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ISO 1920-8

Testing of concrete — Part 8: Determination of drying shrinkage of concrete for samples prepared in the field or in the laboratory

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Organization: ISO
Publication Date: 1 April 2009
Status: active
Page Count: 22
ICS Code (Concrete and concrete products): 91.100.30
scope:

This part of ISO 1920 specifies a method for determining the length changes of concrete specimens due to drying in air, and the method of preparing and curing the concrete specimens to be tested.

It is applicable for the testing of specimens prepared in the laboratory or in the field, in which the maximum nominal size of aggregate in the concrete, in accordance with ISO 6274, does not exceed 25 mm.

The precision statement in Clause 10 does not apply to specimens that have had non-standard initial curing (normally field-prepared specimens). In addition, this part of ISO 1920 requires that field-prepared specimens be marked, recorded and reported as such.

NOTE 1 This test method is not always suitable for very low slump concrete (less than 20 mm), primarily due to the difficulties in obtaining adequate compaction. Provided adequate compaction is obtained, the method is applicable.

NOTE 2 The method is specifically developed for measurement of drying shrinkage of concrete, but it is capable of adaptation for measurement of length changes of specimens subjected to a variety of environmental conditions.

Document History

ISO 1920-8
April 1, 2009
Testing of concrete — Part 8: Determination of drying shrinkage of concrete for samples prepared in the field or in the laboratory
This part of ISO 1920 specifies a method for determining the length changes of concrete specimens due to drying in air, and the method of preparing and curing the concrete specimens to be tested. It...

References

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