›› 2006, Vol. 27 ›› Issue (S1): 1093-1096.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Characteristics of train-induced dynamic stresses in ground

WANG Chang-jing1, 2，CHEN Yun-min1   

  1. 1. institute Geotechnical Engineering, of Zhejiang University, Hangzhou 310027, China； 2. City college of Zhejiang University, Hangzhou 310015, China
  • Received:2006-06-25 Published:2006-12-15

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Abstract: In order to analyze characteristics of stresses in ground induced by train, train-induced reaction force between ground surface and embankment was calculated based on Euler-Bernoulli beam on elastic foundation under moving loads. Exerting the reaction force on the ground surface, the corresponding steady-state stresses in ground were obtained by integrating the basic solution of a moving point load on an elastic half-space surface. The results are valid only for train speed lower than Rayleigh wave velocity in ground. The variation of stresses with spatial coordinates and time was presented. Characteristics and distribution rules of stresses were studied. It is found that the dynamic stresses seem to be a kind of particular cyclic load with deviatoric stress. With train speed increasing, the effective range of vertical stresses increases continuously.

Key words: train, dynamic stress, moving load, Euler-Bernoulli beam, half-space

CLC Number: 

  • U 213.1
  • 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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