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Digital twin-based approach to improve resilience of slab tracks in a warming climate

Project description

Building heat-resistant railways

As the Earth warms, railway slab tracks (which are vital to train networks worldwide) are in danger. Derailments may result from the distortion of these concrete slabs caused by extreme heat waves. Even worse, up to 60 million tonnes of carbon emissions could be produced in order to ensure their safety in a warming world. Nevertheless, there are not many resources available to direct climate-conscious maintenance. Supported by the Marie Skłodowska-Curie Actions programme, the TwinsTrack project will develop digital twin models, adaptive maintenance plans, and optimisation tools. The aim is to increase sustainability and safety. The project’s outcomes could result in a 30 % reduction in emissions, providing engineers with the information they need to prepare railroads for future heat waves.

Objective

We are in a warming climate. Predictions indicate that the world is on track for a warming of 1.5 ℃ in the most optimistic situation. This is very bad news for railway slab tracks utilized all around the world, since the intensified extreme heat waves in a warming climate can induce severe slab track failure and cause lethal outcomes like train derailments. Furthermore, the rise in life-cycle carbon emissions due to increased track maintenance workload and material consumption worldwide in a warming climate is estimated to be around 60 million tonnes, which can be used to manufacture about 120 million cars.

However, we are not fully prepared to this challenge because of a lack of useful tools to predict track performance and arrange maintenance activities in a warming climate. Thus, this TwinsTrack project aims to contribute to a better understanding of slab tracks' mechanical behavior in a warming climate and practical maintenance strategies to improve their climate adaptability.

In this project, the applicant will (i) develop integrated digital twin models of slab tracks for performance prediction in a warming climate; (ii) design various climate-adaptive maintenance measures for slab tracks; (iii) develop a multi-objective optimization approach to select optimal types and design details of maintenance measures to not only maximize the safety of slab tracks, but also ensure their best environmental and economic performance.

The outcomes of this TwinsTrack project will not only prepare engineers for the climate crisis but also inform policymakers of the urgent need for action. This will not only reduce the risk of structural-failure-induced accidents but also decrease carbon emissions and maintenance costs of slab tracks by an estimated 20% to 30% in a warming climate.

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Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

POLITECNICO DI MILANO
Net EU contribution
€ 209 483,28
Address
PIAZZA LEONARDO DA VINCI 32
20133 Milano
Italy
Region
Nord-Ovest Lombardia Milano
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Partners (1)