›› 2005, Vol. 26 ›› Issue (S1): 159-162.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical analysis of dynamic compaction and environmental effect caused by the impacting vibration

CAI Yuan-qiang1, WANG Da-li2, XU Chang-jie1, CHEN Chao1   

  1. 1. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, China; 2. Zhejiang Provincial Second Light Industry Corporation, Hangzhou 310009, China
  • Received:2005-01-14 Published:2005-12-15

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Abstract: The geometric nonlinear finite element method is used to analyze the impact mechanism of dynamic compaction. Damping of P wave and S wave are introduced to illuminate the material characters of the soil in the model. The improved artificial boundary conditions are applied to simulate wave propagation at the boundary. Two evaluation criterions (velocity criterion and acceleration criterion) are used to estimate the vibration influence to obtain the safe vibration range. The trench is an effective method of vibration isolation; and various influencing factors of trench are studied to give valuable reference for the engineering practice.

Key words: dynamic consolidation, material damping, artificial boundary, attenuation, vibration isolation

CLC Number: 

  • TU 472
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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