›› 2005, Vol. 26 ›› Issue (11): 1737-1742.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain

ZHANG Yu-guo1,2, XIE Kang-he2, WANG Zhe3, ZHUANG Ying-chun4   

  1. 1.Department of Civil Engineering and Architecture, Zhongyuan University of Technology, Zhengzhou 450007, China; 2. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, China; 3. College of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310020, China; 4. East China Investigation and Design Institute, Hangzhou 310014, China
  • Received:2004-05-08 Online:2005-11-10 Published:2014-01-03

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Abstract: The ground by partially penetrated sand drain is turned into a equivalent-double-layered ground with the general solution of the average degree of consolidation; and the analytical solution of 1-D consolidation for the underlying soft layer is given; and furthermore the average degree of consolidation is obtained. Based on this solution and the present existed solutions, these relevant programs are programmed. The influence of c and soil property parameters on the consolidation process is investigated; and the relevant results are prepared in graph forms; and the applicabilities of all these solutions are evaluated. It is shown that the solution in this paper fulfills the requirements of project. Especially in the case of PTPB, the curves of Uz-Tv are more actual which drawn by this solution in comparison with the others.

Key words: ground by partially penetrated sand drain, equivalent-double-layered ground, the underlying soft layer, average degree of consolidation, analytical solution

CLC Number: 

  • TU 433
  • 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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