Project description
Resilient seismic response of reinforced concrete structures with shape-memory alloy rebars
Most structures built to withstand earthquakes currently rely on reinforced concrete walls that concentrate damage in a region, typically at the base of those walls. While this can prevent collapses and save lives, it often damages the building to such an extent that it must be torn down after a quake. The EU-funded SMA-RC-Walls aims to test walls with shape-memory alloy (SMA) rebars, which offer the potential to return to their original form after seismic demands, and hence prevent damage and avoid permanent tilting of structures. The researchers will conduct experiments using iron-based SMA reinforcement in the boundary regions of concrete walls as a substitute material for the typical steel rebars. The goal is to contribute to a more robust and resilient building stock internationally, and to provide guidance for seismic design and assessment with this novel technology.
Objective
The current seismic design philosophy of reinforced concrete (RC) walls typically requires large inelastic strains and damage to accumulate in a plastic hinge region, which can result in post-event residual building displacements. Often, the residual displacements will be in such excess that the building is required to be demolished. This costly but expected performance level (i.e. no collapse, life safe) is currently under scrutiny and instead a serviceable structure with limited damage is warranted by the building owners and engineers in the event of a large earthquake. To achieve these targets, engineers will have to implement better structural technologies. Shape memory alloys (SMAs) have the capability to recover displacements upon removal of stress and dissipate energy through hysteretic damping. This project investigates the efficacy of iron-based SMA bars as a substitute material for typical steel in the boundary regions of RC walls to reduce residual displacements and improve the seismic performance. This interdisciplinary research will be carried out at the Universite catholique de Louvain, Belgium, under the supervision of Professor Joao Almeida in the Institute of Mechanics, Materials and Civil Engineering. An extensive experimental program is proposed, which subjects large-scale RC wall specimens detailed with iron-based SMA bars to quasi-static reverse cyclic in-plane loading. The experimental results will be used to validate state-of-the-art finite element models to undertake an extensive parametric study. Recommendations will be provided on limiting the residual displacement of RC wall buildings, which is aligned with the next generation of Eurocode 8 guidelines. The outcomes of this proposed research have the potential to achieve a more robust building stock internationally, increase community resilience, and promote research and technology development for natural disaster impact reduction measures.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences earth and related environmental sciences geology seismology
- humanities philosophy, ethics and religion philosophy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) HORIZON-MSCA-2021-PF-01
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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.
1348 LOUVAIN LA NEUVE
Belgium
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.