Construction of large cross-section double-tier Metropolitan Inter-city Highway (Ken-O-Do) Ome Tunnel by NATM

Ome Tunnel is a double-tier highway tunnel with large cross-section of 220–260 m 2 excavated at a shallow depth in unconsolidated ground. The tunnel was excavated by NATM. Since the tunnel passes under a road in dense residential area, surface settlement due to tunneling was restricted. Therefore, v...

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Bibliographic Details
Published in:Tunnelling and underground space technology 2005-03, Vol.20 (2), p.111-119
Main Authors: Haruyama, Kazuhiko, Teramoto, Satoshi, Taira, Kazuo
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Double-tier tunnel
Exact sciences and technology
Fore-piling
Jet grouting
Long span steel pipe
NATM
Tunnels, galleries
Urban tunnel
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Summary:Ome Tunnel is a double-tier highway tunnel with large cross-section of 220–260 m 2 excavated at a shallow depth in unconsolidated ground. The tunnel was excavated by NATM. Since the tunnel passes under a road in dense residential area, surface settlement due to tunneling was restricted. Therefore, various auxiliary construction method such as long span steel pipe fore-piling with injection was adopted based on monitoring and analyzing ground behavior during construction. A total of 1060 m of tunneling work was successfully completed without major interruption of work excessive damage on surface residents and other facilities.
ISSN:0886-7798
1878-4364
DOI:10.1016/j.tust.2003.08.007