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  1. www.rand.org › pubs › papersThe Very High Speed Transit System | RAND

    Description of a very high speed transit (VHST) system operating in its own rarefied atmosphere in evacuated tubes in underground tunnels. Most cases considered took less time to go coast-to-coast (e.g., 21 min) than it takes an aircraft to climb to an efficient operating altitude.

    • RAND Corporation

      The Very High Speed Transit System. Author. Robert M. Salter...

  2. www.rand.org › content › damThe Very High Speed Transit System - RAND Corporation

    The Very High Speed Transit System. Author. Robert M. Salter . Subject. Description of a very high speed transit (VHST) system operating in its own rarefied atmosphere in evacuated tubes in underground tunnels.

    • 806KB
    • Robert M. Salter
    • 20
    • 1972

  3. www.ita-aites.orgITA-AITES portal - Home

    Find out all information about tunnelling and underground space: Usage, construction, reasons to build underground as well as some feedback on history, through important cases, a detailed images gallery and related documents.

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  4. www.sciencedirect.com › journal › tunnelling-andTunnelling and Underground Space Technology | Asset ...

    3 juil. 2023 · Read the latest articles of Tunnelling and Underground Space Technology at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature

  5. www.sciencedirect.com › journal › tunnelling-andTunnelling and Underground Space Technology | Journal ...

    Tunnelling and Underground Space Technology incorporating Trenchless Technology Research is an international journal which publishes authoritative articles encompassing original research and case studies on the development of tunnelling technology, the use of underground space, underground …

  6. www.mdpi.com › journal › applsciFuture Trends in Tunnel and Underground Engineering - MDPI

    20 juin 2024 · As three essential issues in tunnel and underground engineering, the stability of surrounding rock, the support-surrounding rock interaction, and the structural dynamic response have attracted widespread attention.

  7. www.sciencedirect.com › journal › tunnelling-andTunnelling and Underground Space Technology | Vol 131 ...

    Read the latest articles of Tunnelling and Underground Space Technology at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature

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