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Abstract
Constitutive models based on the multilaminate framework account naturally for stress induced anisotropy but inherent anisotropy needs additional considerations. A feature recently introduced, is the capability of the model to take into account anisotropic elasticity in the small strain range. Response envelopes are presented to demonstrate this effect. The implications of taking into account anisotropy of strength and small strain stiffness for the analysis of deep excavation problems employing a multilaminate framework is addressed in this paper by solving a relatively simple benchmark problem where the infl uence of different assumptions with respect to anisotropy is evaluated. It follows from these studies that, if displacements and thus strains remain at moderate levels (which is often the case for these types of problems in order to avoid damage to adjacent structures) the infl uence of shear strength anisotropy is less pronounced as compared to problems where relatively large strains occur. Although the general effect of considering small strain stiffness is apparent, anisotropy of small strain stiffness is of less importance.
Originalsprache | englisch |
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Titel | Computer Methods for Geomechanics |
Untertitel | Frontiers and New Applications |
Erscheinungsort | Sydney |
Herausgeber (Verlag) | Centre for Infrastructure Engineering and Safety |
Seiten | 262-267 |
Seitenumfang | 6 |
Band | 1 |
ISBN (Print) | 978-0-9808244-1-4 |
Publikationsstatus | Veröffentlicht - 2011 |
Veranstaltung | 13th International Association for Computer Methods and Advances in Geomechanics: IACMAG 2011 - Melbourne, Australien Dauer: 9 Mai 2011 → 11 Mai 2011 |
Konferenz
Konferenz | 13th International Association for Computer Methods and Advances in Geomechanics |
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Land/Gebiet | Australien |
Ort | Melbourne |
Zeitraum | 9/05/11 → 11/05/11 |
ASJC Scopus subject areas
- Theoretische Informatik und Mathematik
- Geochemie und Petrologie
Fields of Expertise
- Sonstiges
Treatment code (Nähere Zuordnung)
- Theoretical
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FWF - MMOC - Ein Multilaminate Modell für überkonsolidierte Böden
Schädlich, B. & Schweiger, H.
1/02/09 → 31/01/12
Projekt: Forschungsprojekt