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Wet Deep Soil Mixing method
This technique involves of a special mixing tool called Auger mix paddles, which is inserted into the soil on site. This mixing tool consist of a drilling rod, transverse beams and a drill end with a head. The drilling does not cause any vibrations, and is assisted by cement slurry outflow from nozzles located at the end of the soil auger. This technique makes separate soilcrete columns, rows of overlapping columns, all of which have a specific design strength and stiffness. Wet soil mixing is appropriate to any soil types which includes even organic soil. With this method, the treatment of soil is possible to depths up to 100 feet.
Dry Deep Soil Mixing method
Dry soil mixing is a ground enhancement technique that mechanically mixes the soil with dry cementitious binder to create soilcrete so as to improve the fragile soils such as soft, elevated moisture clays, peats. A high speed drill moves into the ground with a drill rod which has outward mixing paddles near the bottom to construct the columns. Mass dry soil mixing is conducted with a horizontal axis rotary mixing tool located on the end of a track hoe arm. The binder is injected to the soil mixing tool through a feed pipe, which is attached to the track hoe arm. With dry soil mixing, the treatment for the soil is possible to depths up to 60 feet.
Typical Applications of Deep Soil Mixing:
- Embankments on soft soils
- Support of strip, pad and slab foundations
- Bridge and wind turbine foundations
- Excavation protection walls using reinforced columns
- Slope stabilization
- Mitigation of liquefaction potential
- Cut-off walls and barriers
- Environmental stabilization and solidification
Deep Soil Mixing is also appropriate for:
• Repairs to coastal sheet pile walls
• Seabed stabilisation
• Life extension to existing retaining walls.
• Coastal erosion – long shore drift
Sigma Plantfinder Ltd have available for sale a vast assortment of Used crawler drilling rigs, piling machines, used machines for anchors, geothermal and exploration drill rigs, boring rigs, CFA continuous flight auger, diaphragm wall equipment, piling and drilling equipment, jet grouting, micropiles and mini piling drill rigs.
Get in touch to find out more about this equipment and discuss your needs about Deep Soil Mixing and developments in soil mixing techniques, mass mixing, column mixing, Soil Stabilisation and ground remediation.
DEEP SOIL MIXING BENEFITS
Deep Soil mixing is more environmentally friendly economical, flexible, and adaptable than most other ground improvement methods.
Environmentally or Eco Friendly, by using the existing soil as aggregates, natural resources are spared.
Economical, Transport of raw materials and the amount of drilling spoil is minimal, also emissions can be reduced overall.
Flexibility in design and application. Soil mixed columns can be arranged in block, wall, or cell patterns as needed, on land or offshore and large diameter soil columns can be constructed. Also, the construction process for the installation of the soil mix column is not affected by the weather.
Reduced vibration, Deep soil mixing induces very low vibrations, which reduces the potential impact to nearby utilities.
Sigma Plantfinder Ltd. offer a range of piling machines, piling rigs and piling equipment to ensure cost-effective solutions for most ground conditions, to the depth required and correct pile sizes.
