Objective
Earthquake-induced liquefaction is a major cause of infrastructure failure, leading to service disruptions, costly repairs, and loss of life. As urban development expands into liquefaction-prone regions, understanding soil–structure interaction (SSI) during liquefaction is critical. Traditionally, SSI studies have focused on isolated structures, yet modern cities feature high-density developments both above and below ground, with tunnels and basements interwoven with buildings and transport networks. Although liquefaction affects aboveground and underground structures in fundamentally different ways, the multi-structure-soil interaction (MSSI) in combined above- and underground structure systems (AUSS) remains poorly understood, both numerically and experimentally.
To bridge the gap, the 3D-SIMULIQ project will establish an integrated framework to understand, model, and predict liquefaction impacts on coupled structure systems. Systematic element-level tests will first be conducted at ETHZ Soil Testing Laboratories to quantify cyclic soil and interface response (WP1). The state-of-the-art beam centrifuge at the ETHZ Geotechnical Centrifuge Centre will then be employed to conduct physical model tests at the system level, with increasing complexity from SSI to MSSI. The experimental results will support the development of a novel numerical framework that reduces computational cost without compromising accuracy, making advanced liquefaction modelling more accessible for researchers and practitioners (WP3). The validated framework will then be applied in extensive parametric simulations to extend experimental findings and produce robust, practical design guidelines (WP4). With strong dissemination, exploitation, communication, and project management plans (WP5-6), 3D-SIMULIQ will advance fundamental understanding of liquefaction hazards and contribute directly to the resilience and safety of urban environments in earthquake-prone regions of the EU and beyond.
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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-2025-PF
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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.
8092 Zuerich
Switzerland
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.