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    Mechanical Properties of Dowel Laminated Timber Beams with Connectors Made of Salvaged Wooden Materials

    Source: Journal of Architectural Engineering:;2021:;Volume ( 027 ):;issue: 004::page 04021035-1
    Author:
    Mohammad Derikvand
    ,
    Serveh Hosseinzadeh
    ,
    Gerhard Fink
    DOI: 10.1061/(ASCE)AE.1943-5568.0000513
    Publisher: ASCE
    Abstract: The endeavor toward eco-friendly building materials has led to the development of dowel laminated timber (DLT), a product in which sawn timber boards are laminated using hardwood dowels. DLT reduces the need for metallic fasteners and synthetic adhesives, however, its application as a beam element is challenged by the relatively low bending stiffness resulting from the low composite action. In this research, we evaluated the effectiveness of replacing hardwood dowels with connectors made from salvaged engineered wood products to improve the bending stiffness and further enhance the environmental benefits of DLT beams. 60 push-out shear tests were performed on three-layer connections laminated using dowels and tenons from salvaged plywood, salvaged laminated veneer lumber, and solid Oak as a reference. From selected connectors, three-layer beams were then fabricated and tested under a four-point bending load. The results indicated that beams laminated using salvaged plywood tenons have significantly lower end slips. The composite effect was more than two times higher compared to the conventional Oak dowels, resulting in about 40% higher bending stiffness. Thus, the use of salvaged plywood tenons could be an alternative option to improve the bending stiffness and sustainability of DLT beams.
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      Mechanical Properties of Dowel Laminated Timber Beams with Connectors Made of Salvaged Wooden Materials

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4271960
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    • Journal of Architectural Engineering

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    contributor authorMohammad Derikvand
    contributor authorServeh Hosseinzadeh
    contributor authorGerhard Fink
    date accessioned2022-02-01T21:45:02Z
    date available2022-02-01T21:45:02Z
    date issued12/1/2021
    identifier other%28ASCE%29AE.1943-5568.0000513.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4271960
    description abstractThe endeavor toward eco-friendly building materials has led to the development of dowel laminated timber (DLT), a product in which sawn timber boards are laminated using hardwood dowels. DLT reduces the need for metallic fasteners and synthetic adhesives, however, its application as a beam element is challenged by the relatively low bending stiffness resulting from the low composite action. In this research, we evaluated the effectiveness of replacing hardwood dowels with connectors made from salvaged engineered wood products to improve the bending stiffness and further enhance the environmental benefits of DLT beams. 60 push-out shear tests were performed on three-layer connections laminated using dowels and tenons from salvaged plywood, salvaged laminated veneer lumber, and solid Oak as a reference. From selected connectors, three-layer beams were then fabricated and tested under a four-point bending load. The results indicated that beams laminated using salvaged plywood tenons have significantly lower end slips. The composite effect was more than two times higher compared to the conventional Oak dowels, resulting in about 40% higher bending stiffness. Thus, the use of salvaged plywood tenons could be an alternative option to improve the bending stiffness and sustainability of DLT beams.
    publisherASCE
    titleMechanical Properties of Dowel Laminated Timber Beams with Connectors Made of Salvaged Wooden Materials
    typeJournal Paper
    journal volume27
    journal issue4
    journal titleJournal of Architectural Engineering
    identifier doi10.1061/(ASCE)AE.1943-5568.0000513
    journal fristpage04021035-1
    journal lastpage04021035-9
    page9
    treeJournal of Architectural Engineering:;2021:;Volume ( 027 ):;issue: 004
    contenttypeFulltext
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