Proceedings of the 10th International Conference on Fracture Mechanics of Concrete and Concrete Structures 2019
DOI: 10.21012/fc10.233410
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Influence of softening rock mass behavior in 3D simulations of deep tunneling

Abstract: The present contribution is concerned with finite element modeling of NATM tunneling with special emphasis on adequately modeling the highly nonlinear mechanical behavior of rock mass up to failure. Based on a numerical study of deep tunneling, derived from a stretch of the Brenner Base Tunnel, the mechanical behavior predicted by the novel gradient-enhanced rock damage-plasticity model will be assessed in large-scale, three-dimensional finite element simulations and compared with the one on the basis of a com… Show more

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