MEASUREMENT METHODS OF INTERNAL STRESS IN CONTINUOUS WELDED RAIL

Authors

  • Petr Vnenk Department of Transport Structures, Faculty of Transport Engineering, University of Pardubice, Studentska 95, Pardubice, Czech Republic
  • Bohumil Culek Department of Transport Structures, Faculty of Transport Engineering, University of Pardubice, Studentska 95, Pardubice, Czech Republic

DOI:

https://doi.org/10.14311/APP.2017.11.0091

Keywords:

rail, stress, measurement, CWR, temperature

Abstract

This paper deals with the problem of internal rail stress estimation. It is based on a detailed research of contemporary situation in the field, presents basic outlines of the problem and sums up the major research areas and their possible applications in the current state of railway infrastructure management. The directions are divided into four categories in the paper: Displacement Methods, Rail Shifting Methods, Methods Based on Acoustoelastic Effect and Methods Based on Magnetoelastic Effect. Particular methods, both scientific and industrial, are presented in their section respectively. Every method that is presented within the scope of this paper is briefly described and its advantages and disadvantages are mentioned. In the end, potential of application of some of the presented methods in the practical use is discussed.

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Published

2017-08-28

Issue

Vol. 11 (2017): Modernization of Railway - IRICoN 2017

Section

Articles

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