Methods for Enlarging Transportation Tunnels while Keeping Tunnels Fully Operational
Publication: Practice Periodical on Structural Design and Construction
Volume 15, Issue 4
Abstract
This paper reviews worldwide state-of-the-art methods for enlarging transportation tunnels while maintaining current traffic capacity during construction. Both hard rock and soft ground applications are presented and accompanied by relevant case histories.
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Acknowledgments
The writer is indebted to Toru Yamamoto (Sato Kogyo, Japan), Toshiaki Ishimura (Public Works Research Institute, Japan), and Rocksoil (Italy), who provided him with the figures used for this paper.
References
Breidenstein, M. (2007). “New tunneling method to modernise rail routes while still operational.” Tunnels Tunnel. Int., 2/2007, 21–30.
Lunardi, P., and Calcerano, G. (2001). “A new construction method for widening highway and railway tunnels.” ITA-AITES 2001 World Tunnel Congress on Progress in Tunnelling after 2000, Patron, Bologna, Italy.
Mashimo, H., and Ishimura, T. (2003). “Technological development of section enlargement for existing tunnels.” Tunnels and Underground, 34(9), 729–736.
Mashimo, H., Ishimura, T., Isago, N., and Morimoto, S. (2005). “Behavior of support structure of existing tunnels during enlargement of cross section.” ITA-AITES 2005 World Tunnel Congress, Balkema, Rotterdam.
Yamamoto, T., Imaoka, H., and Lim, C. N. (2003). “Enlargement of live line tunnel method by blasting-Shikishimanai tunnel on National Highway No. 229.” Tunnels and Underground, 34(5), 373–382.
Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 15 • Issue 4 • November 2010
Pages: 248 - 271
Copyright
© 2010 ASCE.
History
Received: Dec 31, 2008
Accepted: Jun 9, 2009
Published online: Jun 10, 2009
Published in print: Nov 2010
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