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Title: Numerical Study of Floating Stone Columns
Keywords: floating stone columns, numerical study, settlement improvement factor, consolidation, foundations, soft soils
Issue Date: 15-Jul-2013
Citation: NG KOK SHIEN (2013-07-15). Numerical Study of Floating Stone Columns. ScholarBank@NUS Repository.
Abstract: Stone column is one type of ground improvement method applied to reduce the settlement and increase the stability of supported structures. End bearing columns are most commonly used in the design but occasionally floating columns are adopted due to various constraints. The behaviors of the floating columns have not been well studied compared to end bearing columns. Therefore, this thesis focused on the issues of floating stone columns and was aimed at providing some practical insights to the design of floating stone columns. A 2D and 3D finite element program was used to carry out the numerical studies. The performances of the improved ground for wide area loading as well as small column groups were investigated. Parametric studies were performed to examine the influence of key parameters to the performance of floating stone columns. Based on the extensive numerical results, new design methods were developed that showed good agreements with finite element results and limited field observations.
Appears in Collections:Ph.D Theses (Open)

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