A WATER AND/OR OIL-IMPERMEABLE SEALING MAT CONSISTING SUBSTANTIALLY OF A SUBSTRATE LAYER, A LAYER OF SWELLABLE CLAY AND A COVER LAYER

A WATER AND/OR OIL-IMPERMEABLE SEALING MAT IS PROVIDED IN FORM OF A BENTONITE NON-WOVEN FABRIC COMBINATION WITH THE POSSIBILITY OF TRANSMITTING SHEAR FROM ONE BATT LAYER TO THE OTHER, I.E. ON A SLOPE SHEARING FORCES CAN BE TRANSMITTED BY THE COVERING BATT MATERIAL THROUGH THE LAYER OF SWELLABLE CLAY...

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Bibliographische Detailangaben
Hauptverfasser:	KARSTEN JOHANNSSEN, VOLKARD MULLER, GEORG HEERTEN
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING BUILDING CEILINGS CHEMISTRY COMPOUNDS THEREOF COTTON-WOOL DISPOSAL OF SOLID WASTE EMBANKMENTS EXCAVATIONS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIXED CONSTRUCTIONS FLOORS FOUNDATIONS GENERAL BUILDING CONSTRUCTIONS HYDRAULIC ENGINEERING INORGANIC CHEMISTRY INSULATION OR OTHER PROTECTION OF BUILDINGS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-METALLIC ELEMENTS NON-WOVEN FABRICS PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL ROOFS SOIL SHIFTING TEXTILES TRANSPORTING TRIMMINGS UNDERGROUND OR UNDERWATER STRUCTURES WADDING WALLS, e.g. PARTITIONS
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Zusammenfassung:	A WATER AND/OR OIL-IMPERMEABLE SEALING MAT IS PROVIDED IN FORM OF A BENTONITE NON-WOVEN FABRIC COMBINATION WITH THE POSSIBILITY OF TRANSMITTING SHEAR FROM ONE BATT LAYER TO THE OTHER, I.E. ON A SLOPE SHEARING FORCES CAN BE TRANSMITTED BY THE COVERING BATT MATERIAL THROUGH THE LAYER OF SWELLABLE CLAY INTO THE SUPPORTING BATT MATERIAL. SUCH A SEALING MAT IS A FIBER-REINFORCED MINERAL SEAL PERMITTING THE TRANSMISSION OF SHEARING FORCES ON SLOPES, WITHOUT THE RISK OF THE LAYER SWELLABLE CLAY ITSELF BECOMING THE PREFERRED SLIDING PLANE. THE SEALING MAT CONSISTS OF A NON-WOVEN TEXTILE MATERIAL AS SUBSTRATE LAYER, A LAYER OF SWELLABLE CLAY, PREFERABLY SODIUM BENTONITE, AND A COVER LAYER CONSISTING PREFERABLY ALSO ON A NON-WOVEN TEXTILE MATERIAL, ALL THREE LAYERS HAVING BEEN NEEDLEPUNCHED TOGETHER IN THE CONVENTIONAL MANNER IN A NEEDLE LOOM. WHEN MOISTENED, THE CLAY SWELLS AND FORMS THE WATER AND/OR OIL-IMPERMEABLE LAYER. THE WATER AND/OR OIL-IMPERMEABLE SEALING MAT IS USED ESPECIALLY IN HYDRAULIC ENGINEERING AND IN WASTE DISPOSEL ENGINEERING. (FIG. 1)