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  • Users: BayofMines
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  1. BayofMines

    Duncan Fama Model and Tunneling in Weak Ground

    Read a report about tunneling in weak ground which models the tunnel failure by use of the Duncan Fama model. This basically states that failure occurs when internal support pressure (Pc) < Critical Support Pressure (Pcr). That makes sense. The part I am having trouble with is the calculation...

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