Remediation
Buchen prepares the required remediation concept for the customer on the basis
of the inspection results. The CHERNE process used for the sealing of damaged
areas is characterized by its high efficiency and economy. It is based on the
employment of three components:
- Video unit for localization of critical points and positioning of
the testing and sealing packer
- Pneumatic testing and sealing system for testing with water pressure
- Polyurethane based sealant material for immediate sealing
by the pressing into place of environmentally friendly PU gel
Advantages of the Cherne process
The PU gel forms a stable sealant body, independent of the surrounding earth,
directly at the point of damage. Thus, the quantity pressed can be restricted
to a minimum. The permanent elasticity of the material and the natural moisture
of the soil guarantee the stability of the seal.
PU gel is environmentally friendly and non-toxic in contact with water,
so it can also be used in water protection zones.
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