Mathematical Modeling of the Floating Sleeper Phenomenon Supported by Field Measurements

Mojmir Uranjek, Denis Imamović and Iztok Peruš ()
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Mojmir Uranjek: Building and Civil Engineering Institute, Dimičeva 12, SI-1000 Ljubljana, Slovenia
Denis Imamović: Faculty of Civil Engineering, Architecture and Transportation Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia
Iztok Peruš: Faculty of Civil Engineering, Architecture and Transportation Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, Slovenia

Mathematics, 2024, vol. 12, issue 19, 1-17

Abstract: This article aims to provide an accurate mathematical model with the minimum number of degrees of freedom for describing the floating sleeper phenomenon. This was accomplished using mathematical modeling supported by extensive field measurements of the railway track. Although the observed phenomenon is very complex, the simplified single degree of freedom (SDOF) mathematical model proved accurate enough for its characterization. The progression of the deterioration of the railway track was successfully correlated to changes in the maximal dynamic factor for different types of pulse loading. The results of the presented study might enable the enhanced construction and maintenance of railroads, particularly in karst areas.

Keywords: floating sleepers; dynamic factor; pulse loading; field measurements; SDOF mathematical model (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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