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RFFD

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Recentering Friction Floor Dissipater for Resilient based Design of Steel Struct...

Recentering Friction Floor Dissipater for Resilient based Design of Steel Structures In regions of moderate and high seismicity such as Europe, steel concentrically braced frames (CBFs) are considered a cost-effective lateral force resisting system to withstand seismic and/or wind loading. Comprehensive building-s... ver más

29/03/2024

EPFL

191K€

Presupuesto del proyecto: 191K€

Líder del proyecto

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2024-03-29

MSCA-IF-2020: Individual Fellowships

I+D

Cerrada hace 4 años

0% 100% 100%

Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

EPFL

191.15K€ | Lider

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Duración del proyecto: 36 meses Fecha Inicio: 2021-03-13
Fecha Fin: 2024-03-29

Líder del proyecto

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 191K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto In regions of moderate and high seismicity such as Europe, steel concentrically braced frames (CBFs) are considered a cost-effective lateral force resisting system to withstand seismic and/or wind loading. Comprehensive building-specific economic loss assessment suggests that the expected annual losses of steel CBF buildings are mainly associated with repairs of acceleration-sensitive building components, which in turn results into building functionality disruption after an earthquake. Higher building vibration mode effects and the complex asymmetric inelastic behaviour of steel braces make it challenging to prevent soft-storey mechanisms that potentially lead to global collapse even in capacity-designed steel CBF buildings. The proposed project aims to address the aforementioned issues by developing an innovative dissipation device, named Recentring Friction Floor Dissipator (RFFD) to control the earthquake-induced vibration and demands in steel CBF buildings through its diaphragm response instead of the lateral load resisting system that is traditionally attempted. This will minimize the variability of the inertia force demands along with the earthquake-induced life-cycle costs. The device realization will be achieved through physics-based computational simulation-based design validated to full-scale testing. Macro-models will be developed to facilitate, for the first time, time-dependent nonlinear building simulations that will be benchmarked to a landmark system-level experiment. A graphics-based design tool will be developed that will combine in a single format economic loss metrics with multiple building performance indicators to aid decision-making for enhanced building service life in seismic regions. After having acquired extended experience in the field of earthquake engineering in New Zealand and Japan, the applicant wants to reintegrate to Europe to consolidate his career in a leading European University.

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