Safety at railway level crossings and Vision Zero
 
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1
Prof., DSc., PhD., Eng., Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, G. Narutowicza Str. 11/12, 80-233 Gdańsk, Poland
 
2
PhD., Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, G. Narutowicza Str. 11/12, 80-233 Gdańsk, Poland
 
3
PhD., Eng., Gdańsk University of Technology, Faculty of Civil and Environmental Engineering, G. Narutowicza Str. 11/12, 80-233 Gdańsk, Poland
 
 
Submission date: 2020-08-29
 
 
Final revision date: 2020-12-27
 
 
Acceptance date: 2020-12-29
 
 
Publication date: 2021-06-24
 
 
Archives of Civil Engineering 2021;67(2):117-132
 
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ABSTRACT
In this work, safety analysis at the railway level crossings is presented using advanced mathematical modelling. Resistivity of track subgrade panels is taken into account. The analysis does not refer to the assessment of the current regulations. Specific cases of generalized dynamic system are considered by introducing operations S=Δ, S=P defined in space C(N) of real sequences. In this model, generalized discrete exponential and trigonometric functions that reflect the oscillatory nature of the analysed quantities are used. The advantage of the analyzes is the avoidance of numerical errors. We show also the importance of the resistivity of track subgrade panels in safety at the level crossings. The safety at the level crossings can be increased through providing track subgrade panels with appropriate resistivity to minimize negative effect of stray currents. The results may be used to evaluate selected safety indicators as well as to predict safety levels and to determine the ways of improving safety.
eISSN:2300-3103
ISSN:1230-2945
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