Electrical property measurements using a modified hydraulic oedometer

W. J. McCarter; J. Blewett; Malcolm Chrisp; G. Starrs

doi:10.1139/t04-107

Electrical property measurements using a modified hydraulic oedometer

W. J. McCarter, J. Blewett, Malcolm Chrisp, G. Starrs

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The work presented focuses on modifying a hydraulic oedometer (Rowe cell) to facilitate monitoring of the electrical conductivity of soil, in conjunction with load-deformation characteristics. Technical issues are addressed and data presented to show the change in the electrical properties of saturated clay, both parallel and normal to the direction of loading, taken through a loading-unloading-reloading cycle. The electrical response can be interpreted in terms of bulk changes in porosity - void ratio and fabric features such as pore tortuosity and particle alignment. The modified cell and testing methodology offer scope for development as a noninvasive, real time monitoring technique to study fabric changes in soil. © 2005 NRC Canada.

Original language	English
Pages (from-to)	655-662
Number of pages	8
Journal	Canadian Geotechnical Journal
Volume	42
Issue number	2
DOIs	https://doi.org/10.1139/t04-107
Publication status	Published - Apr 2005

Keywords

Anisotropy
Clay
Consolidation
Electrical conductivity
Fabric
Porosity

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10.1139/t04-107

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title = "Electrical property measurements using a modified hydraulic oedometer",

abstract = "The work presented focuses on modifying a hydraulic oedometer (Rowe cell) to facilitate monitoring of the electrical conductivity of soil, in conjunction with load-deformation characteristics. Technical issues are addressed and data presented to show the change in the electrical properties of saturated clay, both parallel and normal to the direction of loading, taken through a loading-unloading-reloading cycle. The electrical response can be interpreted in terms of bulk changes in porosity - void ratio and fabric features such as pore tortuosity and particle alignment. The modified cell and testing methodology offer scope for development as a noninvasive, real time monitoring technique to study fabric changes in soil. {\textcopyright} 2005 NRC Canada.",

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AB - The work presented focuses on modifying a hydraulic oedometer (Rowe cell) to facilitate monitoring of the electrical conductivity of soil, in conjunction with load-deformation characteristics. Technical issues are addressed and data presented to show the change in the electrical properties of saturated clay, both parallel and normal to the direction of loading, taken through a loading-unloading-reloading cycle. The electrical response can be interpreted in terms of bulk changes in porosity - void ratio and fabric features such as pore tortuosity and particle alignment. The modified cell and testing methodology offer scope for development as a noninvasive, real time monitoring technique to study fabric changes in soil. © 2005 NRC Canada.

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