Inelastic Response Of 3-D Underground Structures In Rock Under
Seismic Loading
Author(s)
G.D. Hatzigeorgiou, D.E. Beskos
Abstract
Inelastic response of 3-D underground structures
in rock under seismic loading
G.D. Hatzigeorgiou & D.E. Beskos
Department of Civil Engineering,
University of Pair as, Greece
Abstract
This paper describes the development of a numerical approach to compute the
inelastic response of three-dimensional underground structures (mainly tunnels)
to seismic loading. The solution is obtained using the finite element method for
the surrounding rock medium and the boundary element method for the shell
liner, both in the time domain. It is assumed that there is no interaction between
the rock medium and the concrete liner. This enables one to analyze the two
different bodies separately and determine the response of the liner by imposing
on it the displacements of the rock cavity computed under the influence of the
seismic waves. Both the rock medium and the concrete liner are assumed to
behave inelastically on the basis of the continuum damage mechanics theory.
The seismic waves are assumed to hav
Keywords
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