Summary
The response of circumferential ribs used to support a long circular tunnel in elastic ground is investigated. A rib-ground interaction solution is described for biaxial field stresses. A simplified procedure is also developed for predicting thrust and moment in rib supports.
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Moore, I.D. Analysis of rib supports for circular tunnels in elastic ground. Rock Mech Rock Engng 27, 155–172 (1994). https://doi.org/10.1007/BF01020308
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DOI: https://doi.org/10.1007/BF01020308