Advantages of the slit wall method

Compared to the comparable well-known procedures for the protection of excavation pits – covering with piling walls and shoring with beam walls – the slit wall has a number of technical advantages:

  1. The construction is quiet. Measurements show that the noise level during the production of the slot walls is lower than that of normal road noise.
  2. When creating slit walls, there are no vibrations of the ground. Settlements with adjacent buildings, ducts and pipelines are excluded.
  3. The diaphragm wall method is not dependent on the ground conditions. It can be used in clayey soils as well as in sandy or pebbly soil. Rock blocks or rocky rocks, which question the success of pile work, can be crushed in the slit with heavy rock bits and lifted with the hook.
  4. In the case of the slit wall method, a continuous disruption of the soil layers is possible. The depth of embedment and the reinforcement of the wall can be quickly adapted to local conditions.
  5. Slot walls can serve all the exterior walls of the building to be constructed and are thus a supporting component. The basement ceilings of the cellar close directly to the wall. If an image against ground water is required, a barrier layer can be applied on the inside. In some cases, the design in reinforced concrete is sufficient.
  6. Slotted walls can be laid down directly next to existing buildings. When they are later exterior walls of the building, the new building can be connected to the fire walls of the neighboring buildings. Even existing foundations, which are higher than the excavation pit, do not need to be particularly stressed.
  7. In the case of the slit wall method, a groundwater lowering is completely excluded, or very deep excavation pits, since the contractor clay of the enclosing wall is watertight. If the wall does not fit into an impermeable layer, it can increase its effectiveness in injecting veil at the foot and completely prevent settlements or reduce it so far that no significant building damage occurs.