BS 812-105.1:1989 - Testing aggregates. Methods for determination of particle shape. Flakiness index – BSI British Standards

BS 812-105.1:1989

Testing aggregates. Methods for determination of particle shape. Flakiness index

Status : Current, Obsolescent, Superseded   Published : January 1990 Replaced By : BS EN 933-3:1997

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This British Standard, a section of the BS 812 series, describes methods for determining the flakiness index of coarse aggregate.

Aggregate particles are classified as flaky when they have a thickness of less than 0.6 of their mean sieve size. The flakiness index of an aggregate sample is found by separating the flaky particles and expressing their mass as a percentage of the mass of the sample tested. The test is not applicable to material passing a 6.30 mm BS test sieve or retained on a 63.0 mm BS test sieve.




Standard NumberBS 812-105.1:1989
TitleTesting aggregates. Methods for determination of particle shape. Flakiness index
StatusCurrent, Obsolescent, Superseded
Publication Date31 January 1990
Confirm Date15 May 2000
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS EN 933-3:1997
ReplacesBS 812-105-105.1:1985
Draft Superseded By89/10123 DC
DescriptorsAggregates, Cement and concrete technology, Particle size measurement, Flakes, Coarse aggregates, Particulate materials, Screening (sizing), Size classification, Specimen preparation, Test equipment, Reproducibility, Thickness measurement, Sieving
ICS91.100.15
Title in FrenchEssais des granulats. Méthodes de détermination de la forme des grains. Indice de floconnement
Title in GermanPruefung von Zuschlagstoffen. Verfahren zur Bestimmung der Kornform. Scherbenindex
CommitteeB/502/6
ISBN0 580 17923 0
PublisherBSI
FormatA4
DeliveryYes
Pages10
File Size307.6 KB
NotesThis standard has been declared obsolescent as it is no longer relevant. It is replaced by BS EN 933-3:1997
Price£112.00


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