STRUCTURE GEOTEXTILE DE FILTRATION

The filter may be made of geotextile material (10). There is a top layer which may be thicker in the centre (16) than at the edge (14). This material may consist of a layer of e.g. felted fibrous synthetic material. The top layer rests on a thin lower layer (12) which may consist of fibrous material...

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Bibliographische Detailangaben
Hauptverfasser:	ARTIERES OLIVIER, DELMAS PHILIPPE
Format:	Patent
Sprache:	fre
Schlagworte:	BRAIDING COTTON-WOOL EMBANKMENTS EXCAVATIONS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING 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 NON-WOVEN FABRICS PERFORMING OPERATIONS SOIL SHIFTING TEXTILES TRANSPORTING TRIMMINGS UNDERGROUND OR UNDERWATER STRUCTURES WADDING
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Beschreibung
Zusammenfassung:	The filter may be made of geotextile material (10). There is a top layer which may be thicker in the centre (16) than at the edge (14). This material may consist of a layer of e.g. felted fibrous synthetic material. The top layer rests on a thin lower layer (12) which may consist of fibrous material with a number of constrictions. There may be between 15 and 40 constrictions. This lower layer rests on a layer of soil or gravel which may be used for filtration.