Novel performance-based technique for predicting maintenance strategy of bitumen stabilised ballast
| Autor: | Giacomo D'Angelo, Marinella Giunta, Davide Lo Presti, Sara Bressi, Nick Thom |
|---|---|
| Přispěvatelé: | D'Angelo, G., Bressi, S., Giunta, M., Lo Presti, D., Thom, N. |
| Rok vydání: | 2018 |
| Předmět: |
Ballast
Engineering Maintenance 0211 other engineering and technologies Railway ballast Degradation model 020101 civil engineering 02 engineering and technology Bitumen stabilisation Track (rail transport) 0201 civil engineering Tamping 021105 building & construction Life cycle costs Settore ICAR/04 - Strade Ferrovie Ed Aeroporti General Materials Science Sensitivity (control systems) Civil and Structural Engineering Settlement business.industry Settlement (structural) Maintenance strategy Building and Construction Reliability engineering Life cycle approach Materials Science (all) Asphalt business Marine engineering |
| Zdroj: | Construction and Building Materials. 161:1-8 |
| ISSN: | 0950-0618 |
| DOI: | 10.1016/j.conbuildmat.2017.11.115 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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