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>25/30505806 DC BS EN 12390-20 Testing hardened concrete Part 20: Determination of porosity
sklademVydáno: 2025-02-20
25/30505806 DC BS EN 12390-20 Testing hardened concrete Part 20: Determination of porosity

25/30505806 DC

BS EN 12390-20 Testing hardened concrete Part 20: Determination of porosity

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Označení normy:25/30505806 DC
Počet stran:12
Vydáno:2025-02-20
Status:Draft for Comment
DESCRIPTION

25/30505806 DC


This standard 25/30505806 DC BS EN 12390-20 Testing hardened concrete is classified in these ICS categories:
  • 91.100.30 Concrete and concrete products
This document describes the method for the determination of the porosity (open pores) of hardened concrete on test specimens of any type (moulded, sawn, cored) or any shape. The test is suitable for specimens having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 40 mm. The test method is not applicable for concrete containing lightweight aggregate.
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