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有砟轨道系统中在道床板下的原型（UBM）振动抑制水平的实验室测试与分析

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

作者信息

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

机构信息

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.

出版信息

Materials (Basel). 2021 Jan 9;14(2):313. doi: 10.3390/ma14020313.

DOI:10.3390/ma14020313
PMID:33435358
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7828021/
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.

摘要

本文旨在分析用于有砟轨道结构的减震垫，其作为隔振器使用，可保护道砟层免受快速劣化影响。这些垫子在实验室进行了测试，随后开发了一种带有减震垫的轨道结构的新型四自由度力学模型。本研究的新颖之处在于比较了两种测试程序：一种基于流行的德国标准DIN 45673-5，另一种是2020年10月发布的新欧洲标准EN 17282。使用这两种方法确定的静态和动态特性值存在重大差异，尤其是对于刚度较高的垫子。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/2f90c88457ad/materials-14-00313-g013.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/64a946fd2a0e/materials-14-00313-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/21e51bf182a7/materials-14-00313-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/2f90c88457ad/materials-14-00313-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/e73aa92a74d3/materials-14-00313-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/cf3de1a8af42/materials-14-00313-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/ca683d78982f/materials-14-00313-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/0281bbfc2908/materials-14-00313-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/e12812c318ad/materials-14-00313-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/028725a1bbba/materials-14-00313-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/677ba67a0eab/materials-14-00313-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/a09aaf66550d/materials-14-00313-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/64a946fd2a0e/materials-14-00313-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/21e51bf182a7/materials-14-00313-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/26c5bac783da/materials-14-00313-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/0759e9b33a12/materials-14-00313-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/90c4/7828021/2f90c88457ad/materials-14-00313-g013.jpg

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本文引用的文献

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