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  • Users: wavequest
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  1. wavequest

    testing joints for multi-segment pipe

    I am attempting to design a non-cirlular, multi-segment, carrier pipe (waste-water tunnel). I obviously need to design water tight joints. ASTM 443 does not really apply here, so I may have to essentially write my own. Can anyone suggest info on testing joints of this nature?
  2. wavequest

    Tunnel/soil interaction

    I need a way of modeling the tunnel liner/soil interaction in RISA 2D. I have referenced the Army Corps of Eng. "Tunnels and Shafts in Rock" EM1110-2-2901, May 97, section 9-10 and found several formulas regarding tangential and radial spring stiffness calcs. I think this is the...

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