Blogs

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  Useful information

  USEFUL INFO To check the effect of first filling and usual tail grease injection, outer face of segments from thrust frame to the beginning of tunnel (dead segments) may be inspected. First filling grease should be present on the first segment, and tail grease distributed on the remaining ones.

  1532 days ago

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  Tunnelcontact.com List of Tunnel Boring Machine (TBM) Manufacturers in the World

    Alphabetical List of Tunnel Boring Machine Producers. (Main TBM Manufacturers). CRCHI (China) CREG (China) China Railway Engineering Equipment Group Co....

  199 days ago

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  Growth has its own issues. But we are working on it.

    Dear TunnelContact Members, First of all, a big Thank You to each of our members for his/her contributions of our our networking platform for the tunnel &...

  1247 days ago

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  AVN3200 Pipejacking machine tested 10/1-24.

  AVN3200 + additional material to facilitate a 500m drive. Tunnelling Machine AVN3200 SOFT GROUND  # Articulated shield with face support / excavated material transpo...

  9 days ago

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