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Media type:
E-Article
Title:
Slope Stability and Slope Formation in the Flysch Zone of the Vienna Forest (Austria)
Contributor:
Terhorst, Birgit;
Damm, Bodo
Published:
Hindawi Limited, 2009
Published in:
Journal of Geological Research, 2009 (2009), Seite 1-10
Language:
English
DOI:
10.1155/2009/589037
ISSN:
1687-8833;
1687-8841
Origination:
Footnote:
Description:
The Rhenodanubian Flysch of the northern Vienna Forest is composed of various layers of sandstones, marly shales, calcareous marls, and clay shists, which are covered by Quaternary periglacial cover beds and loess deposits. This area at the margin of the eastern Alps represents an undulating landscape of the Austrian low-mountain regions. The Vienna Forest Flysch region is considered to be susceptible to landslides. Both petrography of the bedrock and soil mechanical properties of the Quaternary sediments control the current slope dynamics in the study area. In a temporal context it is evident that the stability of slopes exceeding27∘is controlled by a succession of several steps of slope formation. On the basis of field surveys, laboratory analyses, and slope stability modelling, results from investigations on recent landslides demonstrate five different phases of slope formation. In general, after passing these phases the stability of studied slopes is increased, due to the different soil mechanical properties of the potential sliding masses.