Improved soft clay characteristics due to stone column installation

A method is proposed for evaluating the improvement of the Young modulus of soft clay in which a vibrocompacted stone column is installed. By considering a composite cell model a numerical analysis is carried out using Plaxis software to simulate the vibrocompaction technique, which leads to a form...

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Veröffentlicht in:Computers and geotechnics Jg. 34; H. 2; S. 104 - 111
Hauptverfasser: Guetif, Z., Bouassida, M., Debats, J.M.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.03.2007
Schlagworte:
Composite cell
Consolidation
Improvement
Numerical simulation
Soft clay
Stone column
Vibrocompaction
Young modulus
Young modulus
Improvement
Consolidation
Soft clay
Vibrocompaction
Composite cell
Stone column
Numerical simulation
ISSN:0266-352X, 1873-7633
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Beschreibung
Zusammenfassung:A method is proposed for evaluating the improvement of the Young modulus of soft clay in which a vibrocompacted stone column is installed. By considering a composite cell model a numerical analysis is carried out using Plaxis software to simulate the vibrocompaction technique, which leads to a form of primary consolidation of the soft clay. For the numerical simulation Mohr Coulomb perfect plastic behaviour is considered for the improved soil constituents. From numerical results the degree of improvement of the Young modulus soft clay has been estimated. Also, the zone of influence of the improved soft clay has been predicted.
Bibliographie:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0266-352X
1873-7633
DOI:10.1016/j.compgeo.2006.09.008