ISSN 2096-4498

   CN 44-1745/U

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Tunnel Construction ›› 2012, Vol. 32 ›› Issue (1): 99-102.DOI: 10.3973/j.issn.1672-741X.2012.01.017

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Control of Installation Accuracy of Steel End Shells in Construction of Immersed Tunnels

LIU Kai1, CHEN Xia2   

  1. (1. China Railway Tunnel Stock Co., Ltd., Zhengzhou 450003, China; 2. School of Civil Engineering, Liaocheng University, Liaocheng 252059, Shandong, China)
  • Received:2010-11-21 Revised:2011-01-13 Online:2012-02-20 Published:2012-03-09

Abstract: The lessons and experience learned in the installation of the steel end shells of ShengwudaoDaxuecheng immersed tunnel in Guangzhou are summarized. It is concluded that the installation of large steel members with the millimeter level accuracy can be realized by means of accurate measurement, correct welding and installation technology and enough monitoring.

Key words: immersed tunnel, steel end shell, accuracy control, GINA gasket, OMEGA gasket