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Ground Improvement Case-Histories by Cholachat Rujikiatkamjorn, Jian Chu, Buddhima Indraratna

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Chapter 21

Improvement of Soft Soil Formations by Drilled Displacement Columns

M.D. Larisch1; R. Kelly2,3; T. Muttuvel3    1 Adjuct Assistant Prof, Geotechnical Engineering Centre, The University of Queensland, Brisbane, Australia and Principal, ML Engineering, Brisbane, Australia2 Visiting Industry Fellow, Centre for Excellence in Geotechnical Science and Engineering, University of Newcastle and Senior Principal, Coffey Geotechnics NSW3 Senior Geotechnical Engineer, Coffey Geotechnics, NSW

Abstract

Drilled displacement columns (DDCs) are a soil improvement method where a closely spaced array of concrete columns is installed to reduce settlements and increase stability. This ground improvement system often incorporates a load-transfer platform. ...

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