Vibration Control of an existing building through the Vibrating Barrier

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Abstract

Vibration control of structures is normally addressed through devices such as isolators, dampers and tuned mass dampers. Although those devices are technically sound their use might become unpractical in existing buildings such as heritage structures, whereas the alteration of part of the structure is forbidden for various socio-economic issues. In this context, a novel passive control device called Vibrating Barrier (ViBa) has been recently proposed. The Vibrating Barrier is a massive structure, hosted in the soil and detached from the existing building, calibrated for absorbing portion of the ground motion input energy. The working principle is based on the generally know structure-soil-structure interaction between two vibrating structures and the soil. In this paper the Vibrating Barrier is designed to control the vibration of an existing masonry structure forced by ground motion acceleration. The structure, the soil and the ViBa are assumed to be linear behaving and modelled through a pertinent Finite Element approach. The design is pursued through a simplified discrete model of the structure and the ViBa in which the soil is represented by linear elastic springs. Significant reduction of the dynamic response has been achieved manifesting the potential of the Vibrating Barrier to be a valid alternative whereas the traditional vibration control techniques cannot be applied.
Original languageEnglish
Title of host publicationX International Conference on Structural Dynamics, EURODYN 2017
Place of PublicationRome
PublisherElsevier Ltd
Pages1598-1603
Number of pages6
Volume199
DOIs
Publication statusPublished - 12 Sep 2017
EventX International Conference on Structural Dynamics, EURODYN 2017 - Faculty of Civil and Industrial Engineering of Sapienza University of Rome Italy, 10-13 September 2017
Duration: 12 Sep 2017 → …

Publication series

NameProcedia Engineering

Conference

ConferenceX International Conference on Structural Dynamics, EURODYN 2017
Period12/09/17 → …

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Under license Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)

Cite this

Cacciola, P., Banjanac, N., & Tombari, A. (2017). Vibration Control of an existing building through the Vibrating Barrier. In X International Conference on Structural Dynamics, EURODYN 2017 (Vol. 199, pp. 1598-1603). (Procedia Engineering). Rome: Elsevier Ltd. https://doi.org/10.1016/j.proeng.2017.09.065