An Investigation of the Reinforcing Effect of Stone Columns in Soft Clay

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by Doug Stewart, Univ of Western Australia, Nedlands,
Martin Fahey, Univ of Western Australia, Nedlands,

Document Type: Proceeding Paper

Part of: Vertical and Horizontal Deformations of Foundations and Embankments:

Abstract: A proposed major extension to an iron ore handling yard was located in an area underlain by soft alluvial clay. Stone columns were proposed to limit settlement of rails supporting the stacking/reclaiming machines. As part of the investigation for the project, a series of centrifuge model tests were undertaken to examine various aspects of the project, and to test some of the design assumptions. The results of these model tests are presented and discussed in the light of current design methods for stone columns.

Subject Headings: Model tests | Stone columns | Soil stabilization | Rocks | Clays | Soft soils | Structural models | Soil settlement |

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