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    Experimental Study on the Quasi-Static Cyclic and Dynamic Performance of Two-Story Platform Cross-Laminated Timber Mock-Ups

    Source: Journal of Performance of Constructed Facilities:;2024:;Volume ( 038 ):;issue: 006::page 04024045-1
    Author:
    Samira Mohammdadyzadeh
    ,
    Houman Ganjali
    ,
    Jianhui Zhou
    ,
    Thomas Tannert
    DOI: 10.1061/JPCFEV.CFENG-4852
    Publisher: American Society of Civil Engineers
    Abstract: Cross-laminated timber (CLT) is a mass timber product that has been used increasingly as a sustainable and cost-effective alternative to conventional construction materials such as concrete and steel. Understanding the seismic performance of CLT buildings is vital in the design process for engineers as the use of CLT has increased toward mid- and high-rise buildings. In this study, the experimental dynamic behavior of three full-scale two-story platform CLT shear wall mock-ups were investigated under quasi-static reversed cyclic and interval impact hammer modal tests. The mock-ups differed in the tension splice between the two stories, the level of dead load, and the installation of an acoustic insulation layer between stories. The impact hammer modal tests were conducted during different steps of the reversed cyclic tests to extract modal characteristics such as natural frequencies, damping ratios, and mode shapes in the defined drifts of frequent, medium, and rare seismic hazard levels. The mock-up’s experimental first period was in good agreement with the results predicted by the empirical equation in the National Building Code of Canada (NBCC). The stiffness degradation during the reversed cyclic tests was related to frequency reductions representing an index of damage. The presence of an acoustic layer increased the damping ratio and stiffness in the first three measured modes. However, further investigations are needed to see the extent of the effect of acoustic layers between the walls and floors on the lateral performance of timber buildings equipped with CLT shear walls and floors.
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      Experimental Study on the Quasi-Static Cyclic and Dynamic Performance of Two-Story Platform Cross-Laminated Timber Mock-Ups

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4304581
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    contributor authorSamira Mohammdadyzadeh
    contributor authorHouman Ganjali
    contributor authorJianhui Zhou
    contributor authorThomas Tannert
    date accessioned2025-04-20T10:22:14Z
    date available2025-04-20T10:22:14Z
    date copyright9/2/2024 12:00:00 AM
    date issued2024
    identifier otherJPCFEV.CFENG-4852.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304581
    description abstractCross-laminated timber (CLT) is a mass timber product that has been used increasingly as a sustainable and cost-effective alternative to conventional construction materials such as concrete and steel. Understanding the seismic performance of CLT buildings is vital in the design process for engineers as the use of CLT has increased toward mid- and high-rise buildings. In this study, the experimental dynamic behavior of three full-scale two-story platform CLT shear wall mock-ups were investigated under quasi-static reversed cyclic and interval impact hammer modal tests. The mock-ups differed in the tension splice between the two stories, the level of dead load, and the installation of an acoustic insulation layer between stories. The impact hammer modal tests were conducted during different steps of the reversed cyclic tests to extract modal characteristics such as natural frequencies, damping ratios, and mode shapes in the defined drifts of frequent, medium, and rare seismic hazard levels. The mock-up’s experimental first period was in good agreement with the results predicted by the empirical equation in the National Building Code of Canada (NBCC). The stiffness degradation during the reversed cyclic tests was related to frequency reductions representing an index of damage. The presence of an acoustic layer increased the damping ratio and stiffness in the first three measured modes. However, further investigations are needed to see the extent of the effect of acoustic layers between the walls and floors on the lateral performance of timber buildings equipped with CLT shear walls and floors.
    publisherAmerican Society of Civil Engineers
    titleExperimental Study on the Quasi-Static Cyclic and Dynamic Performance of Two-Story Platform Cross-Laminated Timber Mock-Ups
    typeJournal Article
    journal volume38
    journal issue6
    journal titleJournal of Performance of Constructed Facilities
    identifier doi10.1061/JPCFEV.CFENG-4852
    journal fristpage04024045-1
    journal lastpage04024045-10
    page10
    treeJournal of Performance of Constructed Facilities:;2024:;Volume ( 038 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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