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  4. Stabilization Columns for Embankment Support - Investigation, Verification and Further Development of Analytical Analyses
 
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Stabilization Columns for Embankment Support - Investigation, Verification and Further Development of Analytical Analyses

Citation Link: https://doi.org/10.15480/882.2417
Publikationstyp
Conference Paper
Date Issued
2015-09-09
Sprache
English
Author(s)
Pankrath, Holger  
Kaya, Hatice  
Thiele, Ralf  
Institut
Geotechnik und Baubetrieb B-5  
TORE-DOI
10.15480/882.2417
TORE-URI
http://hdl.handle.net/11420/3463
Journal
IOP conference series  
Volume
26
Start Page
1
End Page
12
Article Number
012010
Citation
International Symposium on Geohazards and Geomechanics (ISGG 2015)
Contribution to Conference
International Symposium on Geohazards and Geomechanics (ISGG 2015)  
Publisher DOI
10.1088/1755-1315/26/1/012010
Scopus ID
2-s2.0-84946593305
Publisher
Institute of Physics Publishing (IOP)
As a technical and economical alternative to foundations on piles, but also to shallow foundations on improved soil, in recent decades a high number of soil improvement methods have been developed and established. Many of these methods use non-reinforced, cylindrical load bearing elements. A very common application of stabilizing columns is the improvement of a few meters thick soft soils below dams and embankments. But especially for this application, many failure cases are documented worldwide. In the contribution the substantial content and results are presented for investigation, testing and further development of methods for evaluating the slope stability. After a description of the problem and consequential tasks the contribution contains main results of the investigations of international sources with the stepwise development of analytical solutions. Next to the in practice well- known approaches for gravel columns, less common approaches from Scandinavia are explained. The contribution is completed with a presentation and discussion of an illustrative example, taking into account a number of different failure modes of the columns and the surrounding soil. The example was compared and validated with a 3D Model using the Finite Element Method.
DDC Class
500: Naturwissenschaften
Lizenz
https://creativecommons.org/licenses/by/3.0/de/
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