NF EN ISO 15630-3
Steel for the reinforcement and prestressing of concrete - Test methods - Part 3 : prestressing steel
This document specifies test methods applicable to prestressing steel (bar, wire or strand) for concrete.This document does not cover the sampling conditions that are dealt with in the product standards.
This document specifies test methods applicable to prestressing steel (bar, wire or strand) for concrete.
This document does not cover the sampling conditions that are dealt with in the product standards.
This document specifies test methods applicable to prestressing steel (bar, wire or strand) for concrete. This document does not cover the sampling conditions that are dealt with in the product standards. A list of options for agreement between the parties involved is provided in Annex A.
Le présent document décrit une méthode permettant de caractériser par un essai de corrosion sous contrainte à l'eau distillée, la résistance à la corrosion fissurante et à la corrosion généralisée des fils, barres et torons d'acier utilisés pour la fabrication des armatures de précontrainte.
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1 Domaine d'application
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2 Références normatives
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3 Termes, définitions et symboles
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4 Dispositions générales concernant les éprouvettes
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5 Essai de traction
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6 Essai de pliage
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7 Essai de pliage alterné
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8 Essai d'enroulement
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9 Essai de relaxation isotherme
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10 Essai de fatigue par force axiale
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11 Essai de corrosion sous contrainte dans une solution de thiocyanate
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12 Essai de traction déviée
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13 Analyse chimique
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14 Mesure des caractéristiques géométriques
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15 Détermination de la surface relative des verrous (fR)
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16 Détermination de l'écart par rapport à la masse linéique nominale
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17 Rapport d'essai
- Annexe A Options pouvant faire l'objet d'un accord entre les parties concernées
- Annexe B Corrosion sous contrainte dans une solution de thiocyanate avec courant galvanostatique
- Annexe C Essai de corrosion sous contrainte dans l'eau distillée
- Bibliographie
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