Бетон (в т.ч. лёгкий и пористый бетон)

Concretes

	Feature	Method	Accre-ditation
1.	Testing fresh concrete
1.1	Sampling	EVS-EN 12350-1
1.2	Slump test	EVS-EN 12350-2
1.3	Density	EVS-EN 12350-6
1.4	Air content – Pressure method	EVS-EN 12350-7
2.	Testing hardened concrete
2.1	Making and curing specimens for strength tests	EVS-EN 12390-2
2.2	Compressive strength of test specimens	EVS-EN 12390-3	EAK
2.3	Flexural strength of test specimens	EVS-EN 12390-5
2.4	Tensile splitting strength of test specimens	EVS-EN 12390-6
2.5	Density of hardened concrete	EVS-EN 12390-7	EAK
2.6	Depth of penetration of water under pressure	EVS-EN 12390-8	EAK
2.7	Compressive strength of concrete	GOST 10180-90	EAK
2.8	Frost resistance of normal-weight concrete	EVS 814	EAK
2.9	Frost resistance of concrete (thawing in water)	GOST 10060.1-95
2.10	Frost resistance of concrete (thawing in brine)	GOST 10060.2-95
2.11	Frost resistance of aerated concrete	GOST 25485-89	EAK
3.	Testing concrete in structures
3.1	Compressive strength and density of cored specimens	EVS-EN 12504-1
3.2	Non-destructive testing – Determination of rebound number (using Schmidt hammer)	EVS-EN 12504-2

	Description	Method	Accre-ditation
1.	Clay roofing tiles for discontinuous laying
1.1	Determination of geometric characteristics	EVS-EN 1024
1.2	Flexural strength test	EVS-EN 538
1.3	Impermeability test	EVS-EN 539-1
2.	Concrete tiles and fittings
2.1	dimensions	EVS-EN 491
	bending strength
	frost resistance

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