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Guyu Feng,Xinyue Wang,Diantang Zhang,Xueliang Xiao,Kun Qian 한국섬유공학회 2020 Fibers and polymers Vol.21 No.7
This paper presents the results of resin coating and sand gluing on the acoustic emission (AE) characteristics in theinterface failure process of concrete reinforced by polypropylene (PP) fibers. Interface property is an important performanceof fibers reinforced concrete, and the pull-out test is the simplest and most effective mean to investigate interface behaviorbetween concrete and fibers. In this study, the realistic bi-linear local bond-slip law and the AE results are employed in thiswork to derive expressions of interface stress distribution and present the detailed analysis. The results of AE test are used toexplain interface stress propagation in the different loading stages. Interface failure energy is also described quantitatively fordifferent interface mode in this work.