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EN 17542-2:2022

(Main)

Earthworks - Geotechnical laboratory tests - Part 2: Fragmentability test standard

Earthworks - Geotechnical laboratory tests - Part 2: Fragmentability test standard

This document defines the principle and the methods for the determination of the "fragmentability coefficient" of rocky material.
The fragmentability coefficient IFR distinguishes the behaviour of certain rocky material and is used to show the change in particle size from the moment than the material is excavated through to its subsequent implementation and in certain cases during its whole service life. Changes in the particle size occur due to the structural resistance of the rock being unable to support the mechanical stress to which it is subjected during its implementation and use.

Erdarbeiten - Geotechnische Laborversuche - Teil 2: Prüfung der Zertrümmerbarkeit

Dieses Dokument definiert die Grundlagen und die Verfahren zur Bestimmung des "Zertrümmerbarkeits-koeffizienten" von Felsmaterial.
Der Zertrümmerbarkeitskoeffizient IFR unterscheidet das Verhalten bestimmter Felsmaterialien und wird verwendet, um die Änderungen der Korngröße ab dem Zeitpunkt des Lösens des Materials bis zum folgen-den Einbau und in bestimmten Fällen während der gesamten Einsatzdauer darzustellen. Veränderungen der Korngröße treten auf, da der Fels aufgrund seiner Strukturfestigkeit nicht die mechanische Belastung aushalten kann, der er während des Einbaus und der Verwendung ausgesetzt ist.

Terrassements - Essais géotechniques en laboratoire - Partie 2 : Essai de fragmentabilité

Le présent document définit le principe et les méthodes de détermination du « coefficient de fragmentabilité » d’un matériau rocheux.
Le coefficient de fragmentabilité IFR sert à distinguer le comportement de certains matériaux rocheux et est utilisé pour apprécier l’évolution de la granulométrie depuis l’extraction du matériau jusqu’à sa mise en œuvre et, dans certains cas, pendant toute sa durée de vie. Des modifications de la granulométrie se produisent en raison de la résistance structurelle de la roche, qui est incapable de résister aux contraintes mécaniques auxquelles elle est soumise lors de sa mise en œuvre et de son utilisation.

Zemeljska dela - Geotehnični laboratorijski preskusi - 2. del: Preskus drobljivosti

Ta dokument določa načelo in metode za določanje »koeficienta drobljivosti« kamninskega materiala.
Koeficient drobljivosti IFR označuje obnašanje določenega kamninskega materiala in se uporablja za prikaz spremembe velikosti delcev, do katere pride v obdobju med časom izkopa materiala in poznejšo izvedbo ter, v nekaterih primerih, v celotni življenjski dobi materiala. Velikost delcev se spremeni, ker konstrukcijska odpornost kamnine ni zadostna za prenašanje mehanskih obremenitev, katerim je izpostavljena med izvedbo in uporabo.

General Information

Status
Published
Publication Date
21-Jun-2022
Withdrawal Date
30-Dec-2022
ICS
93.020 - Earthworks. Excavations. Foundation construction. Underground works
Technical Committee
CEN/TC 396 - Earthworks
Drafting Committee
CEN/TC 396/WG 8 - Test methods
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
22-Jun-2022
Due Date
26-Jul-2022
Completion Date
22-Jun-2022
Ref Project
SIST EN 17542-2:2022 - Earthworks - Geotechnical laboratory tests - Part 2: Fragmentability test standard

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SLOVENSKI STANDARD
SIST EN 17542-2:2022
01-september-2022
Zemeljska dela - Geotehnični laboratorijski preskusi - 2. del: Preskus drobljivosti
Earthworks - Geotechnical laboratory tests - Part 2: Fragmentability test standard
Erdarbeiten - Geotechnische Laborversuche - Teil 2: Prüfung der Zertrümmerbarkeit
Terrassements - Essais géotechniques en laboratoire - Partie 2 : Essai de
fragmentabilité
Ta slovenski standard je istoveten z: EN 17542-2:2022
ICS:
93.020 Zemeljska dela. Izkopavanja. Earthworks. Excavations.
Gradnja temeljev. Dela pod Foundation construction.
zemljo Underground works
SIST EN 17542-2:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 17542-2:2022

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SIST EN 17542-2:2022


EN 17542-2
EUROPEAN STANDARD

NORME EUROPÉENNE

June 2022
EUROPÄISCHE NORM
ICS 93.020
English Version

Earthworks - Geotechnical laboratory tests - Part 2:
Fragmentability test standard
Terrassements - Essais géotechniques en laboratoire - Erdarbeiten - Geotechnische Laborversuche - Teil 2:
Partie 2 : Essai de fragmentabilité Prüfung der Zertrümmerbarkeit
This European Standard was approved by CEN on 20 April 2022.

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. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC 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
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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17542-2:2022 E
worldwide for CEN national Members.

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SIST EN 17542-2:2022
EN 17542-2:2022 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Symbols and abbreviated terms . 5
5 Test principle . 6
6 Equipment and test material . 6
7 Preparing samples . 6
8 Testing . 7
9 Calculation and expression of results . 7
10 Test report . 8
Annex A (informative) Example of Test report Fragmentability coefficient of rocky material
according to EN 17542-2:202X . 9
Annex B (informative) Alternative size fractions .
...

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