Funded by the National Natural Science Foundation of China(No.51009058);Postdoctoral Science Foundation of China(No.2011M501160);the University Natural Science Research Project of Jiangsu Province(No.13KJD560002);the Doctoral Research Start-up Fund of Jinling Institute of Technology(No.Jit-b-201321)
The fiber reinforced concrete has good dynamic mechanical properties. But corresponding research lacks the dynamic damage characteristics of the polypropylene fiber(fiber of low elastic modulus) and steel fiber(fib...
Funded by National Natural Science Foundation of China(No.51009058);Postdoctoral Science Foundation of China(No.2011M501160)
The performances of the cement-based materials can be improved by the incorporation of polypropylene fiber, but the damage processes become more complex with different fiber contents at the same time. The acoustic emi...
Funded by the National Natural Science Foundation of China(No.51009058);the Postdoctoral Science Foundation of China(No.2011M501160)
In order to study the size effect on the AE rate ’a’ value,three kinds of mix ratios were set up by different particle sizes and water cement ratios,45 cement mortar specimens with five different heights were tested...