Berechnung, Erkundung und Entwurf von Tunneln und by L. Müller (auth.)

By L. Müller (auth.)

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Read or Download Berechnung, Erkundung und Entwurf von Tunneln und Felsbauwerken / Computation, Exploration and Design of Tunnels and Rock Structures: Vorträge des 27. Geomechanik-Kolloquiums der Österreichischen Gesellschaft für Geomechanik / Contributions to the 27th Ge PDF

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Additional resources for Berechnung, Erkundung und Entwurf von Tunneln und Felsbauwerken / Computation, Exploration and Design of Tunnels and Rock Structures: Vorträge des 27. Geomechanik-Kolloquiums der Österreichischen Gesellschaft für Geomechanik / Contributions to the 27th Ge

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00 44 L. Lielups und P. W. Obenauer: may be possible in one case to derive all necessecary data from experience alone, while in another case it will be necessary to perform very detailed preliminary investigations for the exploration of rock qualities as well as calculations with parametric variations employing far reaching procedures of computation as part of the stability analysis. The problem of optimization involves the selection of an adequate method of calculation for the stress analysis.

3 (1969). : Zur Bemessung der Tunnelauskleidung mit Berucksichtigung des Bauvorganges. Schweiz. Bauzeitung 89/H. 32 (1971). : Grundgedanken und Grundsatze der "Neuen Osterreichischen Tunnelbauweise". Vortrag Karlsruhe 23. 2. : Der Felsbau, Bd. III. Stuttgart: Ferd. Enke Verlag 1978. : Zeitabhangige Spannungsumlagerungen beim Felshohlraumumbau. Bericht Nr. 72-4 aus dem Institut fur Statik der Technischen Universitat Braunschweig, 1972. : Anwendung der Neuen Osterreichischen Tunnelbauweise in nicht standfestem Gebirge, SIA-Studientagung 1975, Zurich, Dokumentation 12, 45-54 (1976).

Darin liegt eine groBe Gefahr dieser Methode, die bei wenig sorgfaltiger Anwendung trotz immer noch erheblichen Aufwandes eine Genauigkeit vortauscht, die eventuell gar nicht gegeben ist. 4 Betrachtungen zur Kontrolle der FEM-Programme und der Ergebnisse von FEM-Programmen Geht man zum ersten Mal an eine Berechnung mit einem fremden Finite-Element-Programm heran, so sollte man sich geniigend Zeit nehmen, urn mit einfachen Beispielen, die exakt nachzurechnen oder deren Ergebnisse aus der Fachliteratur bekannt sind, Erfahrungen zu sammeln.

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