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prEN 1097-8

(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 European Standard describes the reference method used for type testing and in case 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. Examples of advanced test methods can be found in the Bibliography.
Annex A describes an optional method for the determination of the aggregate abrasion value (AAV).
NOTE   The AAV method is suitable to use 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 Europäische Norm legt das für die Erstprüfung und im Streitfall 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. Beispiele für fortschrittliche Prüfverfahren können den Literaturhinweisen entnommen werden.
Im Anhang A ist ein optionales Verfahren zur Bestimmung des Abriebwertes der Gesteinskörnung (en: aggregate abrasion value, AAV) festgelegt.
ANMERKUNG   Das AAV-Verfahren ist geeignet, wenn bestimmte Arten von griffigen Gesteinskörnungen (üblicherweise Gesteine mit einem PSV von 60 oder darüber), die anfällig gegen Abrieb unter Verkehrsbelastung sein können, benötigt werden.

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

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

General Information

Status
Not Published
Publication Date
04-Feb-2018
Withdrawal Date
05-Aug-2018
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
4098 - Decision to abandon - Enquiry
Completion Date
11-Apr-2017
Ref Project
oSIST prEN 1097-8:2016 - Tests for mechanical and physical properties of aggregates - Part 8: Determination of the polished stone value

Relations

Revises
EN 1097-8:2009 - 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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Standards Content (Sample)


SLOVENSKI STANDARD
01-september-2016
3UHVNXVLPHKDQVNLKLQIL]LNDOQLKODVWQRVWLDJUHJDWRYGHO'RORþHYDQMH
YUHGQRVWLNROLþQLND]DJODMHYDQMDNDPHQLK]UQ
Tests for mechanical and physical properties of aggregates - Part 8: Determination of the
polished stone value
Prüfverfahren für mechanische und physikalische Eigenschaften von Gesteinskörnungen
- Teil 8: Bestimmung des Polierwertes
Essais pour déterminer les caractéristiques mécaniques et physiques des granulats -
Partie 8: Détermination du coefficient de polissage accéléré
Ta slovenski standard je istoveten z: prEN 1097-8
ICS:
91.100.15 Mineralni materiali in izdelki Mineral materials and
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2016
ICS 91.100.15 Will supersede EN 1097-8:2009
English Version
Tests for mechanical and physical properties of aggregates
- Part 8: Determination of the polished stone value
Essais pour déterminer les caractéristiques Prüfverfahren für mechanische und physikalische
mécaniques et physiques des granulats - Partie 8: Eigenschaften von Gesteinskörnungen - Teil 8:
Détermination du coefficient de polissage accéléré Bestimmung des Polierwertes
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 154.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1097-8:2016 E
worldwide for CEN national Members.

EN 1097-8:2016 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 6
5 Sampling . 6
6 Materials . 6
7 Apparatus . 7
7.1 General. 7
7.2 Accelerated polishing machine . 8
7.3 Friction tester . 10
7.4 Test sieves . 13
7.5 Grid sieve . 13
7.6 Length gauge or callipers . 14
7.7 Equipment for preparing test specimens . 14
8 Preparation of test specimens . 14
9 Conditioning of the rubber-tyred wheel . 16
10 Accelerated polishing of specimens . 16
11 Friction test procedure . 17
12 Calculation and expression of results . 21
13 Test report . 22
13.1 Required data . 22
13.2 Optional data . 22
Annex A (normative) Determination of aggregate abrasion value (AAV) . 23
A.1 General. 23
A.2 Principle . 23
A.3 Sampling . 23
A.4 Materials . 23
A.5 Apparatus . 24
A.6 Preparation of test specimens . 25
A.7 Procedure . 25
A.8 Calculation and expression of results . 26
A.9 Test report . 27
Annex B (normative) Control of materials . 28
Annex C (normative) Calibration of the accelerated polishing machine . 29
C.1 Control of rubber-tyred wheels . 29
C.2 Accelerated polishing machine . 29
C.3 Rate of flow of corn emery and emery flour . 30
Annex D (normative) Calibration of the friction tester and sliders . 32
D.1 Friction tester . 32
D.2 Control of sliders and slider rubber . 33
Annex E (normative) Friction tester reference stone specimen preparation and friction
slider conditioning . 34
E.1 General . 34
E.2 Preparation and initial testing of friction tester reference stone specimens . 34
E.3 Slider conditioning . 34
Annex F (informative) Precision . 35
F.1 General . 35
F.2 PSV value - National Standard . 35
F.3 PSV value - European cross-border testing . 35
F.4 Aggregate abrasion value (AAV) . 36
Bibliography . 37

EN 1097-8:2016 (E)
European foreword
This document (prEN 1097-8:2016) has been prepared by Technical Committee CEN/TC 154
“Aggregates”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 1097-8:2009.
This standard forms part of a series of tests for mechanical and physical properties of aggregates. Test
methods for other properties of aggregates are covered by Parts of the following European Standards:
— EN 932, Tests for general properties of aggregates
— EN 933, Tests for geometrical properties of aggregates
— EN 1367, Tests for thermal and weathering properties of aggregates
— EN 1744, Tests for chemical properties of aggregates
— EN 13179, Tests for filler aggregate used in bituminous mixtures
The other parts of EN 1097 are:
— Part 1: 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: Water suction height
In this standard the Annexes A, B, C, D and E are normative and the Annex F is informative.
1 Scope
This European Standard describes the reference method used for type testing and in case 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. Examples of
advanced test methods can be found in the Bibliography.
Annex A describes an optional method for the determination of the aggregate abrasion value (AAV).
NOTE The AAV method is suitable to use 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.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 932-2, Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples
EN 932-5, Tests for general properties of aggregates - Part 5: Common equipment and calibration
EN 932-6, Tests for general properties of aggregates - Part 6: Definitions of repeatability and
reproducibility
EN 933-3, Tests for geometrical properties of aggregates - Part 3: Determination of particle shape -
Flakiness index
EN 1097-6,
...

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