I.S. EN 480-11:2005
Current
The latest, up-to-date edition.
ADMIXTURES FOR CONCRETE, MORTAR AND GROUT - TEST METHODS - PART 11: DETERMINATION OF AIR VOID CHARACTERISTICS IN HARDENED CONCRETE
Hardcopy , PDF
English
01-01-2005
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Equipment
5.1 General
5.2 Specimen preparation
5.3 Microscopical analysis
6 Specimen production and preparation
6.1 Specimen production
6.2 Preparation of test surface
7 Microscopic procedure
7.1 Basic procedure
7.2 Values recorded
8 Calculations
8.1 Data obtained
8.2 Total traverse length
8.3 Total air content
8.4 Total number of chords measured
8.5 Specific surface of the air
8.6 Paste: air ratio
8.7 Spacing factor
8.8 Micro-air content
8.9 Air void distribution
9 Test report
Annex A (informative) Theoretical basis of calculation
involved in Table 1
Annex B (informative) Worked example of the calculation of
air void distribution
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