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In-Situ Soil Mixing Has Many Applications
From Ground and Sludge Stabilization to Hazardous Waste Treatment
Geo-Solutions Soil Mixing Equipment
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In Situ Soil Mixing is a technology that was reintroduced into the U.S in the late 1980's by the principals of Geo-Solutions. It is also referred to as auger mixing, In Situ Stabilization / Solidification, deep mixing method, soil cement columns / piles, SMW, cement soil mixing, rotary mixing, and, simply, soil mixing. Three specific types of In Situ Soil Mixing include Deep Soil Mixing (DSM), Shallow Soil Mixing (SSM), Backhoe Stabilization (BOSS). With In Situ Soil Mixing, a large diameter (typically 3 to 12 ft diameter) auger with mixing paddles and grout ports is drilled into the ground as a fluid grout is pumped through the shaft. The fluid acts as an aid to drilling and is mixed into the drilled soil column, creating a soil-cement mass.
The Uses of In Situ Soil Mixing
In Situ Soil Mixing is used to create structural elements for foundations and retaining walls, soil improvement, and in situ treatments of buried contaminates. It is also used with specialized cementing and chemical reagents for hazardous waste treatment, sludge stabilization / solidification, lagoon stabilization, chemical oxidation, and for constructing underground vertical barriers for groundwater containment.
Why Use Geo-Solutions for Your In Situ Soil Mixing Project
Underground Construction Methods: Soil Mixing
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Geo-Solutions can provide a range of services for In Situ Soil Mixing from treatability studies to design and construction. For some projects, our highly specialized crews can provide all of the construction services needed for In Situ Soil Mixing. For other soil mixing projects, our technical assistance services include supervision, grout plant, and key elements of the specialized drilling and mixing equipment that provide the best combination of technical expertise and economy. With our extensive In Situ Soil Mixing experience and specialty equipment we can often help general contractors or owners do the work themselves.
New Applications of In Situ Soil Mixing
The in situ treatment of contaminated soils and groundwater with reactive media is a new and growing application for In Situ Soil Mixing. Regents such as zero valent iron, certain clays, carbon, oxidants, and reactive media can be economically introduced and mixed to treat chemical hot spots using Deep Soil Mixing and Shallow Soil Mixing. Geo-Solutions has been at the forefront of this type of application. We help formulate workable and practical soil / grout mixtures that can be used for sludge stabilization and the successful treatment of certain other toxic contaminants.
Geo-Solutions’ Experience with In Situ Soil Mixing
The management of Geo-Solutions was a key factor in the growth of this technology in the U.S. market for such applications as sludge stabilization and hazardous waste treatment. President Chris Ryan conceived and sold the first major application at the Jackson Lake Dam project in Wyoming. He also oversaw the construction of the first U.S. manufactured Deep Soil Mixing (DSM) rig and the first application of large diameter single shaft Shallow Soil Mixing (SSM) for the purpose of hazardous waste remediation. Vice Presidents Bob Schindler and Steve Day have been involved in the application of various treatment technologies for sludge stabilization and waste remediation using In Situ Soil Mixing.
We have also been at the leading edge of the In Situ treatment of Manufactured Gas Plant (MGP) wastes using a variation of In Situ Soil Mixing generally known as ISS (in situ stabilization / solidification).
In Situ Soil Mixing Project Examples
Recent soil mixing Geo-Solutions contracts include:
Design mix studies for the treatment of chemical wastes in Colorado
Technical assistance for a 2,500 cy Manufactured Gas Plant, or MGP, remediation in New York
A 10,000 cy turnkey foundation remediation project in Illinois.
Learn More about Deep Soil Mixing, In Situ Stabilization & Other Soil Mixing Techniques
Read and download a Geo-Solutions soil mixing sample spec.
Geo-Solutions has authored a variety of papers on soil mixing, including specific applications for Deep Soil Mixing, ISS for Manufactured Gas Plants, and sludge stabilization. View our library to read and download several In Situ Soil Mixing papers and abstracts.
Learn more and view pictures of our soil mixing rigs and attachments on site.
Call Us Today
For In Situ Soil Mixing help from sludge stabilization to Deep Soil Mixing to ISS for MGP wastes and more, call us at 724-335-7273.
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