Abstract In order to investigate the bond stress-slip constitutive relation between BFRP bar and basalt fiber recycled-aggregate concrete, 81 central pullout specimens were tested. Basalt fiber volume percent, fiber length and concrete strength grade were considered to be experimental variables to obtain the bond stress-slip curves. The results showed that adding basalt fiber into recycled-aggregate concrete will reduce the bond stress between BFRP bar and recycled-aggregate concrete but enhance the ductility of bond property; the bond stress increases with the increasing of fiber length and concrete strength grade. The bond stress-slip constitutive model was proposed and the results showed that the model is good in effect of fitting. The constitutive model can reflect the bonding mechanism between BFRP bar and basalt fiber concrete well, it also can provide reference for theoretical analysis and engineering applications of the bond and anchor property between BFRP bars strengthened recycled concrete.


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    Titel :

    Bond-slip constitutive relation between BFRP bar and basalt fiber recycled-aggregate concrete


    Beteiligte:
    Meng, Wen-jing (Autor:in) / Liu, Hua-xin (Autor:in) / Liu, Gen-jin (Autor:in) / Kong, Xiang-qing (Autor:in) / Wang, Xue-zhi (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2015-10-30


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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