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Slurry wall cutter

Hydromills are used for very deep trenches and, above all, for very hard building ground. Unlike the grab a hydromill works continuously during excavation. With the help of cutting wheels the building ground is broken up and crushed. A pump inside the hydromill creates an upward flushing circuit out of the trench via hose lines. The loosened cuttings can so be conveyed out of the trench with the support fluid that is pumped to the surface. Thus contaminated support fluid is then cleaned in a treatment plant and fed into the trench again.

Slurry wall production using cutting technique

1. Cutting of the second part of a long, three-part primary trench

2. Cutting of the third part

3. Excavation of the short secondary trench between two long primary trenches

Slurry wall cutter package

The package consists of a hydromill trench cutter, a duty cycle carrier machine, a hose drum system and a corresponding separation plant.

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Hydromill

The hydromill consists of the following main components: cutter frame, cutter wheels with hydraulic motors, suction pump and steering flaps.

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Steering flaps

Hydromills are usually fitted with steering flaps on the cutting frame. These serve to align the hydromill inside the trench.

Continuous excavation

The cutting technique enables a continuous excavation. Therefore the hydromill is inserted only once in the suspension-supported trench.

Hydraulic supply

The hydromill can be driven by the on-board hydraulic system of the powerful Liebherr duty cycle crawler crane.

Enormous trench depths

With a hydromill enormous trench depths of up to 100 metres can be achieved.

Cut-off walls

Cut-off walls are frequently installed using the single phase method for sealing off against groundwater. Here you see the core sealing of a dam.

01/07

Animated video

Hydraulically driven hydromills produce slurry walls.

Slurry wall cutter LSC 8-18

Expansion of the rail network in Munich.

Job report

Slurry wall jobsite in Naples

Machines

Results 1-3 of 3

  • Max. lifting capacity - 130 t

  • Engine power - 565 kW

  • Max. winch line pull - 2 x 350 kN

  • Max. main boom - 53.00 m

  • Wall thickness - 800 - 1,800 mm

  • Bite lengths - 2,800 - 3,200 mm

  • Weight version L (large) - 33.0 - 46.0 t

  • Wall thickness - 800 - 2,000 mm

  • Bite lengths - 2,800 - 3,200 mm

  • Weight version L (large) - 38.0 - 45.0 t

Get in touch

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

Brochure
HSG 5-18
LSC 8-18
Video