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Geodetic Survey for Long Undersea Tunnel Construction

  • Noriaki Suda
Conference paper
Part of the International Association of Geodesy Symposia book series (IAG SYMPOSIA, volume 108)

Abstract

Japan consists of four large islands and other small islands. Hokkaido is the second largest island. The planning of an undersea tunnel connecting the main island of Honshu to Hokkaido was started by Japan National Railways in 1939 and a geological investigation was started in 1946. The western route of the strait was determined from the results of these investigations in 1964 and in the same year the Japanese Railway Construction Agency started to drive the undersea pilot tunnel from both sides of the strait. Excavation of the main tunnel was started in 1971 and completed in 1985, and the tunnel has been used by the railway since March 1988. The tunnel extends for about 54 km and the undersea part is about 23 km long.

Keywords

Control Point Centre Line Large Island Geodetic Survey Geographical Survey Institute 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Japan Railway Construction Agency and Aero Asahi Co. (1987) Complete report of Seikan tunnel survey.Google Scholar
  2. Matsuo S. (1988) Study about survey system for long undersea tunnel.Google Scholar
  3. Suda N. (1973) Laser measurement for 54 km long Seikan tunnel in Japan. Course Laser in surveying and construction. Royal Institute Technology, Stockholm.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Noriaki Suda
    • 1
  1. 1.Japanese Association of SurveyorsTokyoJapan

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