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Soil Mixing

For wet soil mixing the mixing tools rotate around the vertical axis of the mixing shaft. The tools break up the soil matrix and mix the suspension with the soil. The binding agents used are usually cement types mixed to a suspension by adding water.

Procedure for 1-fold soil mixing

1. Positioning of mixing tool

2. Drilling down the mixing tool while injecting suspension

3. Mixing of the soil down to final depth

4. Extraction of the mixing tool and further thorough mixing while injecting suspension

5. Completed soil mixing column

Procedure for 3-fold soil mixing

1. Positioning at the mixing point

2. Drilling down the mixing tool while injecting suspension

3. After reaching the final depth, further thorough mixing and start of extraction

4. Extraction of the mixing tool and further thorough mixing while injecting suspension

5. Completed soil mixing element

01/02

Wet mixing with single mixing tool

For wet soil mixing the individual soil-mix elements are often executed in specific grid patterns, such as for stabilisation columns under shallow foundations in road construction.

Mixing drives as modular system

The mixing drives for uncased wet mixing can be modularly combined with each other. Very frequently multiple mixing tools are used. Thus, panel shaped reinforced ground structures are produced.

Mixing tool for uncased wet mixing

The mixing tool consists of a hollow drilling linkage fitted with blades, knives or paddles at its lower end.

Introducing the suspension in the ground

The binding agent suspension is pressed into the soil through nozzles situated in the lower area of the mixing tool.

Producing a homogeneous soil mix column

The soil is further mixed during extraction of the mixing tool and further binding agent is injected.

Installation of a cut-off wall for redevelopment of an embankment

An LRB 125 in wet mixing application with triple mixing equipment and longitudinal mounting.

Cut-off wall as foundation pit enclosure

LRB 125 with double mixing equipment in longitudinal mounting for cut-off wall installation.

01/07

Video wet soil mixing

The video shows the production of soil mixing elements using the wet soil mixing process.

Soil Mixing with an LRB 16

27,500 m² of soil was improvement for a residential area with 200 units.

Open job report

Machines

Results 1–6 of 15

  • Operating weight - 52.8 t

  • Max. torque - 200 kNm

  • Kelly drilling, max. drilling depth - 34.5 m

  • Kelly drilling, max. drilling diameter - 1,500 mm

  • Operating weight - 69.3 - 79.9 t

  • Max. torque - 252 kNm

  • Kelly drilling, max. drilling depth - 53.2 m

  • Kelly drilling, max. drilling diameter - 3,300 mm

  • Operating weight - 71.1 - 82.1 t

  • Max. torque - 252 kNm

  • Kelly drilling, max. drilling depth - 53.2 m

  • Kelly drilling, max. drilling diameter - 3,300 mm

  • Operating weight - 73.6 - 84.6 t

  • Max. torque - 297 kNm

  • Kelly drilling, max. drilling depth - 70.8 m

  • Kelly drilling, max. drilling diameter - 3,400 mm

  • Operating weight - 75.5 - 85.5 t

  • Max. torque - 297 kNm

  • Kelly drilling, max. drilling depth - 70.8 m

  • Kelly drilling, max. drilling diameter - 3,400 mm

  • Operating weight - 99.0 - 111.1 t

  • Max. torque - 347 kNm

  • Kelly drilling, max. drilling depth - 77.5 m

  • Kelly drilling, max. drilling diameter - 4,100 mm

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If you have any further questions, please contact our local sales or service team.

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Mixing drives
LRB series