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GEO5

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Materials, Coefficients, Notation

The following notation for material parameters is used:

Rbd

-

design strength of concrete in compression

Rbtd

-

design strength of concrete in tension

γu

-

coefficient of the shape of cross-section

z

-

lever arm (arm of internal forces)

Coefficient γu is given by equation (Art. 5.2.2):

The most common notation for geometrical parameters:

b

-

cross-section width

h

-

cross-section depth

he

-

effective depth of cross-section

z

-

lever arm (arm of internal forces)