BS EN 1097-6:2013 - Tests for mechanical and physical properties of aggregates. Determination of particle density and water absorption

BS EN 1097-6:2013

Tests for mechanical and physical properties of aggregates. Determination of particle density and water absorption

Status : Current   Published : July 2013

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This European Standard specifies the reference methods used for type testing and in case of dispute, for the determination of particle density and water absorption of normal weight and lightweight aggregates. Other methods may be used for other purposes, such as factory production control, provided that an appropriate working relationship with the reference method has been established. For convenience, some of these other methods are also described in this standard. The reference methods for normal weight aggregates specified are: - a wire basket method for aggregate particles retained on the 31,5 mm sieve (Clause 7, except for railway ballast which uses Annex B); - a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 4 mm test sieve (Clause 8); - a pyknometer method for aggregate particles passing the 4 mm test sieve and retained on the 0,063 mm test sieve (Clause 9). In Clauses 7, 8 and 9, three different particle density parameters (oven-dried particle density, saturated and surface dried particle density and apparent particle density) and water absorption are determined after a soaking period of 24 h. In Annex B, the oven-dried particle density parameter is determined after soaking in water to constant mass. The wire basket method may be used as an alternative to the pyknometer method for aggregate particles passing the 31, 5 mm test sieve and retained on the 4 mm test sieve. In case of dispute, the pyknometer method described in Clause 8 should be used as the reference method. NOTE 1 The wire basket method can also be used for single aggregate particles retained on the 63 mm sieve. NOTE 2 The pyknometer method described in Clause 8 can be used as an alternative for aggregates passing the 4 mm sieve but retained on the 2 mm sieve. The reference method for lightweight aggregates (Annex C) is a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 4 mm test sieve. Three different particle density parameters and water absorption are determined after pre-drying and a soaking period of 24 h. Three other methods for normal weight aggregates can be used to determine the pre-dried particle density: - a wire basket method for aggregate particles passing the 63 mm test sieve and retained on the 31,5 mm test sieve (A.3); - a pyknometer method for aggregate particles passing the 31,5 mm test sieve and retained on the 0,063 mm test sieve (A.4); - a pyknometer method for aggregate particles passing the 31,5 mm test sieve, including the 0/0,063 mm size fraction (Annex G). NOTE 3 If water absorption is less than about 1,5 %, the apparent particle density can be assessed using the pre-dried particle density method as defined in Annex A. The quick method in Annex E can be used in factory production control to determine the apparent particle density of lightweight aggregates. Guidance on the significance and use of the various density and water absorption parameters is given in Annex H.




Standard NumberBS EN 1097-6:2013
TitleTests for mechanical and physical properties of aggregates. Determination of particle density and water absorption
StatusCurrent
Publication Date31 July 2013
Normative References(Required to achieve compliance to this standard)EN 932-1, EN 932-2, EN 932-5, EN 933-2
Informative References(Provided for Information)EN 932-3
International RelationshipsEN 1097-6:2013
Draft Superseded By10/30218642 DC
DescriptorsAggregates, Cement and concrete technology, Mechanical properties of materials, Physical properties of materials, Water absorption, Density, Lightweight aggregates, Bulk density, Mineral aggregates, Physical property measurement, Density measurement, Particle size measurement
ICS91.100.15
Title in FrenchEssais pour déterminer les caractéristiques mécaniques et physiques des granulats. Détermination de la masse volumique réelle et du coefficient d'absorption d'eau
Title in GermanPrüfverfahren für mechanische und physikalische Eigenschaften von Gesteinskörnungen. Bestimmung der Rohdichte und der Wasseraufnahme
CommitteeB/502/6
ISBN978 0 580 71032 2
PublisherBSI
FormatA4
DeliveryYes
Pages54
File Size2.55 MB
Price£254.00


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