• Vol 1, No 1 (2010)
  • Civil Engineering

Evaluating Track Geometrical Quality through Different Methodologies

Abdur Rohim Boy Berawi, Raimundo Delgado, Rui Calçada, Cecilia Vale

Publish at : 01 Jul 2010 - 00:00
IJtech : IJtech Vol 1, No 1 (2010)
DOI : https://doi.org/10.14716/ijtech.v1i1.1000

Cite this article as:
Berawi, A.R.B.., & Delgado, R..Calçada, R.., Vale, C.., 2017. Evaluating Track Geometrical Quality through Different Methodologies. International Journal of Technology. Volume 1(1), pp.38-47
Abdur Rohim Boy Berawi Transportation System, MIT - Portugal Program, University of Porto, Rua Dr. Roberto Frias, s/n 4200-465 Porto, Portugal
Raimundo Delgado Department of Civil Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n 4200-465 Porto, Portugal
Rui Calçada Department of Civil Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n 4200-465 Porto, Portugal
Cecilia Vale Department of Civil Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n 4200-465 Porto, Portugal
Email to Corresponding Author


The implementation of High Speed Railway (HSR) networks involves a large amount of financial support imposing, not only at the conception and design level, but also during the line operation, a demanding, a complete, and a rigorous estimation of the total cost involved in the life cycle of the system. By using appropriate tools for estimating HSR life cycle costs (LCC), it is possible to minimize the final cost and, at the same time, to identify the most important aspects and parameters influencing the cost evaluation. Research, therefore, is not only required on the LCC modeling, but also on the estimation of major degradation factors and in the assessment of its impact on the maintenance needs. This paper deals with this former aspect. The various methodologies for evaluating the geometrical track quality are presented and compared to each other, namely the J Synthetic Coefficient, the Indian TGI and also the approach presented in the European Standard EN 13848-5. In order to compare these three methodologies, they are applied to a railway stretch of the Portuguese Northern Railway Line. By doing so, the prediction of track degradation rate within the period of research can be determined, which possibly is used in the future for defining cost-effective maintenance strategies.

Maintenance optimization, Regression analysis, Track degradation model, Track geometry, Track quality index


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