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Standard Values of Coefficients

The standard contains a number of coefficients, which can be adjusted in National annexes. The table provides description of individual coefficients, their values and corresponding artical of the standard. In some cases the formula contains a variable, which has no symbol in the standard -  in such a case the variable in the expression is denoted by X.

Coefficient

Value

Annotations

Article

γc

1,5

2.4.2.4

γs

1,15

2.4.2.4

αcc

1

3.1.6

αct

1

3.1.6

αcc,pl

0,8

12.3.1

αct,pl

0,8

12.3.1

k

1,5

12.6.3

ρmin

0,0013

9.2.1.1

X

0,26

9.2.1.1

ρmax

0,04

9.2.1.1

ρmin

0,002

9.5.2

X

0,1

9.5.2

ρmax

0,04

9.5.2

X

0,18

6.2.2

νmin

-

6.2.2

X

0,5

6.2.2

ν

-

6.2.2

cotg θmin

1

6.2.3

cotg θmax

2,5

6.2.3

National Annex Czech Republic (CSN EN 1992-1-1 - 2010)

Coefficient

Value

Annotations

Article

αct,pl

0,7

12.3.1

other values ​​are standard

National Annex Slovakia (STN EN 1992-1-1 - 2008)

all values ​​are standard

National Annex Poland (PN EN 1992-1-1 - 2008)

Coefficient

Value

Annotations

Article

γc

1,4

2.4.2.4

cotg θmax

2,0

6.2.3

other values ​​are standard

National Annex Norway (NS EN 1992-1-1 - 2004)

Coefficient

Value

Annotations

Article

αcc

0,85

3.1.6

αct

0,85

3.1.6

other values ​​are standard

EN 1992-2 - 2007

Coefficient

Value

Annotations

Article

αcc

0,85

3.1.6

other values ​​are standard