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2013 (Vol. 6, Issue: 09)
Article Information:

The Dynamic Performance of Concrete under Impact Loading

Wei Shi, Guoping Jiang, Zheng Chunhang and Wu Rujun
Corresponding Author:  Guoping Jiang 

Key words:  Concrete, lagrangian analysis, state equation, shock wave, , ,
Vol. 6 , (09): 1635-1638
Submitted Accepted Published
December 26, 2012 February 01, 2013 July 15, 2013
Abstract:

The process of concrete under symmetric impact was experimentally investigated in the case of primary gas gun and was analyzed with Lagrange method. The value-time relations of u, v, e on every lagrange position are gained. The relationship of strain-stress is also obtained. The whole process is numerical simulated by LSDYNA970. It indicate that the damage effect of concrete under impact loading can be described by the function with plasticity strain at constant volume, equivalence plasticity strain and pressure. The manganin pressure gauge is used to measure the pressure-time curves of the samples. The parameters of high-pressure equation are obtained by the numerical simulation. Numerical simulation is a necessary complement to the test. The spall phenomenon is observed by the numerical simulation.
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  Cite this Reference:
Wei Shi, Guoping Jiang, Zheng Chunhang and Wu Rujun, 2013. The Dynamic Performance of Concrete under Impact Loading.  Research Journal of Applied Sciences, Engineering and Technology, 6(09): 1635-1638.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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