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BS EN 13256-2001
Geotextilien und geotextilverwandte Produkte. Geforderte Eigenschaften fuer die Anwendung im Tunnelbau und in Tiefbauwerken Geotextiles and Geotextile-Related Products-Characteristics Required for Use in the Construction of Tunnels and Underground Structures Geotextiles et produits apparentes. Caracteristiques requises pour l'utilisation dans la construction de tunnels et de structures souterraines CORR 15137:April 23,2004;AMD 15879:March 6,2006
适用范围：This European Standard specifies the relevant characteristics of geotextiles and geotextile-related products used in the construction of tunnels and underground structures, and the appropriate test methods to determine these characteristics. The intended use of these geotextiles or geotextile-related products is to protect geomembranes used in tunnels and underground structures. This standard is not applicable to geomembranes. This standard provides for the evaluation of conformity of the product to this European Standard and for factory production control procedures. This standard defines requirements to be met by manufacturers and distributors with regard to the presentation of product properties. NOTE 1 Particular application cases or national specifications may contain requirements regarding additional properties and - preferably standardised - test methods, if they are technically relevant and not conflicting with European Standards. NOTE 2 This European Standard may be used to derive design values by taking into account factors within the context of the definitions given in Eurocode 7 (ENV 1997-1), e.g. factors of safety. The design life of the product should be determined, since its function may be temporary, as a construction expediency, or permanent, for the lifetime of the structure.
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