Experimental Investigation on Flexural Vibration Control of Large-scale Reinforced Concrete Metaplates

Jewoo Choi, Tongjun Cho, Sang Geun Bae, Hyo Seon Park

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this study, the vibration control performance of a large-scale reinforced concrete (RC) metaplate is experimentally validated and investigated. The local resonance frequency of plate-type LRM unit is numerically estimated. 4, 200 x 3, 000 x 210 mm RC metaplate, embedded with 165 LRM units measuring 200 x 200 x 85 mm each, is excited to heavy-weight impact to measure its acceleration responses. The experimental results showed that the generation of a local resonance bandgap in metaplate, leading to vibration control within the bandgap frequency range. The acceleration response of the metaplate is attenuated by up to 85.39 % at the local resonance frequency (42.51 Hz) compared to an RC plate without LRMs. The amplitude of modal peak within the bandgap frequency range is attenuated by up to 71.22 %. Based on the two indicators used to analyzed vibration control performance, The influence of both the local resonance and modal characteristics of the metaplate on its bandgap behavior is analyzed.

Original languageEnglish
Title of host publicationStructural Health Monitoring 2023
Subtitle of host publicationDesigning SHM for Sustainability, Maintainability, and Reliability - Proceedings of the 14th International Workshop on Structural Health Monitoring
EditorsSaman Farhangdoust, Alfredo Guemes, Fu-Kuo Chang
PublisherDEStech Publications
Pages2315-2321
Number of pages7
ISBN (Electronic)9781605956930
Publication statusPublished - 2023
Event14th International Workshop on Structural Health Monitoring: Designing SHM for Sustainability, Maintainability, and Reliability, IWSHM 2023 - Stanford, United States
Duration: 2023 Sept 122023 Sept 14

Publication series

NameStructural Health Monitoring 2023: Designing SHM for Sustainability, Maintainability, and Reliability - Proceedings of the 14th International Workshop on Structural Health Monitoring

Conference

Conference14th International Workshop on Structural Health Monitoring: Designing SHM for Sustainability, Maintainability, and Reliability, IWSHM 2023
Country/TerritoryUnited States
CityStanford
Period23/9/1223/9/14

Bibliographical note

Publisher Copyright:
© 2023 by DEStech Publi cations, Inc. All rights reserved

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality
  • Building and Construction

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