Slurry Walls

Slurry Walls – Over 40 Years of Experience

Geo-Solutions has constructed more than 1,000 slurry wall projects over the past 38 years. Geo-Solutions has pioneered the use of alternative materials such as attapulgite clay, special cements and silicates for cutoff walls where site leachate conditions and incompatibility prohibited the effective use of bentonite. These techniques have been further modified in constructing cement-attapulgite, soil-attapulgite and cement-bentonite silicate cutoff walls. Geo-Solutions pioneered the innovative vertical barrier applications such as self-hardening, high strength and ultra-low permeability slurries.

Learn More about Slurry CutOff Walls

  • Geo-Solutions has authored and participated in numerous papers on slurry walls.
  • Learn more from case studies on slurry walls in our section on Case Studies.
  • Learn more and view pictures of our slurry wall equipment in our section on Equipment.

Slurry Walls Applications

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Soil-Bentonite Slurry Walls

Soil-Bentonite (SB) slurry walls are the most common type of slurry wall. These walls were sporadically used in the United States between the 1940’s and 1970’s after which their use became commonplace. Thousands of these walls have been constructed in a number of purposes.

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Cement-Bentonite Slurry Walls

Cement-Bentonite (CB) slurry walls represent a smaller and more specialized portion of the slurry walls installed in the US. Alternatively, in Europe and other international locales, CB slurry walls are the more common barrier wall choice.

slurry walls soil-cement-bentonite

Soil-Cement-Bentonite Slurry Walls

Soil-Cement-Bentonite (SCB) Slurry walls are a variation on the more common Soil-Bentonite slurry wall. In this method, the soils excavated from the trench are generally blended with bentonite and cement to provide additional strength to the final backfill.

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Slag-Cement-Cement-Bentonite Slurry Walls

Conventional open cut slurry wall methods not possible? Learn more about how Geo-Solutions can help with Slag-Cement-Cement-Bentonite applications.

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Combination-Composite Systems

Generally, composite slurry walls are made by adding another material, such as a plastic sheet, into a soil bentonite or cement bentonite slurry wall to improve the overall properties of the barrier.

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    Slurry Wall Videos

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    Slurry Wall Equipment

    Geo-Solutions is able to furnish the following necessary specialty equipment for our slurry wall services.

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    Sample Specifications of Slurry Walls

    The following are sample specifications for Slurry Walls. This is a unique resource for use by owners and engineers that find themselves faced with problems on their sites

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    Technical Papers Regarding Slurry Walls

    There are many publications written by Geo-Solutions’ Staff and other industry leaders, which focus on detailed technical aspects of Slurry Walls.

    Case Study: Installation of a Soil-Cement-Bentonite Groundwater Cutoff Wall in Argentia, NL
    In-Situ Soil-Cement Mixtures
    In-Situ Soil-Cement Mixtures: Definitions, Properties, and Design Considerations
    Key Properties of Solidified Fly Ash
    Assessment of Key Properties of Solidified Fly Ash With and Without Sodium Sulfate
    3D Slope Stability
    Selecting Minimum Factors of Safety for 3D Slope Stability Analyses
    Subsurface Investigations
    Why Strong Subsurface Investigations are so Important
    Soil-Bentonite Slurry Trench Cutoff Wall
    Soil-Bentonite Slurry Trench Cutoff Wall Lateral Deformations, Consolidation, Stress Transfer and Hydraulic Conductivity
    Self-Hardening Slurries
    Lessons Learned: Self-Hardening Slurries in Slurry Trenching
    Construction and Monitoring of an Instrumented Soil-Bentonite Cutoff Wall
    Temporary Earth Retention
    Underwood Creek West Diversion Structure
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    Cement-Bentonite Slurry Walls for Seismic Containment of the Kingston Coal Ash Landfill
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    Soil Mixing for Soft Ground Improvement at a Landfill
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    Soil Mix Shear Keys at Dam Toe in Peat
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