›› 2002, Vol. 23 ›› Issue (6): 733-736.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Control of station box displacement due to reconstruction of Tianjin Metro system

ZHENG Gang1 ,JANG Xin-liang1, HOU Shu-min2 , LIU Hong2 ,CUI Yi2 , JI Ying-bo1 , BO Peng1   

  1. 1. Department of Civil Engineering, Tianjin University , Tianjin 300072, China; 2. Tianjin Metro Construction Corp, Tianjin 300040, China
  • Received:2001-10-25 Online:2002-12-10 Published:2016-09-04

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Abstract: The excavation and pit support are the problems that must be solved during reconstruction and extension of the subway stations of existing line built in 1974,which was part of line No.1 of Tianjin Metro system. Because of soft ground, pre-grouting is needed to reduce the displacement and settlement of the station box due to deep excavation and back filling, and also to control ground water ingress. These stations are right under the main streets and the heavy traffic in the streets makes the work very difficult. The possible construction operations to control station box and ground displacement and minimizing the effect due to reconstruction on the traffic are researched; some suggestions are given .

Key words: subway station, reconstruction, excavation support, displacement, settlement

CLC Number: 

  • V 231+.2
  • 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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