Novel performance-based technique for predicting maintenance strategy of bitumen stabilised ballast

Davide Lo Presti, Marinella Giunta, Davide Lo Presti, Giacomo D'Angelo, Nick Thom

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Despite being the most used worldwide, railway ballasted tracks presents high maintenance cost related to ballast settlement and particle degradation. With the aim of reducing life cycle costs, bitumen stabilised ballast (BSB) has been recently proposed as a relatively cheap alternative maintenance solution to be applied to existing tracks. This study aims at assessing the potential advantages of this technology, defining a novel maintenance strategy of traditional ballasted track- beds. A protocol for the application of the BSB technology and its associated maintenance strategy is defined. To estimate minor and major maintenance operations of BSB scenario in comparison to traditional ballasted track-bed, an integrated model, based on laboratory tests, combining the evolution of track irregularities and ballast contamination with traffic, was used. Results together with a sensitivity analysis related to main parameters adopted revealed that the application of BSB is expected to provide a significant increase of intervals between both minor and major maintenance activities.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalConstruction and Building Materials
Volume161
Publication statusPublished - 2018

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Building and Construction
  • General Materials Science

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