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BS EN 933-6:2022 2023

BS EN 933-6:2022 2023

$142.49

Tests for geometrical properties of aggregates – Assessment of surface characteristics. Flow coefficient of aggregates

Published By Publication Date Number of Pages
BSI 2023 28
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This document specifies the reference method used for type testing, and in case of dispute, for determining the flow coefficient of coarse and fine aggregates. Other methods can be used for other purposes, such as factory production control, provided that an appropriate working relationship with the reference method has been established. Examples of advanced test methods can be found in the Bibliography. This document applies to coarse aggregate of sizes between 4 mm and 20 mm and to fine aggregate of size up to 2 mm. It does not apply to lightweight aggregates. NOTE 1 For coarse aggregates between 4 mm and 20 mm, the flow coefficient is linked with the percentage of crushed or broken surfaces of an aggregate and can therefore be used in association with the method specified in EN 933-5. Shape and surface texture characteristics also influence the result. NOTE 2 Experience of this test has been generally limited to natural aggregates. Examples of test data sheets are given in informative Annexes A and C. Annex B (informative) contains precision data. WARNING – The use of this part of EN 933 can involve hazardous materials, operations and equipment (such as dust, noise and heavy lifts). It does not purport to address all of the safety or environmental problems associated with its use. It is the responsibility of users of this document to take appropriate measures to ensure the safety and health of personnel and the environment prior to application of the standard, and fulfil statutory and regulatory requirements for this purpose.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
3 Terms and definitions
9 4 Principle
5 Reference materials
10 6 Apparatus
6.1 General
6.2 Apparatus for general purposes
6.3 Additional apparatus required for the determination of the flow coefficient of coarse aggregate
12 6.4 Additional apparatus required for the determination of the flow coefficient of fine aggregate
14 7 Determination of the flow coefficient of coarse aggregate
7.1 General
7.2 Preparation of test portions
7.2.1 Reference coarse aggregate
15 7.2.2 Test portions
7.3 Procedure
7.3.1 Common test procedure
16 7.3.2 Reference test
7.3.3 Material sample test
17 7.4 Calculation and expression of results
7.5 Test report
7.5.1 Required data
7.5.2 Optional data
18 8 Determination of the flow coefficient of fine aggregate
8.1 General
8.2 Preparation of test portions
8.2.1 Reference fine aggregate
8.2.2 Test portions
19 8.3 Procedure
8.3.1 Common test procedure
8.3.2 Reference test
8.3.3 Material sample test
8.4 Calculation and expression of results
20 8.5 Test report
8.5.1 Required data
8.5.2 Optional data
21 Annex A (informative)Example of test data sheet – coarse aggregate
23 Annex B (informative)Precision
B.1 Coarse aggregate
B.2 Fine aggregate
24 Annex C (informative)Example of test data sheet – fine aggregate

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BS EN 933-6:2022 2023
$142.49