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EN 12272-3:2025

Surface dressing - Test methods - Part 3: Determination of binder aggregate adhesivity by the Vialit plate shock test method

Edition date: 2025-11-05
In Force
Available languages: German, French, English
Summary: This document specifies, for anhydrous bituminous binder (cut-back and fluxed bituminous binders), the measurement of the binder aggregate adhesivity and the influence of adhesion agents or interfacial dopes on adhesion characteristics. This is to help designing binder aggregate systems for surface dressing. This document specifies methods of measurement of: — the mechanical adhesion of the binder to the surface of the aggregate; — the active adhesivity of the binder to the chippings; — the improvement of the mechanical adhesion and active adhesivity by adding an adhesion agent either into the mass of the binder or by spraying the interface between binder and chippings; — the wetting temperature of the binder to the aggregate; — the variation of adhesivity below the fragility temperature. The wetting capacity of the binder affects the adhesivity properties. With the presence of water, the wetting capacity of bitumen emulsion is naturally high. Even if mechanical adhesion and active adhesivity test methods are mainly dedicated to anhydrous bituminous binders (cut-back and fluxed bituminous binders), these measurements can also be practiced with bitumen emulsion with a personalized interpretation of the results that depends on the design of the binder aggregate system. For bitumen emulsion, the adhesivity is conventionally measured through the water immersion test (EN 13614). This test method is applicable to: — bituminous binders used for surface dressings (e.g. conventional or polymer modified binders; mainly anhydrous bituminous binders such as cut-back and fluxed bituminous binders and bitumen emulsions); — all the following aggregates sizes that can be used for surface dressings: — set 1: 2/5 mm, 5/8 mm, 8/11 mm and 11/16 mm; and — set 2: 2/4 mm, 2/6 mm, 4/6 mm, 4/8 mm, 6/10 mm, 6/12 mm and 10/14 mm. This test method does not apply to quality control on site. NOTE Further information concerning the purpose of the test can be found in Annex D. WARNING – The use of this document can involve hazardous operations. This document does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety practices and determine the applicability of regulatory limitations prior to use.

Le présent document spécifie, pour les liants bitumineux anhydres (liants bitumineux fluidifiés et fluxés), la mesure de l'adhésivité des agrégats du liant et l'influence des agents d'adhésion ou des dopes interfaciaux et des caractéristiques d'adhésion. Ceci afin d’aider à la conception des systèmes de granulat/liant pour les enduits superficiels d'usure. Le présent document spécifie les méthodes de mesure suivantes : - l'adhésion mécanique du liant à la surface du granulat ; - l'adhésivité active du liant aux gravillons ; - l'amélioration de l'adhérence mécanique et de l'adhésivité active par l'ajout d'un agent d'adhésion soit dans la masse du liant, soit par épandage de l'interface entre le liant et les gravillons ; - la température de mouillage du liant sur le granulat ; - la variation de l'adhésivité en dessous de la température de fragilité. La capacité de mouillage du liant affecte les propriétés d'adhésivité. En présence d'eau, la capacité de mouillage de l'émulsion de bitume est naturellement élevée. Même si les méthodes d'essai d'adhérence mécanique et d'adhésivité active sont principalement dédiées aux liants bitumineux anhydres (liants bitumineux fluidifiés et fluxés), ces mesures peuvent également être appliquées avec l'émulsion de bitume avec une interprétation personnalisée des résultats qui dépend de la conception du système de liant et de granulat. Pour l'émulsion de bitume, l'adhésivité est mesurée de manière conventionnelle par l'essai d'immersion dans l'eau (EN 13614). Cette méthode d'essai est applicable pour : - les liants bitumineux utilisés pour les enduits superficiels d'usure (par exemple, les liants conventionnels ou modifiés par des polymères ; principalement les liants bitumineux anhydres tels que les liants bitumineux fluidifiés et fluxés et les émulsions de bitume) ; - toutes les tailles de granulats suivantes qui peuvent être utilisées pour les enduits superficiels d'usure : - ensemble 1 : 2/5 mm, 5/8 mm, 8/11 mm et 11/16 mm ; et - ensemble 2 : 2/4 mm, 2/6 mm, 4/6 mm, 4/8 mm, 6/10 mm, 6/12 mm et 10/14 mm. Il n'est pas prévu que cette méthode soit utilisée sur chantier pour le contrôle de la qualité. NOTE Des informations complémentaires concernant l'objet de l'essai figurent à l'Annexe D. AVERTISSEMENT - L'utilisation du présent document peut impliquer des opérations dangereuses. Le présent document n'a pas la prétention d'aborder tous les problèmes de sécurité associés à son utilisation. Il appartient à l'utilisateur du présent document d'établir des pratiques de sécurité appropriées et de déterminer l'applicabilité des limitations réglementaires avant toute utilisation.

Dieses Dokument legt für wasserfreies bitumenhaltiges Bindemittel (verschnittene und gefluxte bitumenhaltige Bindemittel) die Bestimmung des Adhäsionsvermögens von Bindemittel und Gesteinskörnung sowie den Einfluss von Haftmitteln oder grenzflächenaktiven Zusätzen auf Adhäsionseigenschaften fest. Dies unterstützt die Entwicklung von Bindemittel-Gesteinskörnungs-Systemen für Oberflächenbehandlungen. Dieses Dokument legt Verfahren fest zur Bestimmung:  der mechanischen Adhäsion des Bindemittels an der Oberfläche der Gesteinskörnung;  des aktiven Adhäsionsvermögens des Bindemittels an der Gesteinskörnung;  der Verbesserung der mechanischen Adhäsion und des aktiven Adhäsionsvermögens durch Zugabe von Haftmittel entweder durch Zugabe in das Bindemittel oder durch Spritzen in die Grenzfläche zwischen Bindemittel und Gesteinskörnung;  der Temperatur, bei der das Bindemittel die Gesteinskörnung benetzt;  der Änderung des Adhäsionsvermögens unterhalb der Bruchtemperatur. Die Adhäsionseigenschaften werden durch das Benetzungsvermögen des Bindemittels beeinflusst. In Gegenwart von Wasser ist das Benetzungsvermögen von Bitumenemulsion von Natur aus hoch. Obwohl Prüfverfahren für die Bestimmung der mechanischen Adhäsion und des aktiven Adhäsionsvermögens hauptsächlich auf wasserfreie bitumenhaltige Bindemittel (verschnittene und gefluxte bitumenhaltige Bindemittel) ausgerichtet sind, können sie bei einer an die Zusammensetzung des Bindemittel-Gesteinskörnungs-Systems angepassten Interpretation der Ergebnisse auch für Bitumenemulsion angewendet werden. Das Adhäsionsvermögen von Bitumenemulsion wird üblicherweise bei Wasserlagerung bestimmt (EN 13614). Dieses Prüfverfahren ist anwendbar auf:  bitumenhaltige Bindemittel, die für Oberflächenbehandlungen verwendet werden (z. B. herkömmliche oder polymermodifizierte Bindemittel, im Wesentlichen wasserfreie bitumenhaltige Bindemittel wie verschnittene und gefluxte bitumenhaltige Bindemittel und Bitumenemulsionen);  alle folgenden Gesteinskörnungsgrößen, die für Oberflächenbehandlungen verwendet werden können:  Satz 1: 2/5 mm, 5/8 mm, 8/11 mm und 11/16 mm; und  Satz 2: 2/4 mm, 2/6 mm, 4/6 mm, 4/8 mm, 6/10 mm, 6/12 mm und 10/14 mm. Dieses Prüfverfahren ist nicht anwendbar für die Qualitätskontrolle auf der Baustelle. ANMERKUNG Weitere Angaben zu den Zwecken, für die diese Prüfung herangezogen werden kann, können Anhang D entnommen werden. WARNUNG — Die Anwendung dieses Dokuments kann gefährliche Arbeitsgänge bedingen. Dieses Dokument erhebt nicht den Anspruch, alle mit seiner Anwendung verbundenen Sicherheitsprobleme zu behandeln. Es liegt in der Verantwortung des Anwenders dieses Dokuments, geeignete Vorkehrungen für den Arbeitsschutz zu treffen und vor der Anwendung festzulegen, welche einschränkenden Vorschriften gelten.

ICS: 93.080.20-Road construction materials
CTN: CEN/TC 227 - 6208

Reemplazo Normas

Reemplaza a EN 12272-3:2003

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