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Optimisation of the material safety factor and sensitivity analysis of the key parameters in the structural design of the reinforced recycled aggregate concrete beams

Project description

The future of greener concrete, smarter design

Concrete is one of the world’s most widely used materials and one of the most polluting. It is responsible for nearly 10% of global CO₂ emissions and a major share of construction waste. Recycled aggregate concrete (RAC) is a sustainable option, but little is known about its structural behaviour. With the support of the Marie Skłodowska-Curie Actions programme, the MaDeCyBeam project combines lab tests, numerical modelling, and AI to pinpoint the key factors that influence RAC’s performance. The project’s overall goal is contribute to advancement reliable design guidelines, supporting the efficient use of recycled concrete and the development of more sustainable structures, while helping to reduce the construction industry's carbon footprint.

Objective

The construction industry generates substantial waste and contributes significantly to greenhouse gas emissions. Concrete, as the primary building material, exacerbates these issues, accounting for approximately 9-10% of global CO2 emissions and a substantial portion of construction and demolition waste. To address these challenges, the utilization of recycled aggregate concrete (RAC) has emerged as a promising sustainable alternative.

However, the structural behaviour of RACs remains understudied in terms of the influence of recycled aggregate properties on structural scale behaviour. These is crucial to optimise the use of RACs and, at the same time, mitigate the risk of overly conservative design practices that could undermine sustainability benefits.

This project aims to contribute to the development of robust design guidelines for RAC elements by combining experimental testing, numerical modelling and advanced AI techniques. By identifying critical parameters influencing RAC's performance and developing robust design guidelines, I aim to accelerate the widespread adoption of sustainable concrete solutions. This project will analyse large datasets to predict structural properties including bond, dowel action, and aggregate interlock, optimize mix designs and identify potential failure modes. This research will contribute to the development of more sustainable and resilient structures while reducing the construction industry's carbon footprint.

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Programme(s)

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Topic(s)

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Funding Scheme

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

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Call for proposal

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

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Coordinator

POLITECNICO DI MILANO
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 193 643,28
Address
PIAZZA LEONARDO DA VINCI 32
20133 Milano
Italy

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Region
Nord-Ovest Lombardia Milano
Activity type
Higher or Secondary Education Establishments
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Total cost

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