Tests for thermal and weathering properties of aggregates - Part 1: Determination of resistance to freezing and thawing

This European Standard specifies a test method which provides information on how an aggregate behaves when it is subjected to the cyclic action of freezing and thawing.
NOTE   The stresses on aggregates due to frost depend, amongst other factors, on the degree of water saturation as well as the rate of cooling.
The results provide a means for assessing an aggregate's resistance to this form of weathering.
The test is applicable to aggregates having a particle size between 4 mm and 63 mm.

Prüfverfahren für thermische Eigenschaften und Verwitterungsbeständigkeit von Gesteinskörnungen - Teil 1: Bestimmung des Widerstands gegen Frost-Tau-Wechsel

Diese Europäische Norm legt ein Prüfverfahren fest, das aussagt, wie sich eine Gesteinskörnung verhält, wenn sie zyklischen Frost-Tau-Wechseln ausgesetzt wird.
ANMERKUNG   Die Beanspruchung der Gesteinskörnung infolge von Frost hängt neben weiteren Faktoren sowohl vom Grad der Wassersättigung als auch von der Abkühlgeschwindigkeit ab.
Die Prüfergebnisse ermöglichen es, die Widerstandsfähigkeit einer Gesteinskörnung gegen diese Art der
Witterungsbeanspruchung abzuschätzen.
Diese Prüfung kann auf Gesteinskörnungen mit einer Korngröße zwischen 4 mm und 63 mm angewendet werden.

Essais de détermination des propriétés thermiques et de l'altérabilité des granulats - Partie 1: Détermination de la résistance au gel-dégel

La présente norme européenne spécifie une méthode d'essai permettant de fournir des données sur le comportement du granulat lorsqu'il est soumis a des cycles de gel-dégel.
NOTE   Les contraintes subies par les granulats en cas de gel dépendent, entre autres facteurs, du degré de saturation en eau et de la vitesse de refroidissement.
Les résultats permettent une évaluation de la résistance du granulat a cette forme d'altération.
L'essai est applicable aux granulats d'une granularité comprise entre 4 mm et 63 mm.

Preskusi lastnosti agregatov zaradi termičnih in vremenskih vplivov - 1. del: Določevanje odpornosti proti zmrzovanju in odtaljevanju

General Information

Status
Published
Publication Date
15-Aug-2007
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
07-Aug-2007
Due Date
12-Oct-2007
Completion Date
16-Aug-2007

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Tests for thermal and weathering properties of aggregates - Part 1: Determination of resistance to freezing and thawingEssais de détermination des propriétés thermiques et de l'altérabilité des granulats - Partie 1: Détermination de la résistance au gel-dégelPrüfverfahren für thermische Eigenschaften und Verwitterungsbeständigkeit von Gesteinskörnungen - Teil 1: Bestimmung des Widerstands gegen Frost-Tau-WechselTa slovenski standard je istoveten z:EN 1367-1:2007SIST EN 1367-1:2007en,fr,de91.100.15Mineralni materiali in izdelkiMineral materials and productsICS:SIST EN 1367-1:20001DGRPHãþDSLOVENSKI

STANDARDSIST EN 1367-1:200701-september-2007

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1367-1March 2007ICS 91.100.30Supersedes EN 1367-1:1999

English VersionTests for thermal and weathering properties of aggregates - Part1: Determination of resistance to freezing and thawingEssais de détermination des propriétés thermiques et del'altérabilité des granulats - Partie 1: Détermination de larésistance au gel-dégelPrüfverfahren für thermische Eigenschaften undVerwitterungsbeständigkeit von Gesteinskörnungen - Teil 1:Bestimmung des Widerstands gegen Frost-Tau-WechselThis European Standard was approved by CEN on 12 February 2007.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: rue de Stassart, 36

B-1050 Brussels© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1367-1:2007: E

EN 1367-1:2007 (E) 2 Contents Page Foreword................................................................................................................................................3 1 Scope.........................................................................................................................................4 2 Normative references..............................................................................................................4 3 Terms and definitions..............................................................................................................4 4 Principle....................................................................................................................................5 5 Apparatus.................................................................................................................................5 6 Sampling...................................................................................................................................5 7 Test specimens........................................................................................................................5 7.1 General......................................................................................................................................5 7.2 Size of test specimens.............................................................................................................7 7.3 Preparation of test specimens................................................................................................7 8 Procedure.................................................................................................................................7 8.1 Soaking.....................................................................................................................................7 8.2 Exposure to freezing under water..........................................................................................7 9 Determination of the percentage mass loss.........................................................................8 10 Test report................................................................................................................................9 Annex A (informative)

Precision........................................................................................................10 Annex B (informative)

Determination of the strength loss after freeze-thaw cycling..................11 Bibliography........................................................................................................................................12

EN 1367-1:2007 (E) 3 Foreword This document (EN 1367-1:2007) has been prepared by Technical Committee CEN/TC 154 "Aggregates", the secretariat of which is held by BSI. 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 September 2007, and conflicting national standards shall be withdrawn at the latest by September 2007. This document supersedes EN 1367-1:1999. This European Standard is one of a series of tests for thermal and weathering properties of aggregates as listed below: EN 1367-2, Tests for thermal and weathering properties of aggregates — Part 2: Magnesium sulfate test EN 1367-3, Tests for thermal and weathering properties of aggregates — Part 3: Boiling test for “Sonnenbrand basalt" EN 1367-4, Tests for thermal and weathering properties of aggregates — Part 4: Determination of drying shrinkage EN 1367-5, Tests for thermal and weathering properties of aggregates — Part 5: Determination of resistance to thermal shock prEN 1367-6, Tests for thermal and weathering properties of aggregates – Part 6: Resistance to freezing and thawing in the presence of salt Test methods for other properties of aggregates will be 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 1097, Tests for mechanical and physical properties of aggregates EN 1744, Tests for chemical properties of aggregates EN 13179, Tests for filler aggregate used in bituminous mixtures 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 United Kingdom.

EN 1367-1:2007 (E) 4 1 Scope This European Standard specifies a test method which provides information on how an aggregate behaves when it is subjected to the cyclic action of freezing and thawing. NOTE The stresses on aggregates due to frost depend, amongst other factors, on the degree of water saturation as well as the rate of cooling. The results provide a means for assessing an aggregate's resistance to this form of weathering. The test is applicable to aggregates having a particle size between 4 mm and 63 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 932-1, Tests for general properties of aggregates — Part 1: Methods for sampling 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 933-2, Tests for geometrical properties of aggregates — Part 2: Determination of particle size distribution — Test sieves, nominal size of apertures EN 1097-2, Tests for mechanical and physical properties of aggregates — Part 2: Methods for the determination of resistance to fragmentation 3 Terms and definitions For the purposes of this document, the following terms and 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 laboratory sample reduced sample derived from a bulk sample for laboratory testing 3.3 constant mass successive weightings after drying at least 1 h apart not differing by more than 0,1 % NOTE In many cases constant mass can be achieved after a test portion has been dried for a pre-determined period in a specified oven at (110 ± 5) °C. Test laboratories can determine the time required to achieve constant mass for specific types and sizes of sample dependent upon the drying capacity of the oven used.

EN 1367-1:2007 (E) 5 4 Principle Test portions of single sized aggregates, having been soaked in water at atmospheric pressure, are subjected to 10 freeze-thaw cycles. This i

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