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BSI BS 812-123:1999

Testing aggregates -- Method for determination of alkali-silica reactivity. Concrete prism method
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BSI BS 812-123:1999

Testing aggregates -- Method for determination of alkali-silica reactivity. Concrete prism method

PUBLISH DATE 1999
PAGES 18
BSI BS 812-123:1999

This British Standard specifies a method of measuring the expansion of concrete produced by alkali-silica reaction involving specific combinations of aggregates.

The method is designed as an accelerated laboratory test for a specific combination of aggregates and is not considered to be a performance test for concrete.

NOTE Aggregates are usually tested in the same combination as when they are actually used. When the aggregate combination to be used is not decided, however, the test sample of aggregate is tested in combination with both:

  • an inert aggregate
  • an aggregate geologically similar to itself

in proportions specified in the method. This procedure provides a generally satisfactory assessment of the aggregate by accommodating any pessimum value which it may possess.

SDO BSI: British Standards Institution
Document Number 812-123
Publication Date Aug. 15, 1999
Language en - English
Page Count
Revision Level
Supercedes
Committee B/502/6
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