BS 1438:2004
Current
The latest, up-to-date edition.
Aggregates. Single-sized aggregates for use as a medium in biological percolating filters
Hardcopy , PDF
English
05-03-2004
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Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Geometrical requirements
5 Impurities
6 Durability
7 Designation and description
8 Marking and labelling
Annex A (normative) Method for the determination of
soundness (sodium sulfate soundness test)
Bibliography
Describes the properties of single-sized aggregates for use as a medium in biological percolating filters.
| Committee |
B/502
|
| DevelopmentNote |
Supersedes BS 1438(1971). (03/2004) Reviewed and confirmed by BSI, December 2009. (11/2009)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard specifies the properties of single-sized aggregates for use as a medium in biological percolating filters.
NOTE Suitable aggregates include crushed natural aggregate, metallurgical slags, selected bottom ashes, sintered pulverized fuel ash and other similar materials.
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| BS EN 933-2:1996 | Tests for geometrical properties of aggregates Determination of particle size distribution. Test sieves, nominal size of apertures |
| BS EN 932-1:1997 | Tests for general properties of aggregates Methods for sampling |
| BS 812-105.1:1989 | Testing aggregates. Methods for determination of particle shape Flakiness index |
| BS EN 932-5:2012 | Tests for general properties of aggregates Common equipment and calibration |
| BS EN 932-2:1999 | Tests for general properties of aggregates Methods for reducing laboratory samples |
| BS EN 932-3:1997 | Tests for general properties of aggregates Procedure and terminology for simplified petrographic description |
| BS EN 933-3:2012 | Tests for geometrical properties of aggregates Determination of particle shape. Flakiness index |
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