Research Article
Sep 1981
Seikan Undersea Tunnel
Publication: Journal of the Construction Division
Volume 107, Issue 3
Abstract
The 5.5m diameter Seikan Tunnel in Japan will extend 54 kilometers, crossing under the Tsugaru Straits. When completed the −2 billion tunnel will be the longest in the world, and will carry both standard-gauge rail traffic as well as the 260 km/hr Shinkansen passenger express trains. To construct this tunnel, however, it has been necessary to go through extremely difficult geologic conditions, including about a dozen major faults, volcanic strata, and areas with water bearing formations transmitting up to the full 250-meter hydrostatic head from the sea above. The main construction procedures are outlined, including excavation of a pilot bore and service bore as well as the main tunnel. Long horizontal exploratory drilling has been employed, and excavation itself is preceded by extensive chemical grouting.
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Published In
Journal of the Construction Division
Volume 107 • Issue 3 • September 1981
Pages: 509 - 525
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Sep 1981
Published online: Feb 11, 2021
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Authors
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Boyd C. Paulson Jr., M.ASCE
Assoc. Prof. of Civ. Engrg., Stanford Univ., Stanford, Calif. 94303
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.