›› 2002, Vol. 23 ›› Issue (6): 770-774.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical simulation of dynamic response of overlap tunnels in close proximity due to train’s vibrating load

CHEN Wei-jun, ZHANG Pu   

  1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China
  • Received:2001-11-07 Online:2002-12-10 Published:2016-09-04

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Abstract: Based on track vibrating acceleration data measured from tunnels of Shanghai Metro Project, the numerical simulations by using 3D and 2D FEM are carried out in order to understand the dynamic response of overlap tunnels in close proximity to Nanpu Bridge Project due to the train’s vibrating load. The follwing conclusions are given: 1.mutual influences between the overlap tunnels are much greater than the parallel ones; 2. the longer the distance between the tunnels, the less the mutual influences; 3. for the tunnel structure design, the static soil pressure is the key load, and the additional stress induced by the train’s vibrating load is much smaller than the stress induced by the static load.

Key words: overlap tunnels, vibrating load, numerical simulation, dynamic response

CLC Number: 

  • U 459.1
  • 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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