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Open Access 01.12.2017 | Technical Paper

On settlement prediction of soft clay reinforced by a group of stone columns

verfasst von: Seifeddine Tabchouche, Mekki Mellas, Mounir Bouassida

Erschienen in: Innovative Infrastructure Solutions | Ausgabe 1/2017

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Abstract

This paper studies the behavior of a foundation on a soil reinforced by a group of end-bearing stone columns in terms of settlement reduction in oedometer condition. The group of stone columns has been reduced to equivalent concentric crowns using a finite-difference FLAC3D modeling. The obtained numerical results were compared to existing analytical and numerical methods for the prediction of the settlement of reinforced soil. It was found that the prediction of the settlement by the 3D numerical modeling of equivalent concentric crowns is less than that obtained by the actual 3D model of group of stone columns. These results have been validated through comparison between numerical, analytical, and in situ measurements collected from full-scale loading tests of stone column from recent case history.

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Titel: On settlement prediction of soft clay reinforced by a group of stone columns
verfasst von: Seifeddine Tabchouche
Mekki Mellas
Mounir Bouassida
Publikationsdatum: 01.12.2017
Verlag: Springer International Publishing
Erschienen in: Innovative Infrastructure Solutions / Ausgabe 1/2017
Print ISSN: 2364-4176
Elektronische ISSN: 2364-4184
DOI: https://doi.org/10.1007/s41062-016-0049-0

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