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TBC Tunnel Analysis problem

  • 1.  TBC Tunnel Analysis problem

    Posted 09-05-2022 19:01
    Hello, I am a TBC user in Korea.
    analyze a tunnel I'm inquiring because I found something strange. (Picture attached)

    As shown in the picture, the part that should not be calculated as an overbreak is calculated as an overbreak.
    Station spacing was created at 0.1m.
    When this phenomenon is discovered, creating and rewriting a new project is often resolved.
    I wonder why this is happening and if there is no other solution.
    Thank you.


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    JinYoung Lee
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  • 2.  RE: TBC Tunnel Analysis problem

    Posted 09-06-2022 20:25
    It a bit hard to determine what is happening just from one screen snap. However in this case I don't see anything usual. If the points are outside the tunnel envelope, as these points seem to be, then they will be shown as overbreak points. If you are having difficultly understanding how TBC Tunnel is representing the data, or if you think there is a problem, I would recommend contacting the Trimble Geospatial Distributor in Korea ( https://geosys.co.kr).

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    James McWha
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    Original Message