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CEN

EN 1097-8:2009

(Main)

Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value

Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value

This Standard describes the reference method used for type testing and in cases of dispute for
determining the polished stone value (PSV) of a coarse aggregate used in road surfacings. For other
purposes, in particular factory production control, other methods may be used provided that an
appropriate working relationship with the reference method has been established.
Annex A describes an optional method for the determination of the aggregate abrasion value (AAV).
NOTE The AAV method should be used when particular types of skid resistant aggregates (typically those with
a PSV of 60 or greater) which can be susceptible to abrasion under traffic, are required.

Prüfverfahren für mechanische und physikalische Eigenschaften von Gesteinskörnungen - Teil 8: Bestimmung des Polierwertes

Diese Norm legt das für die Erstprüfung und in Streitfällen anzuwendende Referenzverfahren für die Bestimmung
des Polierwerts (en: polished stone value, PSV) einer groben Gesteinskörnung für Straßenoberflächen
fest. Für andere Zwecke, speziell im Rahmen der werkseigenen Produktionskontrolle, dürfen andere Verfahren
angewendet werden, sofern ein ausreichender Zusammenhang zum Referenzverfahren nachgewiesen
wurde.
Im Anhang A ist ein optionales Verfahren zur Bestimmung des Abriebwertes der Gesteinskörnung (en: aggregate
abrasion value, AAV) festgelegt.
ANMERKUNG Das AAV-Verfahren sollte angewendet werden, wenn bestimmte Arten von griffigen Gesteinskörnungen
(üblicherweise Gesteine mit einem PSV von 60 oder darüber), die anfällig gegen Abrieb unter Verkehrsbelastung sind,
benötigt werden.

Essais pour déterminer les caractéristiques mécaniques et physiques des granulats - Partie 8: Détermination du coefficient de polissage accéléré

La présente norme décrit la méthode de référence utilisée pour les essais de type et en cas de litige pour déterminer le coefficient de polissage accéléré (PSV) des gravillons utilisés dans les revêtements des routes. À d’autres fins, en particulier pour le contrôle de la production en usine, d’autres méthodes peuvent être utilisées, à condition qu’une relation appropriée avec la méthode de référence ait été établie. Des exemples de méthodes d’essai avancées sont donnés dans l’Annexe F.
L’Annexe A décrit une méthode facultative pour la détermination de la valeur d’abrasion des granulats (AAV).
NOTE   Il convient d’utiliser la méthode de l’AAV lorsque des types particuliers de granulats antidérapants (ceux, généralement, dont le PSV est égal ou supérieur à 60) sensibles à l’abrasion occasionnée par la circulation sont exigés.

Preskusi mehanskih in fizikalnih lastnosti agregatov - 8. del: Določevanje vrednosti količnika zaglajevanja kamenih zrn

General Information

Status
Withdrawn
Publication Date
07-Jul-2009
Withdrawal Date
14-Apr-2020
ICS
91.100.15 - Mineral materials and products
Technical Committee
CEN/TC 154 - Aggregates
Drafting Committee
CEN/TC 154/SC 6 - Test methods
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
15-Apr-2020
Ref Project
SIST EN 1097-8:2009 - Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value

Relations

Replaces
EN 1097-8:1999 - Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value
Effective Date
11-Jul-2009
Replaced By
EN 1097-8:2020 - Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value
Effective Date
22-Apr-2020
Revised
prEN 1097-8 - Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value
Effective Date
19-Jan-2023

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.ORþHYDQMHPrüfverfahren für mechanische und physikalische Eigenschaften von Gesteinskörnungen - Teil 8: Bestimmung des PolierwertesEssais pour déterminer les caractéristiques mécaniques et physiques des granulats - Partie 8: Détermination du coefficient de polissage accéléréTests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value91.100.15Mineralni materiali in izdelkiMineral materials and productsICS:Ta slovenski standard je istoveten z:EN 1097-8:2009SIST EN 1097-8:2009en,de01-oktober-2009SIST EN 1097-8:2009SLOVENSKI
STANDARDSIST EN 1097-8:20001DGRPHãþD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1097-8July 2009ICS 91.100.15Supersedes EN 1097-8:1999
English VersionTests for mechanical and physical properties of aggregates -Part 8: Determination of the polished stone valueEssais pour déterminer les caractéristiques mécaniques etphysiques des granulats - Partie 8: Détermination ducoefficient de polissage accéléréPrüfverfahren für mechanische und physikalischeEigenschaften von Gesteinskörnungen - Teil 8:Bestimmung des PolierwertesThis European Standard was approved by CEN on 12 June 2009.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 CEN Management Centre 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 CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1097-8:2009: ESIST EN 1097-8:2009

Determination of aggregate abrasion value (AAV) . 19 A.1 General . 19 A.2 Principle . 19 A.3 Sampling . 19 A.4 Materials . 19 A.5 Apparatus . 20 A.6 Preparation of test specimens . 21 A.7 Procedure . 21 A.8 Calculation and expression of results . 22 A.9 Test report . 22 Annex B (normative)
Control of materials . 24 Annex C (normative)
Calibration of the accelerated polishing machine . 25 C.1 Control of rubber-tyred wheels . 25 C.2 Accelerated polishing machine . 25 C.3 Rate of flow of corn emery and emery flour . 25 Annex D (normative)
Calibration of the friction tester and sliders . 27 D.1 Friction tester . 27 D.2 Control of sliders and slider rubber . 28 Annex E (informative)
Precision . 29 E.1 General . 29 E.2 PSV value - National Standard . 29 E.3 PSV value - European cross-border testing . 29 SIST EN 1097-8:2009

Determination of the resistance to wear (micro-Deval)  Part 2:
Methods for the determination of resistance to fragmentation  Part 3:
Determination of loose bulk density and voids  Part 4:
Determination of the voids of dry compacted filler  Part 5:
Determination of water content by drying in a ventilated oven  Part 6:
Determination of particle density and water absorption  Part 7:
Determination of the particle density of filler — Pyknometer method  Part 9:
Determination of the resistance to wear by abrasion from studded tyres: Nordic test  Part 10:
Determination of water suction height According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 1097-8:2009

3 Definitions For the purposes of this document the following definitions apply. 3.1 test specimen sample used in a single determination when a test method requires more than one determination of a property 3.2 batch production quantity, a delivery quantity, a partial delivery quantity (railway wagon-load, lorry-load, ship's cargo) or a stockpile produced at one time under conditions that are presumed uniform NOTE With a continuous process the quantity produced during an agreed period is treated as a batch. SIST EN 1097-8:2009

The test is carried out on aggregate passing a 10 mm sieve and retained on a 7,2 mm grid sieve, and is in two parts: a) test specimens are subjected to a polishing action in an accelerated polishing machine; b) the state of polish reached by each specimen is measured by means of a friction test. The PSV is then calculated from the friction determinations. 5 Sampling The sample submitted to the laboratory for the test shall be obtained from a batch of normal production from the sour
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