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US 5,857,809 AGranted
Method for the sealing of soil formations
OwnerJost-Ulrich Kuglerinventor
Life of this patent
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Abstract
A method for the sealing of soil formations, a mineral sealing layer consisting of cohesive soil and of an aggregate being applied to the soil formation and then being compacted mechanically, the aggregate used being dry, sewage or water sludge with a dry substance content of at least 70% by weight (sludge TS.gtoreq.70) in a quantity 5 to 50% by weight in relation to sludge dry substance and calculated on the dry weight of the soil.
Claims33
A method for the sealing of soil formations, the method comprising:
- applying a mineral sealing layer, said mineral sealing layer comprising a cohesive soil and an aggregate, to a soil formation and then mechanically compacting the mineral sealing layer,
- wherein the aggregate used is dry sewage or water sludge with a dry substance content of at least 70% by weight in a quantity of 5 to 50% by weight in relation to sludge dry substance and calculated on the dry weight of the soil.
The method as claimed in one of the preceding claims, wherein the dry sludge is used in ground form with a grain size of below 0.6 mm.
Dependencies are inferred from the claim text.