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SIIA Público
SISTEMA INTEGRAL DE INFORMACIÓN ACADÉMICA - PÚBLICO
Título del libro: Geotechnical Engineering In The Xxi Century: Lessons Learned And Future Challenges Título del capítulo: Criteria to Perform Ground-Segmented Tunnels Lining Interaction Analysis, Using an Hybrid Method
A criterion proposed by Instituto de Ingenieria, UNAM (II-UNAM) to
perform ground-lining interaction analyses for tunnels, when these are
formed by segmented rings and double lining, is described. The criterion
can be introduced in the ``hybrid'' analysis method, which is an
iterative procedure between geotechnical and structural numerical
modeling, where the convergence in terms of diametrical displacements
between both types of modeling allows determining the effective
stiffness of the tunnel [1]. The criterion allows calculating loads
and mechanical elements for the tunnel lining and checking
serviceability limits corresponding to constructive or operative
aspects. It is useful in the design stages, for revisions of tunnels
that are under construction or for existing tunnels affected by new
engineering works. In this paper, it is applied to check the
interference of a new deep foundation with an existing tunnel.