NF EN 14576

Geosynthetics - Test methods for determining the resistance of polymeric geosynthetic barriers to environmental stress cracking

Le présent document décrit un essai permettant d'évaluer la résistance des géomembranes à base de polymères (polyéthylène ou polypropylène) à la fissuration sous contrainte ("stress cracking"). L'essai consiste à mesurer le temps nécessaire pour que des éprouvettes de géomembranes soumises à une charge de traction constante, en présence d'agents tensio-actifs à température élevée, atteignent la rupture. La méthode décrite convient pour des essais de conformité mais ne permet pas d'en déduire des données performancielles telles que la durée de vie.

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