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  • BSI
    BS ISO 20290-4:2019 Aggregates for concrete. Test methods for mechanical and physical properties - Determination of ten percent fines value (TFV)
    Edition: 2019
    $307.97
    / user per year

Description of BS ISO 20290-4:2019 2019

This document gives the test method for determination of ten percent fines value (TFV) of aggregates. This method gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load.

It covers two sets of procedures:

  • the first procedure is applicable for aggregates tested in dry condition; and

  • the second procedure is applicable for aggregates tested in a soaked condition.

NOTE 1

Generally, the test can be done under dry conditions. However, the engineer in charge can choose to test them in soaked condition, if necessary.

The method is applicable to aggregates of different strengths covering both weak and strong aggregates. It is applicable to standards aggregates, i.e. passing a 14,0 mm test sieve and retained on 10,0 mm test sieve.

National standards can also exist for the aggregate size fraction to be taken for this test. In case this definite size fraction is not available, the test can be made on other sizes, given in Annex A. The comparison of results of non-standard sizes with standard size aggregates is not possible due to lack of available data.

NOTE 2

Minor variations in grading divisions can be allowed in respective national standards.



Standard NumberBS ISO 20290-4:2019
TitleAggregates for concrete. Test methods for mechanical and physical properties - Determination of ten percent fines value (TFV)
StatusUnder Review
Publication Date2019-11-26
Identical National Standard OfISO 20290-4
DescriptorsFines, Properties, Test methods, Concretes, Aggregates
ICS91.100.30 Concrete and concrete products
CommitteeB/517/1
ISBN978 0 580 99888 1
PublisherBSI
Pages16

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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