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<p>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.</p>

<h3>LRB 355 with cutter soil mixing equipment</h3>

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

<h3>Cutting head with four cutting wheels</h3>

<p>The hydraulically driven drums which are fitted with cutting teeth loosen and mix the soil.</p>

<h3>Mixing the soil</h3>

<p>Counter-rotating drums provide uniform mixing and a homogeneous mixing result.</p>

<h3>Inserting the cutting head</h3>

<p>As the cutting head penetrates the ground a binding agent suspension is introduced through an injection pipe and mixed with the soil.</p>

<h3>Extracting the cutting head</h3>

<p>During extraction the binding agent is further added in doses. Thereby the soil mortar is mixed rotationally a second time.</p>

<h3>Insertion of a reinforcement</h3>

<p>If required, the freshly produced soil mixing panels can be fitted with reinforcement structures.</p>

<h2>Video cutter soil mixing</h2>

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

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<h2>Get in touch</h2>

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<h2>Procedure for cutter soil mixing</h2>

<p>1. Positioning at the mixing point</p><p>2. Cutting in of the mixing equipment while adding suspension</p><p>3. Mixing of the soil with continued injection of suspension down to final depth</p><p>4. Withdrawal with continued mixing and injection of suspension</p><p>5. Completed soil-mortar panel, if necessary insert reinforcement</p>

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<h1>Cutter Soil Mixing</h1>

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Cutter soil mixing combines technologies of soil mixing and slurry wall production.

Cutter soil mixing | Liebherr deep foundation

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