Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems

Kraśkiewicz, Cezary; Zbiciak, Artur; Wasilewski, Kacper; Al Sabouni-Zawadzka, Anna

doi:10.3390/ma14020313

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Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems

Cezary Kraśkiewicz

^1,*

Artur Zbiciak

Kacper Wasilewski

and

Anna Al Sabouni-Zawadzka

Institute of Roads and Bridges, Faculty of Civil Engineering, Warsaw University of Technology, Al. Armii Ludowej 16, 00-637 Warsaw, Poland

Institute of Building Engineering, Faculty of Civil Engineering, Warsaw University of Technology, Al. Armii Ludowej 16, 00-637 Warsaw, Poland

Author to whom correspondence should be addressed.

Materials 2021, 14(2), 313; https://doi.org/10.3390/ma14020313

Received: 30 November 2020 / Revised: 30 December 2020 / Accepted: 7 January 2021 / Published: 9 January 2021

(This article belongs to the Special Issue Experimental Characterization and Numerical Modelling of Damping Capacity for Classical and Innovative Materials)

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Abstract

The present paper is aimed at the analysis of under ballast mats (UBM) which are used in ballasted track structures as vibration isolators and to protect the ballast layer against fast degradation. The mats were tested in the laboratory and afterwards a novel 4-DoF mechanical model of the track structure with UBM was developed. The novelty of this study consists in the comparison of two testing procedures: a procedure based on the popular German standard DIN 45673-5 and a new European standard EN 17282, released in October 2020. Major discrepancies were demonstrated in the determined values of the static and dynamic characteristics using both approaches—especially in reference to the mats with higher stiffness. View Full-Text

Keywords: under ballast mats; vibration isolation; rheological model; testing procedures

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Kraśkiewicz, C.; Zbiciak, A.; Wasilewski, K.; Al Sabouni-Zawadzka, A. Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems. Materials 2021, 14, 313. https://doi.org/10.3390/ma14020313

AMA Style

Kraśkiewicz C, Zbiciak A, Wasilewski K, Al Sabouni-Zawadzka A. Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems. Materials. 2021; 14(2):313. https://doi.org/10.3390/ma14020313

Chicago/Turabian Style

Kraśkiewicz, Cezary, Artur Zbiciak, Kacper Wasilewski, and Anna Al Sabouni-Zawadzka. 2021. "Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems" Materials 14, no. 2: 313. https://doi.org/10.3390/ma14020313

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Laboratory Tests and Analyses of the Level of Vibration Suppression of Prototype under Ballast Mats (UBM) in the Ballasted Track Systems

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