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《Sichuan Building Science》 2013-01
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Vibration energy attenuation model in granular structure

JIANG Hongying1,LU Jinbu1,MU Qingsong2(1.College of Engineering,Xijing University of Technology,Xi'an 710123,China; 2.College of Civil Engineer and Mechanics,Lanzhou University,Lanzhou 730000,China)  
In this paper,based on the experimenter of the gravel layer under the level of vibration load,study on dynamic response in the gravel pile,micro-analysis the dissipation of energy variation along the depth of granular structure.Analysis of the rapid dissipation of energy along the depth,and two reason of scattering and shear resistance are proposed.It use of stochastic theory to deduces the probability model of the particle dynamic response.Which above provides a basis for research of granular material structure of the energy dissipation in-depth study.
【Fund】: 国家自然科学基金(11072095);; 陕西省科技计划(工业攻关)项目(2010K07-28)
【CateGory Index】: TU441
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