SIST EN 12697-31:2004
(Main)Bituminous mixtures - Test methods for hot mix asphalt - Part 31: Specimen preparation by gyratory compactor
Bituminous mixtures - Test methods for hot mix asphalt - Part 31: Specimen preparation by gyratory compactor
This European Standard specifies the method for compaction of cylindrical specimens of bituminous mixtures using a gyratory compactor. Such compaction is achieved by combining a rotary shearing action and a vertical resultant force applied by a mechanical head.
The method can be used for
a) determination of the air voids content of a mixture for a given number of gyrations;
b) derivation of a curve density versus number of gyrations;
c) preparation of specimens of given height at a predetermined density, for subsequent testing of their mechanical properties.
For purposes a) and b), the performance based procedure of the annex A specifies a calibration chain so that the result of the test should be independent from the used type of gyratory compactor.
For purpose c), compliance with annex A may be not necessary.
This European Standard applies to bituminous mixtures (both those made up in laboratory and those resulting from work site sampling), with an upper aggregate size not larger than 31,5 mm.
Asphalt - Prüfverfahren für Heißasphalt - Teil 31: Herstellung von Probekörpern - Gyrator-Verdichter
Dieses Dokument legt das Verfahren zur Verdichtung von zylindrischen Asphalt-Probekörpern mit einem Gyrator-Verdichter fest. Diese Verdichtung wird durch die Kombination einer drehenden Schubwirkung und einer vertikalen resultierenden Kraft, die von einem mechanischen Kopf ausgeübt wird, erreicht.
Das Verfahren kann angewendet werden für:
a) die Bestimmung des Hohlraumgehalts eines Asphalts für eine gegebene Anzahl der Achsendrehungen;
b) die Ableitung einer Kurve der Raumdichte im Verhältnis zur Anzahl der Achsendrehungen;
c) die Herstellung von Probekörpern mit einer vorgegebenen Höhe und einer bestimmten Raumdichte für die nachfolgende Prüfung ihrer mechanischen Eigenschaften.
Für die Anwendung von a) und b) legt das in Anhang A angegebene performancebasierte Verfahren eine Kalibrierungskette fest, so dass das Prüfergebnis unabhängig vom verwendeten Gyrator-Verdichtertyp sein sollte.
Für die Anwendung von c) ist die Übereinstimmung mit Anhang A nicht unbedingt erforderlich.
Diese Europäische Norm gilt für Asphalt (sowohl im Labor hergestellten wie auch für solchen, von dem auf der Baustelle Proben entnommen wurden) mit einer maximalen Korngröße der Gesteinskörnung von nicht mehr als 31,5 mm.
Mélanges bitumineux - Méthodes d'essai pour mélange hydrocarboné a chaud - Partie 31: Confection d'éprouvettes a la presse a compactage giratoire
Le présent document spécifie la méthode de compactage des éprouvettes cylindriques de mélanges bitumineux a l'aide d'une presse a compactage giratoire. Ce type de compactage est obtenu en combinant une action de cisaillement rotative et une force résultante axiale appliquée par une tete mécanique.
Cette méthode peut etre utilisée pour :
a) la détermination du pourcentage de vides d'une éprouvette pour un nombre de girations donné ;
b) la détermination d'une courbe de la masse volumique par rapport au nombre de girations ;
c) la confection d'éprouvettes d'une hauteur donnée a une masse volumique prédéterminée, pour réaliser par la suite des essais de leurs propriétés mécaniques.
Pour les applications de type a) et b), la procédure fondée sur les performances décrite dans l'Annexe A spécifie une chaîne de calibrage telle que le résultat soit indépendant du type d'appareillage utilisé.
Pour les applications de type c), le recours a l'Annexe A peut ne pas etre nécessaire.
Cette norme s'applique aux mélanges bitumineux (a la fois ceux confectionnés en laboratoire et ceux provenant d'un échantillonnage sur chantier), ayant une taille granulaire maximale inférieure a 31,5 mm.
Bitumenske zmesi – Preskusne metode za vroče asfaltne zmesi – 31. del: Priprava preskušancev z vrtljivim zgoščevalnikom
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Bituminous mixtures - Test methods for hot mix asphalt - Part 31: Specimen preparation by gyratory compactorMélanges bitumineux - Méthodes d'essai pour mélange hydrocarboné a chaud - Partie 31: Confection d'éprouvettes a la presse a compactage giratoireAsphalt - Prüfverfahren für Heißasphalt - Teil 31: Herstellung von Probekörpern - Gyrator-VerdichterTa slovenski standard je istoveten z:EN 12697-31:2004SIST EN 12697-31:2004en93.080.20Materiali za gradnjo cestRoad construction materialsICS:SLOVENSKI
STANDARDSIST EN 12697-31:200401-september-2004
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12697-31July 2004ICS 93.080.20English versionBituminous mixtures - Test methods for hot mix asphalt - Part31: Specimen preparation by gyratory compactorMélanges bitumineux - Méthodes d'essai pour mélangehydrocarboné à chaud - Partie 31: Confection d'éprouvettesà la presse à compactage giratoireAsphalt - Prüfverfahren für Heißasphalt - Teil 31:Herstellung von Probekörpern - Gyrator-VerdichterThis European Standard was approved by CEN on 2 March 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12697-31:2004: E
EN 12697-31:2004 (E) 2 Contents page Foreword.3 1 Scope.6 2 Normative references.6 3 Terms and definitions, symbols and abbreviations.7 3.1 Terms and definitions.7 3.2 Symbols.7 4 Principle.8 5 Apparatus.8 5.1 Test device.8 5.2 Metallic moulds.9 5.3 Round metallic inserts.9 5.4 Device for measuring the distance between inserts.10 5.5 Device for counting the number of rotations to within one revolution.10 6 Preparation of specimens.10 6.1 Mass of mixture to be introduced in the mould.10 6.1.1 Preparation of specimens of a given height at a predetermined bulk density.10 6.1.2 Derivation of a curve density versus number of gyrations.10 6.2 Preparation of test pieces.10 7 Test procedure.11 7.1 Preliminary setting.11 7.1.1 Pre-load.11 7.1.2 Force F.11 7.1.3 Setting of the angle of inclination.11 7.1.4 Speed of rotation.11 7.1.5 Test temperature.11 7.2 Compaction of specimens.12 7.2.1 Start of compaction.12 7.2.2 Preparation of specimens of a given height at a predetermined density.12 7.2.3 Derivation of a curve density or void content versus number of gyrations.13 8 Test report.13 9 Precision.14 Annex A (normative)
Procedure for setting the gyratory-type angle and the type conformity (force F is fixed).15 A.1 Gyratory-type testing procedure.15 A.1.1 Central reference materials for gyratory-type testing.15 A.1.2 Gyratory-type angle test.16 A.2 Procedure to test the conformity of a gyratory compactor to a type.16 A.3 Summary of the gyratory calibration chain.17
EN 12697-31:2004 (E) 3 Foreword This document (EN 12697-31:2004) has been prepared by Technical Committee CEN/TC 227 “Road materials”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2005, and conflicting national standards shall be withdrawn at the latest by August 2005. The method described in the annex A for setting the angle is only intended as an interim measure until the use of specially designed equipment has been fully validated. The procedure for a revised annex is currently being investigated by CEN/TC 227 and may be used in a future revision of this European Standard. This document is one of a series of standards as listed below: EN 12697-1, Bituminous mixtures — Test methods for hot mix asphalt — Part 1: Soluble binder content. EN 12697-2, Bituminous mixtures — Test methods for hot mix asphalt — Part 2: Determination of particle size distribution. EN 12697-3, Bituminous mixtures - Test methods for hot mix asphalt - Part 3: Bitumen recovery: Rotary evaporator. EN 12697-4, Bituminous mixtures - Test methods for hot mix asphalt - Part 4: Bitumen recovery: Fractionating column. EN 12697-5, Bituminous mixtures — Test methods for hot mix asphalt — Part 5: Determination of the maximum density. EN 12697-6, Bituminous mixtures - Test methods for hot mix asphalt - Part 6: Determination of bulk density of bituminous specimens. EN 12697-7, Bituminous mixtures — Test methods for hot mix asphalt — Part 7: Determination of bulk density of bituminous specimens by gamma rays. EN 12697-8, Bituminous mixtures - Test methods for hot mix asphalt - Part 8: Determination of void characteristics of bituminous specimens. EN 12697-9, Bituminous mixtures - Test methods for hot mix asphalt - Part 9: Determination of the reference density. EN 12697-10, Bituminous mixtures — Test methods for hot mix asphalt — Part 10: Compactability. EN 12697-11, Bituminous mixtures - Test methods for hot mix asphalt - Part 11: Determination of the affinity between aggregate and bitumen. EN 12697-12, Bituminous mixtures - Test methods for hot mix asphalt - Part 12: Determination of the water sensitivity of bituminous specimens. EN 12697-13, Bituminous mixtures — Test methods for hot mix asphalt — Part 13: Temperature measurement. EN 12697-14, Bituminous mixtures — Test methods for hot mix asphalt — Part 14: Water content.
EN 12697-31:2004 (E) 4 EN 12697-15, Bituminous mixtures — Test methods for hot mix asphalt — Part 15: Determination of the segregation sensitivity. EN 12697-16, Bituminous mixtures — Test methods for hot mix asphalt — Part 16: Abrasion by studded tyres. EN 12697-17, Bituminous mixtures — Test methods for hot mix asphalt — Part 17: Particle loss of porous asphalt specimen. EN 12697-18, Bituminous mixtures — Test methods for hot mix asphalt — Part 18: Binder drainage. EN 12697-19, Bituminous mixtures — Test methods for hot mix asphalt — Part 19: Permeability of specimen. EN 12697-20, Bituminous mixtures - Test methods for hot mix asphalt - Part 20: Indentation using cube or Marshall specimens. EN 12697-21, Bituminous mixtures - Test methods for hot mix asphalt - Part 21: Indentation using plate specimens. EN 12697-22, Bituminous mixtures — Test methods for hot mix asphalt — Part 22: Wheel tracking. EN 12697-23, Bituminous mixtures - Test methods for hot mix asphalt - Part 23: Determination of the indirect tensile strength of bituminous specimens. EN 12697-24, Bituminous mixtures — Test methods for hot mix asphalt — Part 24: Resistance to fatigue. prEN 12697-25, Bituminous Bituminous mixtures - Test methods for hot mix asphalt - Part 25: Cyclic compression test. EN 12697-26, Bituminous mixtures — Test methods for hot mix asphalt — Part 26: Stiffness. EN 12697-27, Bituminous mixtures — Test methods for hot mix asphalt — Part 27: Sampling. EN 12697-28, Bituminous mixtures — Test methods for hot mix asphalt — Part 28: Preparation of samples for determining binder content, water content and grading. EN 12697-29, Bituminous mixtures - Test method for hot mix asphalt - Part 29: Determination of the dimensions of a bituminous specimen. EN 12697-30, Bituminous mixtures — Test methods for hot mix asphalt — Part 30: Specimen preparation, impact compactor. EN 12697-31, Bituminous mixtures — Test methods for hot mix asphalt — Part 31: Specimen preparation by gyratory compactor. EN 12697-32, Bituminous mixtures — Test methods for hot mix asphalt — Part 32: Laboratory compaction of bituminous mixtures by vibratory compactor. EN 12697-33, Bituminous mixtures - Test methods for hot mix asphalt - Part 33: Specimen prepared by roller compactor. EN 12697-34, Bituminous mixtures — Test methods for hot mix asphalt — Part 34: Marshall test. prEN 12697-35, Bituminous mixtures — Test methods for hot mix asphalt — Part 35: Laboratory mixing. EN 12697-36, Bituminous mixtures — Test methods for hot mix asphalt — Part 36: Determination of the thickness of a bituminous pavement.
EN 12697-31:2004 (E) 5 EN 12697-37, Bituminous mixtures — Test methods for hot mix asphalt — Part 37: Hot sand test for the adhesivity of binder on precoated chippings for HRA. EN 12697-38, Bituminous mixtures — Test methods for hot mix asphalt — Part 38: Common equipment and calibration. prEN 12697-39, Bituminous mixtures — Test methods for hot mix asphalt — Part 39: Binder content by ignition. prEN 12697-40, Bituminous mixtures — Test methods for hot mix asphalt — Part 40: In-situ drainability of porous asphalt. prEN 12697-41, Bituminous mixtures — Test methods for hot mix asphalt — Part 41: Resistance to de-icing fluids. prEN 12697-42, Bituminous mixtures — Test methods for hot mix asphalt — Part 42: Amount of foreign matters in reclaimed asphalt. prEN 12697-43, Bituminous mixtures — Test methods for hot mix asphalt — Part 43: Resistance to fuel. No existing European Standard is superseded. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EN 12697-31:2004 (E) 6
1 Scope This document specifies the method for compaction of cylindrical specimens of bituminous mixtures using a gyratory compactor. Such compaction is achieved by combining a rotary shearing action and a vertical resultant force applied by a mechanical head. The method can be used for a) determination of the air voids content of a mixture for a given number of gyrations; b) derivation of a curve density versus number of gyrations; c) preparation of specimens of given height at a predetermined density, for subsequent testing of their mechanical properties. For purposes a) and b), the performance based procedure of the annex A specifies a calibration chain so that the result of the test should be independent from the used type of gyratory compactor. For purpose c), compliance with annex A may be not necessary. This European Standard applies to bituminous mixtures (both those made up in laboratory and those resulting from work site sampling), with an upper aggregate size not larger than 31,5 mm. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12591, Bitumen and bituminous binders - Specifications for paving grade bitumens. EN 12697-5, Bituminous mixtures — Tests methods for hot mix asphalt — Part 5: Determination of the maximum density. EN 12697-6, Bituminous mixtures - Test methods for hot mix asphalt - Part 6: Determination of bulk density of bituminous specimens. EN 12697-8, Bituminous mixtures - Test methods for hot mix asphalt - Part 8: Determination of void characteristics of bituminous specimens. prEN 12697-35, Bituminous mixtures - Test methods for hot mix asphalt - Part 35: Laboratory mixing. prEN 13108-1; Bituminous mixtures - Material specifications - Part 1: Asphalt concrete. EN ISO 4287, Geometrical product specifications (GPS) - Surface texture: Profile method - Terms, definitions and surface texture parameters (ISO 4287:1997). EN ISO 6508-1, Metallic materials - Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) (ISO 6508-1:1999). ISO 5725-2; Accuracy (trueness and precision) of measurement methods and results -- Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method.
EN 12697-31:2004 (E) 7 3 Terms and definitions, symbols and abbreviations 3.1 Terms and definitions For the purposes of this documentEuropean Standard, the following terms and definitions apply. 3.1.1 gyratory compactor type representative model of a given production compactor 3.1.2 force-angle calibration chain the force F and the angle φ determined for a type of gyratory compactor in order to comply with the central reference material requirements in A.1.2 NOTE Production gyratory compactors of the same type are adjusted using the determined values of F and φ. The conformity of a production gyratory compactor to a type can be verified by doing a comparative test on a bituminous mixture or by checking the variations of the internal angle as described in A.2. 3.1.3 central reference material two bituminous mixtures, produced under defined conditions from constituents stored at a given site, of which the compositions are not specified but the air voids content (the constancy of which is traceable) at fixed numbers of gyrations complies respectively NOTE The characteristics of the central reference material are specified in A.1.1. 3.2 Symbols For the purposes of this European Standard, the following symbols apply: φ
is the angle of incline of axis of test piece, in degrees (°); F is the axial resultant force applicable to the ends of the test pieces, in Newton (N); ω is the speed of rotation of the axis of symmetry of revolution of the test piece, in revolutions per minute (rev/min); D is the internal diameter of the mould, in millimetres (mm); M is the mass of the mixture to be introduced in the mould, in kilograms (kg); ρM is the maximum density of the mixture, in kilograms per cubic metre (kg/m3); hmin is the minimum height of compacted specimen, corresponding to a zero percentage of voids, in millimetres (mm); h(ng) is the height of specimen after a number of gyrations ng, in millimetres (mm); ρ(ng) is the bulk density of specimen after a number of gyrations ng, in kilograms per cubic metre (kg/m3); P is the preload, initial value of F, in Newton (N); v % is the void content, in percentage (%).
EN 12697-31:2004 (E) 8 4 Principle The bituminous mixture is contained within a cylindrica
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