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Brian Freilich, Ph.D., PE
Soil Mixing ground improvement solutions have become a cost-effective and popular alternative to traditional geotechnical solutions for both temporary and permanent structures. The mixing process blends cementitious binders with problematic soils, from soft (organic) cohesive soils to liquefiable granular soils, to create an improved soilcrete zone of various geometries and depths. Mixing energy is applied to the in-situ soils by mechanically agitating and disaggregating the soils while blending with a designed grout slurry or powder. The result is a cemented soil material that can be designed for a target compressive and/or shear strength, permeability, stiffness, and/or overall global stability. This presentation will provide an outline of the Soil Mixing methods, applications, and design concepts to assist Keller in evaluating when Soil Mixing methods are appropriate and cost effective for a range of geotechnical and structural issues.
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