NF EN ISO 25619-1
Geosynthetics - Determination of compression behaviour - Part 1 : compressive creep properties
ISO 25619-1:2008 specifies index test methods for determining the compressive creep properties of geosynthetic products. The test specimens are subjected either to normal compressive loading or to a combination of normal compressive loading and shear loading.
ISO 25619-1:2008 specifies index test methods for determining the compressive creep properties of geosynthetic products. The test specimens are subjected either to normal compressive loading or to a combination of normal compressive loading and shear loading.
Le présent document spécifie des méthodes de détermination du comportement du fluage en compression et compression/cisaillement des géotextiles et des produits apparentés aux géotextiles par mesurage de la variation d'épaisseur dans le temps.
<p>This document specifies index test methods for determining the compressive creep properties of geosynthetic products. The test specimens are subjected either to normal compressive loading or to a combination of normal compressive loading and shear loading.</p> <p>The test method with a normal load only (see Clause 5) is the standard method.</p> <p>The test method in which combined normal and shear loads are applied (see Clause 6) is intended for products that are sensitive to shear failure, i.e. which have a columnar or cuspated structure.</p> <p>The tests are carried out on dry specimens or on specimens immersed in water. The test is intended to be carried out with the specimen immersed in water when any part of the geosynthetic product contains a hydrophilic polymer.</p>
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions2
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4 Éprouvettes2
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4.1 Échantillonnage2
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4.2 Nombre et dimensions des éprouvettes3
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4.3 Conditionnement5
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5 Méthode avec application d'une charge de compression normale6
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5.1 Principe6
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5.2 Appareillage6
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5.3 Mode opératoire9
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5.4 Calculs9
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5.5 Rapport d'essai10
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6 Méthode avec application simultanée d'une charge normale et d'une charge de cisaillement11
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6.1 Principe11
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6.2 Appareillage11
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6.3 Mode opératoire14
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6.4 Calculs15
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6.5 Rapport d'essai16
- Annexe A (informative) Variantes par rapport au mode opératoire d'essai de référence pour des essais spécifiques sur site18
- Annexe B (informative) Courbes types19
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