Material Flow Analysis: An Analytical Tool for Strategic Planning Towards a Zero-Waste Solution for End-of-Life Ballast Flows on a Track and Ballast Renewal Site (French Conventional Line)

Olivier Giboulot, Emmanuel Lemelin (), Christophe Binetruy () and Nor-Edine Abriak
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Olivier Giboulot: Ecole Centrale Nantes, CNRS, Civil and Mechanical Engineering Research Institute, Nantes Université, GeM, UMR 6183, F-44321 Nantes, France
Emmanuel Lemelin: Centre for Materials and Processes, IMT Nord Europe, Institut Mines-Télécom, University of Lille, F-59000 Lille, France
Christophe Binetruy: Ecole Centrale Nantes, CNRS, Civil and Mechanical Engineering Research Institute, Nantes Université, GeM, UMR 6183, F-44321 Nantes, France
Nor-Edine Abriak: Laboratory of Civil Engineering and Geo-Environment LGCgE, Materials and Process Department, IMT Nord Europe, F-59000 Lille, France

Resources, 2024, vol. 13, issue 12, 1-34

Abstract: The 27,000 km of railway track in France represents approximately 100 million tonnes of ballast. This ballast requires maintenance approximately every 7 years, screening and partial renewal every 20 years, and complete replacement every 40 years. Despite its shortcomings, ballast is still widely used on railways worldwide, as there is no better or more efficient solution currently available. In an effort to conserve resources, companies such as SNCF (French national railway company) are implementing initiatives to move towards zero waste. In order to achieve the goal of promoting the recycling and recovery of end-of-life material flows, it is necessary to develop specific studies and models for production, such as direct and reverse logistics systems. This article proposes a generic material flow analysis model applied to a track and ballast renewal site, aiming to fill a gap in the literature. It is based on data from eleven track and ballast renewal sites. A flow diagram generated by STAN software presents a detailed diagnosis of ballast inputs, outputs, and stocks, including data uncertainty. The distribution of the material flows through the model is characterized by transfer coefficients in various transformation processes. Furthermore, by varying the quantities in this model, it is possible to study different scenarios based on the current situation. This will facilitate the projection and analysis of future management strategies aimed at achieving zero waste and reducing the discharge of toxic substances based on specific performance indicators.

Keywords: railway track and ballast renewal site; material flow analysis (MFA); STAN free software appropriate for MFA; ballast recycling; waste management; strategic planning (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2024
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