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Publication: Experimental Investigations of Colloidal Silica Grouting in

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Title Experimental Investigations of Colloidal Silica Grouting in
Authors/Editors* T. Bolisetti; S.Reitsma; and R. Balachandar
Where published* ASCE J. OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING
How published* Journal
Year* 2009
Volume 5
Number 1
Pages
Publisher ASCE
Keywords Chemical grouting; Pollution; Environmental issues; Viscosity; Porous media.
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Abstract
This paper presents the results of an experimental investigation performed to understand the processes influencing the injection of colloidal silica grout into porous media. Based on the combined analysis of grout injection pressures and the visually observed grout distribution patterns, three major processes, gelation, shear, and viscous fingering, have been identified to occur during grout injection. The results demonstrate the dynamic interplay between grout viscosity variations and the resulting flow instabilities.
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