Deep foundation
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Cutter Soil Mixing

For cutter soil mixing rotating drums break up the soil structure. Simultaneously a self-hardening binding agent suspension is added. The binding agents used are mainly cement types or mixtures of cement and bentonite. These are mixed with water to form a suspension. The drums of the mixing tool rotate around the horizontal axis so producing soil mixing elements with a rectangular cross-section.

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LRB 355 with cutter soil mixing equipment

The mixing equipment for cutter soil mixing consists of a rectangular Kelly bar and the cutting head.

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Video cutter soil mixing

The video shows an LRB 255 piling and drilling rig applied for cutter soil mixing.

Machines

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Procedure for cutter soil mixing

1. Positioning at the mixing point

2. Cutting in of the mixing equipment while adding suspension

3. Mixing of the soil with continued injection of suspension down to final depth

4. Withdrawal with continued mixing and injection of suspension

5. Completed soil-mortar panel, if necessary insert reinforcement