Titlebook: Numerical Simulation in Tunnelling; Gernot Beer Book 2003 Springer-Verlag Wien 2003 environment.finite element method.geology.model.modeli

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Material model for soil and applications,or investigations of real-life structures is demonstrated by means of numerical analyses of two Austrian tunnels, focusing on (i) the effect of ground improvement by means of jet grouting and (ii) the safety of tunnels under fire load.

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Heterodoxy

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Tunnelling - the need for technological development and innovation,time of a mine. This experience of excavation under the same or similar conditions explains also why in mining the layout of the excavations and the required support is mainly determined in an empirical way.

要控制

A coupled FE-model for tunneling by means of compressed air,r of special cases, which are of interest in geotechnical engineering. In particular, a two-phase formulation for dewatering of soils under atmospheric conditions and a two-phase formulation for fully saturated conditions, applicable to consolidation problems, are included in the complete model.

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Book 2003Unneling Method and to assist site engineers in the often difficult day to day decisions. In particular it was felt that numerical models need to be improved considerably in order to be able to act as useful tools in predicting soil/rock mass behavior during tunneling. The required improvement not o

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