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BSI 21/30434762 DC:2021 Edition

BSI 21/30434762 DC:2021 Edition

$13.70

BS EN 933-1. Tests for geometrical properties of aggregates – Part 1. Determination of particle size distribution. Sieving method

Published By Publication Date Number of Pages
BSI 2021 24
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This document specifies the reference method used for type testing and in case of dispute, for determination of the particle size distribution of aggregates, by washing and dry sieving. 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.

This document applies to all aggregates, with an upper aggregate size D up to 90 mm, but excluding added filler aggregates.

NOTE

The determination of the grading of fillers is specified in EN 933-10 [1].

Annex A specifies a test method for aggregates unsuitable for oven-drying.

Annex B specifies additional steps for preparation of the test portion for all-in aggregates with D ≥ 31,5 mm, without washing size fractions greater than 16 mm.

Annex C provides guidance for maximum mass on sieves to avoid overloading.

Annex D provides an example of test data sheet.

Annex E provides a sheet for graphical presentation of test results.

Annex F gives precision data.

Annex A is normative and Annexes B, C, D, E and F are informative.

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.

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BSI 21/30434762 DC
$13.70