Testing of concrete - Method list

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Testing of concrete - Method list

The method list shows selected tests for fresh, hardening and hardened concrete. We can also carry out testing according to standards which are not specified in the list. In particular, the standards which are attached to DS/EN 206-1 Concrete – Part 1: Specification, properties, production and agreement and DS 2426 Concrete – Materials – Rules for the application of EN 206-1 in Denmark.  

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Fresh concrete

Testing method

Standard

Accr. 1)

Setting

DS 423.17
NT BUILD 197

+
+

Chloride content, fresh concrete

DS 423.19

+

Density, fresh concrete

DS/EN 12350-6
DIN 1048

+
+

Flow table

DS/EN 12350-3
DS/EN 12350-5

+
+

Air content, fresh concrete

DS/EN 12350-7
DIN 1048
ISO 4848

+
+
+

Sampling

DS/EN 12350-1

+

Slump

DS/EN 12350-2
ISO 4109

+
+

Spread

DS/EN 12350-5
DIN 1048

+
+

Water separation - bleeding

DS 423.18
NT BUILD 198

+
+

Vebe test

DS/EN 12350-3

+

Hardening concrete

Testing method

Standard

Accr.  1)

Autogenous shrinkage

TI-B 102

-

Sealant efficiency

TI-B 33

-

Premature creepage

TI-B 102

-

Splitting tensile strength over time (½, 1, 2, 3, 7, 14 and 28 days)

DS/EN 12390-6

+

Temperature expansion coefficient over time

TI-B 101

-

Compression strength and Young’s modulus of elasticity over time
(1/4, 1, 2, 3, 7, 14 and 28 days)

DS/EN 12390-3
og DS 423.25

-

Thermal change over time (haybox)

NT BUILD 388

+

Hardened concrete

Testing method

Standard

Accr. 1)

Pull-off test

NT BUILD 365

-

Chloride penetration, accelerated

NT BUILD 443

+

Chloride content, hardened concrete

TI-B 9
DS 423.28

+
+

Chloride permeability 2)

AASHTO T277-831
ASTM C 1202

+
-

Density

DS/EN 12390-7
NT BUILD 207
DIN 1048

+
+
+

Young’s modulus of elasticity

DS 423.25
NT BUILD 205
DIN 1048

+
+
+

Frost resistance 2)

SS137244 +
SS137245

+

Moisture determination, relative moisture across concrete

-

-

Capillary porosity 2)

TI-B 17

-

Air void analysis of hardened concrete

DS/EN 480-11
ASTM C 457

+
+

Microsilicon lumps

DS 423.36

+

Mortar analysis
(cement-lime mortar, composition)

NT BUILD 370

-

Splitting tensile strength

DS/EN 12390-6
DIN 1048

+
+

Structural analysis of hardened concrete (macro + micro)
- Inner stability
- Concrete composition
- Paste homogenity
- Paste and adhesion
- Compaction



DS 423.41
DS 423.42
DS 423.43
DS 423.44
DS 423.45



+
+
+
+
+

Temperature expansion coefficient

TI-B 101

+

Compression strength

DS/EN 12390-3
DIN 1048
NT BUILD 203
ISO 4012

+
+
+
+

Water vapour transmission

NT BUILD 369

-

Water penetration 2)

pr EN-ISO 7031
DIN 1048

+
+

Weight difference

DS 423.35

+

1) Carried out as accredited testing

2) Special requirement for sample size