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Settlement analysis of column-like elements

Wanatowski, Dariusz; Al-Ani, Wisam; Grizi, Athina

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Authors

Dariusz Wanatowski

Wisam Al-Ani

Athina Grizi



Abstract

In recent years, column-like elements have been recognized as an effective ground improvement method to support superstructures constructed on soft soils. Different types of columns are characterized by different construction techniques, rigidity and materials used to construct these columns. This paper uses a new analytical method derived to assess the performance of column-like elements under applied external loads. The critical length of column-like element is determined to estimate the column length required to resist applied load solely by the floating column. The analytical method is used together with the Finite Element Analysis to investigate the effectiveness of stone columns in reducing the settlement of pad and strip footings using the relative settlement reduction (RSR). Overall, the simplified analytical model yields reasonable results when predicting the settlement improvement of small group footings due to the installation of stone columns.

Citation

Wanatowski, D., Al-Ani, W., & Grizi, A. (2022). Settlement analysis of column-like elements. In Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney 2021

Conference Name 20th International Conference on Soil Mechanics and Geotechnical Engineering
Conference Location Sydney, Australia
Start Date May 1, 2022
End Date May 5, 2022
Acceptance Date Jan 16, 2022
Online Publication Date Jun 30, 2022
Publication Date 2022-05
Deposit Date May 24, 2022
Publicly Available Date Mar 29, 2024
Publisher Australian Geomechanics Society
Book Title Proceedings of the 20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney 2021
ISBN 9780994626141
Keywords ground improvement; stone columns; settlement; soft clay
Public URL https://nottingham-repository.worktribe.com/output/8134768
Related Public URLs https://icsmge2022.org/

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