Thanks for the information on LP testing. However, perhaps I could clarify my situation. I am designing for a precast, multi segment, concrete arch basically... sort of a series of adjacent underground keystone bridges. The particular joints I need to test occur in-between the stones of a...
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?
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...