Rail roughness level assessment based on high-frequency wheel-rail contact force measurements

被引：12

作者：

Nielsen, Jens C. O. ^{[1
]}

机构：

[1] Chalmers, CHARMEC, Dept Appl Mech, SE-41296 Gothenburg, Sweden

来源：

NOISE AND VIBRATION MITIGATION FOR RAIL TRANSPORTATION SYSTEMS | 2008年 / 99卷

关键词：

D O I：

10.1007/978-3-540-74893-9_50

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A strategy for the assessment of rail surface quality in terms of a limit value for the mean rail roughness level in the wavelength interval 3 - 8 cm is outlined. The assessment may be used for planning of rail grinding intervals if used together with a system for regular monitoring of rail roughness levels. One such system could be based on instrumented wheelset technology that measures vertical wheel-rail contact forces on a disc-braked passenger wheel in the frequency range up to about 2 kHz. The root mean square value of the vertical wheel-rail contact force after band-pass filtering with cut-off wavelengths 3 cm and 8 cm is shown to be an efficient indicator for detection of track sections with short-pitch rail corrugation.

引用

页码：355 / 362

页数：8

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