Compression strength of concrete according to EN 1992-1-2 3.2.2.1 Table 3.1 is

fcdM) = kcM) fcd

fck ≤ 50 MPa

For concrete with Siliceous aggregate:

1590673707088-290.png

For concrete with Calcareous aggregate:

1590674144600-160.png

For concrete according to DS 2426 (Danish Siliceous and Danish Calcareous)

1590674184444-746.png

50 MPa < fck ≤ 60 MPa

1590674343713-539.png

60 MPa < fck ≤ 80 MPa

1590676463856-395.png

80 MPa < fck ≤ 90 MPa

1590676405422-980.png

Concrete modulus of elasticity

EcdM) = kcM)2 EcdM)

For cross-sections with flanges fcd and Ecd are determined for both the body and the flange(s). We use θM respectively for body and flange(s).

Norwegian annex

50 MPa < fck ≤ 60 MPa

1590677199105-725.png

60 MPa < fck ≤ 80 MPa

1590677242431-391.png

80 MPa < fck ≤ 90 MPa

1590677290265-847.png

Finnish annex

50 MPa < fck ≤ 90 MPa

1590677344144-667.png

Strain parameters εc1 and εcu1 for concrete exposed to fire, according to EN 1992-1-2, Table 3.1, are

Temperature [ºC]εc1εcu1
200,00250,0200
1000,00400,0225
2000,00550,0250
3000,00700,0275
4000,01000,0300
5000,01500,0325
6000,02500,0350
7000,02500,0375
8000,02500,0400
9000,02500,0425
10000,02500,0450
11000,02500,0475
12000,02500,0500

Danish annex

εcu3M) = εcu3 / kcM)

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PRE-Stress Documentation