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CEN/TS 15325:2008

Bitumen and bituminous binders - Determination of Zero-Shear Viscosity (ZSV) using a Shear Stress Rheometer in creep mode

Edition date: 2019-05-15
Cancelled
Available languages: English, German, French
Summary: Diese Europäische Norm beschreibt die Bestimmung der Null-Scherviskosität (ZSV, en: Zero Shear Viscosity), η0 , für Bitumen und bitumenhaltige Bindemittel, wobei vorzugsweise ein Prüftemperaturbereich angewendet wird, in dem gilt: 100 Pa s < η0 < 50 000 Pa s. Die bevorzugte Prüftemperatur ist 60 °C aber andere Prüftemperaturen, z. B. 45 °C oder 50 °C, könnten ebenfalls verwendet werden. Unter diesen Bedingungen stellt die ZSV (auch als erste newtonsche Viskosität oder absolute Viskosität bezeichnet) einen geeigneten Indikator zur Bewertung des anteiligen Beitrages von bitumenhaltigen Bindemitteln (einschließlich polymermodifizierter Bindemittel) zum Widerstand von Straßenbauasphaltschichten gegen Spurrinnenbildung dar. Diese Europäische Norm beschreibt die Bestimmung der ZSV mit Hilfe eines Schubspannungs-Rheometers (SSR) im Kriechmodus. Dieses Verfahren ist auf nicht gealterte, gealterte und wiedergewonnene bitumenhaltige Bindemittel, einschließlich polymermodifizierter Bindemittel (PmB), anwendbar. WARNUNG - Die Anwendung dieser Europäischen Norm kann den Umgang mit gefährlichen Substanzen und Ausrüstungsteilen und die Ausführung gefährlicher Arbeitsgänge einschließen. Diese Europäische Norm erhebt nicht den Anspruch, alle mit ihrer Anwendung verbundenen Sicherheitsprobleme anzusprechen. Es liegt in der Verantwortung des Anwenders dieses Europäischen Norm, geeignete Verhaltensregeln zur Sicherheit und Gesundheit festzulegen und die Anwendbarkeit einschränkender Vorschriften vor der Anwendung zu bestimmen. Da diese Europäische Norm die Handhabung von Prüfeinrichtungen und Bindemitteln bei hohen Temperaturen einschließt, sind beim Umgang mit heißem Bindemittel stets Schutzhandschuhe und Schutzbrillen zu tragen, und es ist jeglicher Kontakt mit der ungeschützten Haut zu vermeiden.

This European standard describes the determination of Zero Shear Viscosity (ZSV), o, for bitumens and bituminous binders, preferably using test temperature domains in which 100 Pa.s < o < 50 000 Pa.s. The preferred test temperature is 60 °C but other temperatures for example, 45 °C or 50 °C could be used. Under these conditions, ZSV (also referred to as the first Newtonian viscosity or absolute viscosity) is a suitable indicator to evaluate the partial contribution of the bituminous binder (including Polymer Modified Binders) to the rutting resistance of asphalt pavement layers. This European standard describes the determination of ZSV using a Shear Stress Rheometer (SSR) in creep mode. This method is applicable to unaged, aged and recovered bituminous binders including Polymer Modified Binders (PMBs). WARNING — Use of this European standard can involve hazardous materials, operations and equipment. This European standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this European standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Since this European standard involves handling apparatus and binders at high temperatures, always wear protective gloves and eye glasses when handling hot binder, and avoid contact with any exposed skin.

La présente Norme européenne prescrit une méthode pour la détermination de la viscosité à taux de cisaillement nul (ZSV), 0, pour les bitumes et les liants bitumineux, de préférence pour des domaines de températures d'essai pour lesquels 100 Pa.s  0  50 000 Pa.s. La température d’essai privilégiée est 60 °C mais d’autres températures, par exemple 45 °C ou 50 °C pourraient être utilisées. Dans ces conditions, la viscosité à taux de cisaillement nul (ZSV) (aussi dénommée à l’origine viscosité newtonienne ou viscosité absolue) est un indicateur pertinent pour évaluer la contribution partielle du liant bitumineux (y compris des bitumes polymères) à la résistance à l'orniérage des couches d’enrobés constituant la chaussée. La présente Norme européenne décrit la détermination de la viscosité à taux de cisaillement nul (ZSV) à l’aide d’un rhéomètre à contrainte de cisaillement (SSR) en mode de fluage. Cette méthode est applicable aux liants bitumineux non vieillis, vieillis, récupérés, y compris aux bitumes polymères (PMB). AVERTISSEMENT L'utilisation de la présente Norme européenne peut impliquer le recours à de produits, des opérations et des équipements à caractères dangereux. La présente Norme européenne n'est pas censée aborder tous les problèmes de sécurité concernés par son usage. Il est de la responsabilité de l'utilisateur de consulter et d'établir des règles de sécurité et d'hygiène appropriées et de déterminer l'applicabilité des restrictions réglementaires avant utilisation. Parce que la présente Norme européenne implique de manipuler l’appareillage et les liants à haute température, veiller à toujours porter des gants de protection lors de la manipulation du liant, et éviter tout contact avec la peau.
ICS: 91.100.50-Binders. Sealing materials, 75.140-Waxes, bituminous materials and other petroleum products
CTN: CEN/TC 336 - 397847

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