts according to standards [1-6]. The results show that the behavior of crushed rubber is suitable to be used as anti-vibration systems
Àrees temàtiques de la UPC::Enginyeria dels materials
Railroads
Elastomers
Recycling
Rubber
Finite elements method (FEM)
Insertion loss
Mechanical fatigue
Recycled elastomer
Elastòmers
Reciclatge (Residus, etc.)
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