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Medientyp:
E-Artikel
Titel:
Berechnung der Versagenswahrscheinlichkeit von Böschungen unter Berücksichtigung der Bodenvariabilität
Beteiligte:
Buschendorf, Phil;
Schorr, Joshua;
Pena Olarte, Andres Alfonso
Erschienen:
Wiley, 2022
Erschienen in:Geomechanics and Tunnelling
Sprache:
Deutsch
DOI:
10.1002/geot.202200026
ISSN:
1865-7362;
1865-7389
Entstehung:
Anmerkungen:
Beschreibung:
<jats:title>Abstract</jats:title><jats:p>The soil is a heterogeneous three‐phase system with varying mechanical properties. It is usually abstracted to a subsurface model with homogeneous layers. The basic data for this model are individual probings/boreholes. Assumptions are made to describe the structure of the unsampled areas and the general scatter of the soil properties within the layers is not taken into account. This results in an approximation of the real conditions, which leads to uncertainties. In order to compensate this, the soil variability can be covered by a number of different parameter combinations. In the field of geotechnical engineering, this approach is called the Random Finite Element Method (RFEM).</jats:p><jats:p>In terms of a master thesis, the technical implementation of such method has been investigated. It was used for the stability analysis of a theoretical slope and the results were compared with the Limit Equilibrium Method (LEM) and the Strength Reduction Finite Element Method (SRFEM). The last one was also used to identify the relevant failure criteria for the finite element. By using different meshes of the same slope, their effect on the safety factor was observed.</jats:p>