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Paper ecce-1997-382:
Reliabilily of tunnel liners

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Fraile A, Del Rey I, Retana M P, Gomez M S, Alarcon E

Reliabilily of tunnel liners

Abstract: The possibility of application of structural reliability theory to the computation of the safety margins of excavated tunnels is presented. After a brief description of the existing procedures the limitations of the safety coefficients such as they are usually defined, the proposed limit states are precised as well as the random variables and the applied methodology. Also presented are simple examples, some of them based in actual cases, and to end, some conclusions are established the most important one being the probability of using the method to solve the inverse problem of identification



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