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Displacement-Based Seismic Design and Assessment of Friction-Dissipating Light-Timber Frames Coupled with a Self-Centering CLT Wall.

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Title: Displacement-Based Seismic Design and Assessment of Friction-Dissipating Light-Timber Frames Coupled with a Self-Centering CLT Wall.
Authors: Skandalos, Konstantinos1 (AUTHOR) kostas.skandalos@gmail.com, Sextos, Anastasios2 (AUTHOR) a.sextos@bristol.ac.uk, Tesfamariam, Solomon3 (AUTHOR) solomon.tesfamariam@uwaterloo.ca
Source: Journal of Performance of Constructed Facilities. Oct2024, Vol. 38 Issue 5, p1-14. 14p.
Subjects: Earthquake resistant design, Hysteresis loop, Energy dissipation, Friction, Timber
Abstract: A dual structural system for low-to-medium-rise buildings is examined, comprising light-timber frames (LTF) coupled with a cross-laminated timber (CLT) wall. To enhance the energy-dissipating capacity of LTF featuring pinching behavior, friction sheathing-to-frame connections have been proposed in place of conventional nail connectors. The resulting friction LTFs (FLTF) exhibit sustainably rich hysteresis loops that significantly enhance energy dissipation capacity. Nevertheless, the friction-dissipating mechanism leads to nonuniform story drift distributions and residual drifts in multistory FLTF buildings. To address this issue, a CLT wall with self-centering hold-down connections is coupled to the multistory FLTF building for imposing uniform story drifts and for reducing residual drifts. A direct displacement-based design (DDBD) approach is employed to design the dual CLT-FLTF system and ensure (i.e., impose) uniform seismic demand across the height of the building. Nonlinear-time-history analysis (NTHA) and incremental dynamic analysis (IDA) show that the DDBD approach can lead to safe designs and effectively control the displacements of the proposed dual system. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Performance of Constructed Facilities is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 179021652
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Displacement-Based Seismic Design and Assessment of Friction-Dissipating Light-Timber Frames Coupled with a Self-Centering CLT Wall.
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  Data: <searchLink fieldCode="AR" term="%22Skandalos%2C+Konstantinos%22">Skandalos, Konstantinos</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kostas.skandalos@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Sextos%2C+Anastasios%22">Sextos, Anastasios</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> a.sextos@bristol.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Tesfamariam%2C+Solomon%22">Tesfamariam, Solomon</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> solomon.tesfamariam@uwaterloo.ca</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Performance+of+Constructed+Facilities%22">Journal of Performance of Constructed Facilities</searchLink>. Oct2024, Vol. 38 Issue 5, p1-14. 14p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Earthquake+resistant+design%22">Earthquake resistant design</searchLink><br /><searchLink fieldCode="DE" term="%22Hysteresis+loop%22">Hysteresis loop</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Friction%22">Friction</searchLink><br /><searchLink fieldCode="DE" term="%22Timber%22">Timber</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A dual structural system for low-to-medium-rise buildings is examined, comprising light-timber frames (LTF) coupled with a cross-laminated timber (CLT) wall. To enhance the energy-dissipating capacity of LTF featuring pinching behavior, friction sheathing-to-frame connections have been proposed in place of conventional nail connectors. The resulting friction LTFs (FLTF) exhibit sustainably rich hysteresis loops that significantly enhance energy dissipation capacity. Nevertheless, the friction-dissipating mechanism leads to nonuniform story drift distributions and residual drifts in multistory FLTF buildings. To address this issue, a CLT wall with self-centering hold-down connections is coupled to the multistory FLTF building for imposing uniform story drifts and for reducing residual drifts. A direct displacement-based design (DDBD) approach is employed to design the dual CLT-FLTF system and ensure (i.e., impose) uniform seismic demand across the height of the building. Nonlinear-time-history analysis (NTHA) and incremental dynamic analysis (IDA) show that the DDBD approach can lead to safe designs and effectively control the displacements of the proposed dual system. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Performance of Constructed Facilities is the property of American Society of Civil Engineers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1061/JPCFEV.CFENG-4525
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 14
        StartPage: 1
    Subjects:
      – SubjectFull: Earthquake resistant design
        Type: general
      – SubjectFull: Hysteresis loop
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Friction
        Type: general
      – SubjectFull: Timber
        Type: general
    Titles:
      – TitleFull: Displacement-Based Seismic Design and Assessment of Friction-Dissipating Light-Timber Frames Coupled with a Self-Centering CLT Wall.
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          Name:
            NameFull: Skandalos, Konstantinos
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          Name:
            NameFull: Sextos, Anastasios
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          Name:
            NameFull: Tesfamariam, Solomon
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          Dates:
            – D: 01
              M: 10
              Text: Oct2024
              Type: published
              Y: 2024
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              Value: 08873828
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              Value: 38
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              Value: 5
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            – TitleFull: Journal of Performance of Constructed Facilities
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