›› 2009, Vol. 30 ›› Issue (10): 3043-3047.

• Geotechnical Engineering • Previous Articles     Next Articles

DCM-based on ground loss for response of group piles induced by tunneling

DU Zuo-long1, 2, HUANG Mao-song1, 2, LI Zao1, 2   

  1. 1. Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China
  • Received:2008-09-12 Online:2009-10-10 Published:2009-12-23

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Abstract:

In the analysis of pile response due to tunneling under two different displacement boundary conditions, a displacement controlled method (DCM) based on ground loss is used. The first stage, the transformation of soil displacement field around tunnel is introduced to simulate the process of actual tunneling. Then the second stage, free soil displacement field is loaded to group piles(2×2) to analyze the response(including settlement and force); the results from the presented approach by DCM are compared with ones from other papers; the good agreement is obtained.

Key words: two-stage method, DCM, group piles, finite elements

CLC Number: 

  • TU 473
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