BS EN 1097-2:2020 - Tests for mechanical and physical properties of aggregates. Methods for the determination of resistance to fragmentation

BS EN 1097-2:2020

Tests for mechanical and physical properties of aggregates. Methods for the determination of resistance to fragmentation

Status : Current   Published : April 2020

Format
PDF

Format
HARDCOPY



This document describes the reference method, the Los Angeles test, used for type testing and in case of dispute (and an alternative method, the impact test) for determining the resistance to fragmentation of coarse aggregates (main text) and aggregates for railway ballast (Annex A). For other purposes, in particular factory production control, other methods are possible provided that an appropriate working relationship with the reference method has been established.

This document applies to natural, manufactured or recycled aggregates used in building and civil engineering.

Annex A describes a method for the determination of resistance to fragmentation of aggregates for railway ballast.

Annex B gives alternative narrow range classifications for the Los Angeles test and the impact test.

Annex C contains construction, operation and safety requirements for the impact tester.

Annex D describes a method for checking of the impact tester.

Annex E gives precision data.

Annex F contains a worked example of calculation of impact value SZ.

Annex G gives an alternative narrow range classification for the Los Angeles test of 16/32 mm recycled aggregates.

Annex H proposes an additional sieve for the evaluation of the Los Angeles test for railway ballast.

Annex A is normative and Annexes B to H are informative.




Standard NumberBS EN 1097-2:2020
TitleTests for mechanical and physical properties of aggregates. Methods for the determination of resistance to fragmentation
StatusCurrent
Publication Date23 April 2020
Normative References(Required to achieve compliance to this standard)EN 10025-2:2004, EN 932-5, EN 933-1, EN 933-2, EN 1097-6, EN 932-2
Informative References(Provided for Information)DIN 52115-2:2014, EN ISO 6508-1:2016, EN ISO 16396-1:2015, ISO 5725-2:1994, ISO 8062:1994, ISO 185:2005, ISO 683-3:2014, ISO 4957:1999, ISO 48:2010, ISO 4762:2004, ISO 2768-2:1989, ISO 3302-1:2014, ISO 2768-1:1989, EN 10083-2:2006
ReplacesBS EN 1097-2:2010
International RelationshipsEN 1097-2:2020
Draft Superseded By18/30368675 DC
DescriptorsPhysical properties of materials, Hardness, Reproducibility, Strength of materials, Test equipment, Testing conditions, Impact testing, Synthetic aggregates, Natural aggregates, Ballast (aggregates), Crushing, Classification systems, Specimen preparation, Drop tests, Cement and concrete technology, Fragmentation tests, Mechanical properties of materials, Aggregates, Impact strength, Coarse aggregates, Mechanical testing, Hardness testing, Test specimens
ICS91.100.15
Title in FrenchEssais pour déterminer les caractéristiques mécaniques et physiques de granulats Méthodes pour la détermination de la résistance à la fragmentation
Title in GermanPrüfverfahren für mechanische und physikalische Eigenschaften von Gesteinskörnungen Verfahren zur Bestimmung des Widerstandes gegen Zertrümmerung
CommitteeB/502/6
ISBN978 0 580 51892 8
PublisherBSI
FormatA4
DeliveryYes
Pages46
File Size1.117 MB
Price£240.00


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