NEN EN 932-2 : 1999
Current
The latest, up-to-date edition.
TESTS FOR GENERAL PROPERTIES OF AGGREGATES - PART 2: METHODS FOR REDUCING LABORATORY SAMPLES
Hardcopy
English
01-02-1999
Foreword
1 Scope
2 Normative references
3 Definitions and symbols
4 Principle
5 Apparatus
6 Consideration before sample reduction
7 Sample reduction technique using a rotary sample
divider
8 Sample reduction using a riffle box
9 Sample reduction using fractional shovelling
10 Sample reduction by quartering
11 Sample reduction to a test portion of a specified
mass within a small tolerance
12 Sample reduction with crushing to reduce the particle
size
13 Procedures for obtaining duplicate test portions
Annex A (informative) Half, three-quarters and five-eigths
divisions by a riffle box
Annex B (informative) Worked examples
Specifies methods for reducing laboratory samples of aggregates to test portions, when the test portion mass is: - specified by a lower limit on the mass; - specified by a tolerance around a target mass; - determined precisely by the requirements of a test method.
| DocumentType |
Test Method
|
| Pages |
16
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 932-2:1999 | Identical |
| DIN EN 932-2:1999-03 | Identical |
| NBN EN 932-2 : 1999 | Identical |
| NS EN 932-2 : 1ED 1999 | Identical |
| EN 932-2:1999 | Identical |
| I.S. EN 932-2:1999 | Identical |
| NF EN 932-2 : 1999 | Identical |
| UNE-EN 932-2:1999 | Identical |
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