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    Experimental Study on Axial Pull-Out Behavior of Steel Rebars Glued-In Glubam

    Source: Journal of Materials in Civil Engineering:;2020:;Volume ( 032 ):;issue: 003
    Author:
    Z. W. He
    ,
    Y. Xiao
    DOI: 10.1061/(ASCE)MT.1943-5533.0003080
    Publisher: ASCE
    Abstract: This paper presents an experimental study on glued-in rebar glubam (glued laminated bamboo) joints. The main experimental parameters were anchorage length, glue-line thickness, and the angle between bar and bamboo fibers. The influences of the parameters on pull-out strength, initial stiffness, and the bond behavior of glued-in rebar glubam joints were investigated through pull-out tests. Four typical failure modes are discussed, including pull-out failure of rebar, pull-out of rebar along with splitting of glubam, splitting of glubam block, and yielding of rebar. The critical anchorage length of the specimens with rebar perpendicular to the grain was suggested to be 12 times the diameter of rebar while other specimens should be 16 times, and 4 mm was the most suitable value for the glue-line thickness. The load-slip curve and the average initial stiffness were analyzed based on the bond length, glue-line thickness, and angle between bar and bamboo fibers. The initial elastic portion of the bond stress-slip curve of the glued-in rebar glubam joints can be approximately analyzed by a simple analysis model with assuming linear spring bond links. Finally, a design equation of pull-out strength was proposed based on the testing data.
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      Experimental Study on Axial Pull-Out Behavior of Steel Rebars Glued-In Glubam

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4266194
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    • Journal of Materials in Civil Engineering

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    contributor authorZ. W. He
    contributor authorY. Xiao
    date accessioned2022-01-30T19:54:34Z
    date available2022-01-30T19:54:34Z
    date issued2020
    identifier other%28ASCE%29MT.1943-5533.0003080.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4266194
    description abstractThis paper presents an experimental study on glued-in rebar glubam (glued laminated bamboo) joints. The main experimental parameters were anchorage length, glue-line thickness, and the angle between bar and bamboo fibers. The influences of the parameters on pull-out strength, initial stiffness, and the bond behavior of glued-in rebar glubam joints were investigated through pull-out tests. Four typical failure modes are discussed, including pull-out failure of rebar, pull-out of rebar along with splitting of glubam, splitting of glubam block, and yielding of rebar. The critical anchorage length of the specimens with rebar perpendicular to the grain was suggested to be 12 times the diameter of rebar while other specimens should be 16 times, and 4 mm was the most suitable value for the glue-line thickness. The load-slip curve and the average initial stiffness were analyzed based on the bond length, glue-line thickness, and angle between bar and bamboo fibers. The initial elastic portion of the bond stress-slip curve of the glued-in rebar glubam joints can be approximately analyzed by a simple analysis model with assuming linear spring bond links. Finally, a design equation of pull-out strength was proposed based on the testing data.
    publisherASCE
    titleExperimental Study on Axial Pull-Out Behavior of Steel Rebars Glued-In Glubam
    typeJournal Paper
    journal volume32
    journal issue3
    journal titleJournal of Materials in Civil Engineering
    identifier doi10.1061/(ASCE)MT.1943-5533.0003080
    page04020021
    treeJournal of Materials in Civil Engineering:;2020:;Volume ( 032 ):;issue: 003
    contenttypeFulltext
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