›› 2007, Vol. 28 ›› Issue (S1): 715-718.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Three-dimensional elastic dynamic response of close crisscross tunnels subjected to subway loading

BAI Bing, LI Chun-feng   

  1. School of Civil and Architecture Engineering, Beijing Jiaotong University, Beijing 100044, China
  • Received:2007-04-23 Online:2007-10-25 Published:2014-03-28

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Abstract: Three-dimensional elastic dynamic responses surrounding subway tunnels subjected to subway dynamic loading are studied by numerical method. This paper considers the case that two left-right parallel tunnels transform into two up-down parallel tunnels. For this, a method of applying subway dynamic loading is proposed firstly, and then the dynamic response characteristics such as deformation and acceleration values etc. are analyzed. Calculation results show that at the middle position of the arch bottom of the tunnel, the peak displacement in the middle section of the tunnel is smaller than the peak displacement in the end section. However, the acceleration value has small changes. Besides, the peak displacement under the action of two cross subways is greater than the peak displacement under the action of single subway, and the peak acceleration is advanced.

Key words: subway tunnel, numerical calculation, dynamic analysis, acceleration

CLC Number: 

  • TU 435
  • 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.
  • 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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