Computational Technology Resources - CCC

B.G. Delgado¹, A. Viana da Fonseca¹, E. Fortunato², A. Paixao² and F Costa³

¹Construct-GEO, Faculty of Engineering of the University of Porto Porto, Portugal
²National Laboratory for Civil Engineering – LNEC Lisbon, Portugal
³Vale S/A, Belo Horizonte, Brazil

doi:10.4203/ccc.1.3.6

B.G. Delgado, A. Viana da Fonseca, E. Fortunato, A. Paixão, F. Costa, "Effects of Parallel Gradation Scaling Technique on Permanent Deformation of a Ballast Material", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 1, Paper 3.6, 2022, doi:10.4203/ccc.1.3.6

Keywords: ballast behaviour, scaling technique, steel slag ballast, heavy haul rail track.

Abstract

This paper investigates possible effects of scale-down technique on the long-term permanent deformation behaviour of the rail ballast, particularly for heavy haul rail track loadings. Two scaled down ballast specimens, of 1:2.5 and 1:2, obtained by parallel gradation from the full scale ballast standard AREMA N. 24, which is widely used in this type of rail tracks in Brazil, were compared. The results for the level of cyclic loading evaluated and for the number of cycles carried out did not show significant differences in long-term behaviour due to possible effects of scaling technique. However, these results should be further investigated in order to obtain more definitive conclusions.

download the full-text of this paper (PDF, 1119 Kb)

go to the previous paper
go to the next paper
return to the table of contents
return to the volume description

	Computational & Technology Resources an online resource for computational, engineering & technology publications
	not logged in - login
Front Page Browse CCC CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Conferences ISSN 2753-3239 CCC: 1 PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 3.6 Effects of Parallel Gradation Scaling Technique on Permanent Deformation of a Ballast Material B.G. Delgado¹, A. Viana da Fonseca¹, E. Fortunato², A. Paixao² and F Costa³ ¹Construct-GEO, Faculty of Engineering of the University of Porto Porto, Portugal ²National Laboratory for Civil Engineering – LNEC Lisbon, Portugal ³Vale S/A, Belo Horizonte, Brazil doi:10.4203/ccc.1.3.6 Full Bibliographic Reference for this paper B.G. Delgado, A. Viana da Fonseca, E. Fortunato, A. Paixão, F. Costa, "Effects of Parallel Gradation Scaling Technique on Permanent Deformation of a Ballast Material", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Edinburgh, UK, Online volume: CCC 1, Paper 3.6, 2022, doi:10.4203/ccc.1.3.6 Keywords: ballast behaviour, scaling technique, steel slag ballast, heavy haul rail track. Abstract This paper investigates possible effects of scale-down technique on the long-term permanent deformation behaviour of the rail ballast, particularly for heavy haul rail track loadings. Two scaled down ballast specimens, of 1:2.5 and 1:2, obtained by parallel gradation from the full scale ballast standard AREMA N. 24, which is widely used in this type of rail tracks in Brazil, were compared. The results for the level of cyclic loading evaluated and for the number of cycles carried out did not show significant differences in long-term behaviour due to possible effects of scaling technique. However, these results should be further investigated in order to obtain more definitive conclusions. download the full-text of this paper (PDF, 1119 Kb) go to the previous paper go to the next paper return to the table of contents return to the volume description
Back to top	©Civil-Comp Limited 2023 - terms & conditions