Soil mix - CSM wall

In accordance with the requirements of standard  prEN 14679: “Deep Mixing”

1. In advance excavation of a guide trench approximately 0.5 m deep to accommodate the mix of soil and cementitious binder. Positioning of the cutter soil cutting-mixing head

2. Drilling to a depth of approximately 1 m and controlling the verticality

3. Fracturing of soil during driving of the cutting tool and simultaneous injection of a mix of water and a cement-based binder.

4. After reaching the design depth and during the extraction of the cutting-mixing head, blending and homogenization of the soil with the injected cement grout / slurry. Depending on the nature of the soil, the panel will be mixed once again.

5. Insertion of the reinforcement (steel profiles) in the fresh soil-cement mixture.

6. By repeating the procedure, the formation of the CSM wall progresses by intersecting the previously made panel.

Possibility of real-time electronic monitoring of the construction parameters ensuring optimum quality control.

• Suitable as an earth retaining wall and cut-off wall solutions (phases 1 to 6), or as a soil improvement technique (phases 1 to 5 of the installation process).

• The placement of reinforcement beams such as steel profiles, inserted to withstand the shear and bending stresses acting on the retaining wall, ensures the load-bearing function of the wall and optimizes its stability.

• Alternative solution to the ‘Berlin’ retaining wall or the pile wall

• Favourable in sandy soils with limited fine grain distribution fraction (less suitable application in silty and clayey soils)

• Discharge of the soil-cement slurry, no removal of soil, very little spoil is generated

• Vibration-free

• No noise pollution

• The slurry handling plant for mixing and pumping requires an working area of at least 100.