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A platform for research: civil engineering, architecture and urbanism
Rheological properties of Na-smectite gels used for rock sealing
Abstract The use of Na-smectite clay gels for sealing rock fractures is studied in phase 3 of the Strips project. The rheological properties of these gels and the mathematical formulations necessary to simulate the behaviour are presented in this article, including the breakdown of the structure at small strains as well as the flow behaviour of the vibrated and unvibrated gel. An important conclusion is that the flow properties of an unvibrated gel do not follow Newton's classical viscosity law, while the shear resistance of the gel affected by vibrations is strongly reduced and the flow behaviour is Newtonian.
Rheological properties of Na-smectite gels used for rock sealing
Abstract The use of Na-smectite clay gels for sealing rock fractures is studied in phase 3 of the Strips project. The rheological properties of these gels and the mathematical formulations necessary to simulate the behaviour are presented in this article, including the breakdown of the structure at small strains as well as the flow behaviour of the vibrated and unvibrated gel. An important conclusion is that the flow properties of an unvibrated gel do not follow Newton's classical viscosity law, while the shear resistance of the gel affected by vibrations is strongly reduced and the flow behaviour is Newtonian.
Rheological properties of Na-smectite gels used for rock sealing
Börgesson, Lennart (author) / Fredrikson, Anders (author)
Engineering Geology ; 28 ; 431-441
1989-02-14
11 pages
Article (Journal)
Electronic Resource
English
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