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  • Paper : Enlargement Shield Tunneling Method

Paper : Enlargement Shield Tunneling Method

  • Introduction
  • Brochure(PDF)
  • Paper
  • Video
No. Title Issue Date Format
1 MITSUI Enlargement Shield Tunnelling Method (pdf) 1985 Black & White/5pages
2 Enlargement Of Pre-Driven Shield Tunnel Section by A New Method (pdf) June 1986 Black & White/10pages
3 Underground shield tunnel enlargement work (pdf) April 1991 Black & White/7pages
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