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Ground Treatment

Drill Tech Drilling and Shoring Inc. builds earth retention systems for various applications. 

Drill Tech Drilling & Shoring, Inc. designs and builds ground treatment for numerous applications

including cement grouting, compaction grouting, and cutter soil mixing (CSM)

Cement Grouting
Compaction Grouting
Cutter Soil Mixing (CSM)

Cement Grouting

Cement grouting improves ground strength and stabilizes loose soil.

Cement grouting, also known as “permeation grouting,”

is the pressurized injection of flowable cement-based grout into the ground to improve strength, reduce permeability, and stabilize loose soil. Cement grouting is performed by drilling holes into the area to be grouted to intercept cracks, voids, joints, fractures, and fissures. A grout mix made up of neat cement, water, and special additives is pumped under pressure through the drilled holes in order to permeate the surrounding ground.

Cement Grouting Applications:

Stabilization of loose gravel and shot rock drill tech favicon

Grouting of tunnel lining voids drill tech favicon

Fractured rock treatment for dam foundationsdrill tech favicon

Sealing and cut-off groutingdrill tech favicon

Compaction Grouting

Compaction grouting stabilizes weak soil.

Compaction grouting is used to stabilize weak soil strata by displacing the soil in-situ, resulting in a denser, improved ground condition.

During compaction grouting, a very stiff grout is pumped through a driven or drilled casing in stages as the casing is removed, forming grout bulbs, which displace and densify the surrounding soils.

Compaction Grouting Applications

drill tech faviconStabilize existing foundation soils

drill tech faviconSettlement control

drill tech faviconStructural re-leveling

drill tech faviconSinkhole remediation

 

Cutter Soil Mixing

Drill Tech is continually at the forefront of the geotechnical construction industry, utilizing innovative new technologies for earth retention and ground treatment. Over the past 15 years, Drill Tech has expended a tremendous amount of time and effort to further develop the use of the cutter soil mix method for earth retention and ground treatment needs.

For earth retention applications, cutter soil mixing (CSM) is a method of constructing an impermeable retaining system by mixing native soils with cement and/or bentonite grout.

A continuous wall is formed by overlapping a series of rectangular soil mix panels. The panels are typically reinforced with steel beams for structural purposes. CSM is mainly used for stabilizing soft or loose soils. However, the cutter technology extends the applicability of the method to much harder strata when compared to other methods of soil mixing.

For non-earth retention applications, CSM is used to improve the characteristics of the in-situ soil, resulting in higher compressive strengths and lower permeability.

CSM is used as a ground improvement method to create homogeneous foundation support and increased bearing capacity, and to mitigate liquefiable soils. CSM can also be used as a barrier to contain the migration of underground contaminants.

cutter soil mixing advantages

drill tech faviconHigh productivity

drill tech faviconNative soils are used as the construction material

drill tech faviconCan be used in very dense soils and weathered bedrock

drill tech faviconMinimal generation of spoils

drill tech faviconNo vibrations and little noise during construction

cutter soil mixing applications

drill tech faviconCut-off walls

drill tech faviconExcavation shoring in saturated and loose soil conditions

drill tech faviconShaft construction

drill tech faviconFoundation support

drill tech faviconLiquefaction mitigation

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