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Computers and Concrete
  Volume 18, Number 2, August 2016 , pages 267-278

Damage and fracture processes of concrete using acoustic emission parameters
Fan Xiangqian,Hu Shaowei and Lu Jun

    In order to observe the internal damage of concrete in real time, we introduced acoustic emission nondestructive detecting technology into a series of fracture tests; the test results revealed the whole process that concrete undergoes when it sustains damage that leads to failure, according to the change rules of the acoustic emission parameters. The results showed that both the initiation and unstable loads can be accurately determined using the abrupt change of the acoustic emission rate curves and the turning point of the acoustic emission parameters
Key Words
    concrete; reinforced concrete; damage and fracture process; acoustic emission parameters;experimental study
Fan Xiangqian,Hu Shaowei and Lu Jun: Department of Materials and Structural Engineering, Nanjing Hydraulic Research Institute, 210029, Nanjing, Jiangsu,China

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