›› 2002, Vol. 23 ›› Issue (5): 559-563.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Centrifuge model test on ground settlement induced by tunneling in sandy soil

Zhou Xiao-wen1, Pu Jia-liu2   

  1. 1. Soil Engineering Department, Yangtze River Scientific Research Institute, Wuhan 430010, China ; 2. Department of Hydraulic Engineering, Tsinghua University, Beijin 100084，China
  • Received:2001-09-17 Online:2002-10-10 Published:2016-09-04

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Abstract: The centrifuge model tests were performed to investigate the ground settlements during tunnel excavation in sandy soil ground. A columnar rubber membrane tube was used to represent a tunnel. Compressed air was supplied to it to create a uniform pressure to support the surrounding soil. During centrifuge running, air pressure was gradually decreased to simulate the initial stress release; i.e., to simulate the excavating process. Through different combinations of test conditions including soil type, density, water content and tunnel embedment depth; the ground failure patterns and settlements were examined; the normalized P-S relationship were obtained and discussed..

Key words: tunnel, centrifuge model test, settlement, supporting pressure

CLC Number: 

  • TU 411.93
  • 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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