Indicators for Common Crossing Structural Health Monitoring With Track-Side Inertial Measurements

Sysyn, Mykola; Gerber, Ulf; Nabochenko, Olga; Li, Yangyang; Kovalchuk, Vitalii

doi:10.14311/ap.2019.59.0170

Cited by 19 publications

(10 citation statements)

References 24 publications

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“…The unevenness in rail surface (for example 0.03 mm or deeper) can cause significant vertical acceleration of unsprung mass with the increase in railway speed and axle load (Table 1). Therefore, the importance of inspection [8][9][10][11] and preventive maintenance on the modern railway infrastructure is essential.…”

Section: Discussionmentioning

confidence: 99%

Improvement recommendations for railway infrastructure maintenance

et al. 2020

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Based on the railway network performance, Infrastructure Manager is obligated to define the Maintenance plan for railway infrastructure, which contains corresponding values for intervention limits and alert limits. This paper considers vehicle response to track excitation due to the rail defect (code 2202 according to defect classification). It is indicated that theoretical models and acceleration measurements could be used to assess the quality of track geometry and ride comfort. The importance of early detection of irregularities of superstructure and substructure was emphasized. Moreover, the importance of inspection and preventive maintenance on the modern railway infrastructure was considered. According to the previous, the authors recommend non-destructive methods for inspection and early detection of irregularities of railway infrastructure.

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Section: Discussionmentioning

confidence: 99%

Improvement recommendations for railway infrastructure maintenance

et al. 2020

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“…In the countries of the European Union, inertial diagnostic systems were widely used to diagnose the technical condition of the elements of a railroad track [21]. These are ESAH-M and ESAH-F.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Determining the strained state of prefabricated metal corrugated structures of a tunnel overpass exposed to the dynamic loading from railroad rolling stock

Kovalchuk¹,

Koval

Onyshchenko

et al. 2022

EEJET

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This paper reports the analysis of prospects for the use of prefabricated metal corrugated structures in the body of the embankment of a railroad track in the form of a tunnel overpass in order to pass road vehicles and railroad rolling stock. A technique of inertial dynamic tests of the deformed state of a tunnel overpass from prefabricated metal corrugated structures during the passage of railroad rolling stock is given, by measuring accelerations at the top and on the sides of overpass structures. An algorithm is proposed for processing the acceleration signal for assessing the strained state of metal corrugated structures of a tunnel overpass under the action of dynamic load from railroad transport. Experimental dynamic measurements of accelerations arising at the top and on the sides of a tunnel overpass during the passage of passenger and freight railroad rolling stock were carried out. The maximum value of accelerations arising at the top of a tunnel overpass during the passage of a freight train was 7.99 m/s2, and when passing a passenger train – 6.21 m/s2; the maximum accelerations that occur on the sides were 2.63 m/s2 and 1.77 m/s2. It is established that the maximum deformations of metal corrugated structures of the top of a tunnel overpass, when passing freight and passenger trains are, respectively, 1.63 mm and 1.11 mm. The maximum strains of metal corrugated structures on the sides of an overpass are 1.07 mm and 0.48 mm. The value of relative deformations in the vertical and horizontal dimensions of the structures of a tunnel overpass under the action of dynamic loads from the railroad rolling stock has been found. The relative vertical strains of an overpass amounted to 0.020 %; horizontal – 0.012 %. The practical significance of this work is that with the help of the devised procedure for measuring accelerations, it is possible to assess the strained state of metal corrugated structures under the influence of dynamic loads from the railroad rolling stock

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“…Numerical predictions of the long-term accumulation of plastic deformation and wear are shown in [24]. Development of indicators for structural health monitoring of common crossing, with track-side inertial measurements, is presented in [25]. The time and spectral features were extracted from inertial measurements, principal component analysis was used to develop the indicator.…”

Section: The Hht Based Features Extraction Of Crossing Degradationmentioning

confidence: 99%

Common Crossing Structural Health Analysis with Track-Side Monitoring

Sysyn¹,

Nabochenko²,

Kluge³

et al. 2019

Komunikácie

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Track-side inertial measurements on common crossings are the object of the present study. The paper deals with the problem of measurement's interpretation for the estimation of the crossing structural health. The problem is manifested by the weak relation of measured acceleration components and impact lateral distribution to the lifecycle of common crossing rolling surface. The popular signal processing and machine learning methods are explored to solve the problem. The Hilbert-Huang Transform (HHT) method is used to extract the time-frequency features of acceleration components. The method is based on Ensemble Empirical Mode Decomposition (EEMD) that is advantageous to the conventional spectral analysis methods with higher frequency resolution and managing nonstationary nonlinear signals. Linear regression and Gaussian Process Regression are used to fuse the extracted features in one structural health (SH) indicator and study its relation to the crossing lifetime. The results have shown the significant relation of the derived with GPR indicator to the lifetime.

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Indicators for Common Crossing Structural Health Monitoring With Track-Side Inertial Measurements

Cited by 19 publications

References 24 publications

Improvement recommendations for railway infrastructure maintenance

Improvement recommendations for railway infrastructure maintenance

Determining the strained state of prefabricated metal corrugated structures of a tunnel overpass exposed to the dynamic loading from railroad rolling stock

Common Crossing Structural Health Analysis with Track-Side Monitoring

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