July 30, 2023 Thesis Open Access

BELACHEW NUGUSA

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  <identifier identifierType="DOI">10.20372/nadre:14217</identifier>
  <creators>
    <creator>
      <creatorName>BELACHEW NUGUSA</creatorName>
    </creator>
  </creators>
  <titles>
    <title>ANALYSIS FOR CONTROL OF VIBRATION AGAINST  SEISMIC FORCE ON MULTISTORIED FRAMED  STRUCTURE BY PROVIDING DIFFERENT PATTERN OF  OBSTRUCTED PARTITION WALL IN TUNED LIQUID  DAMPER</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2023</publicationYear>
  <dates>
    <date dateType="Issued">2023-07-30</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Thesis</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://nadre.ethernet.edu.et/record/14217</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.20372/nadre:14216</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://nadre.ethernet.edu.et/communities/20-25</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/odc-by">Open Data Commons Attribution License</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Major Advisor: Dr. Badrinarayan Rath&lt;/p&gt;

&lt;p&gt;This research&amp;#39;s main objective is to figure out how to use tuned liquid dampers (TLDs) within water tanks with partition walls that are obstructed and arranged in different configurations to reduce seismic damage to building structures. The main purpose of these structures is to protect multistory buildings from seismic activity. One kind of structural passive control is the Tuned Liquid Damper (TLD). However, because of the nature of the TLD, only one tuning frequency may be generated when the water is sloshing. This problem can be solved by including some installed obstructed partition walls into TLDs called varied patterns of obstructed partition wall TLDs (OPWTLDs), which enable the establishment of a tunable frequency range by varying the angle of the obstructed partition wall. This made it possible for the passive control system to be pre-tuned to the necessary frequency. The present study examines the effects on the behavior of OPWTLD of three types of tuned liquid dampers installed in rectangular containers: TLD1, TLD2, and TLD3. The tuned liquid dampers with partition walls in rectangular grid shape (TLD2), diamond-shaped (TLD3), and without a partition wall (TLD1) The numerical validation of these variations is based on experimental data. The structure&amp;#39;s response decrease was used to gauge how successful OPWTLD was. According to the study, each OPWTLD has an optimal water depth that matches its minimal response amplitude. Attaching OPWTLDs of various shapes has allowed for the greatest vibration control under resonance conditions. Tank TLDs with an obstructed partition wall was have a low ratio of the liquid depth (h) and the tank&amp;#39;s maximum base diameter (a) in the direction that the sloshing waves propagate. Because the motion of the liquid within the horizontal tube counteracts the motion of the structure and provides energy dissipation, the efficiency of the TLD with an obstructed partition wall is directly proportional to the mass in the tube rather than the overall mass of the liquid. Key Words: Tuned Liquid Damper, Obstructed Partition Wall, Sloshing Force, Excited Frequency, Finite Element Method&lt;/p&gt;</description>
  </descriptions>
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