Grouting techniques strengthen soft in situ soils, remediate settlement of structures, cutoff groundwater, underpin structures, densify granular soils, liquefaction mitigation, and construct access shafts to name a few applications.

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Permeatation Grouting

Permeation Grouting is the most common form of soil grouting.  The process consists of drilling a hole into the soil, and placing an injection pipe into the ground and then pumping under low pressure a liquefied material into the remedial area.

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Flowable Fill

Flowable Fill is a low strength self-leveling grout used to fill voids in difficult access areas, and provides a fairly uniform compacted material requiring minimal equipment and manpower to place the fill. This technology uses cementations material as fill instead of compacted soil.

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Pressure Grouting

Pressure Grouting is the process of drilling holes by air or water rotary and maintaining a vertical alignment. A cementious grout material is injected under pressure to fill cavities and voided pockets.

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Chemical Grouting

Chemical Grouting is the process of injecting special grout to fill voids in granular soils. Common reagents utilized include Sodium Silicates and Urethanes. Some of the most common applications are to prevent excessive movement of soil, lower permeability of soil to control water flow and stabilization of soil for tunnel and earth shoring excavation.

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Cellular Concrete

Foam liquid concentrates is fitting for subgrade modification when existing soils are undesirable for construction. As an alternative to over excavating and replacing poor soils with better soil, a layer of cellular lightweight concrete placed over the poor soils will reduce vertical deadloads, and increase bearing capacity and stability with the addition of minimal weight.

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