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Materials, Coefficients, Notation

The following notation for material parameters is used:

f 'c

-

specified compressive strength of concrete

Ec

-

modulus of elasticity of concrete at 28 days

fr

-

specified tensile strength of concrete

f y

-

lower characteristic yield strength of reinforcing steel

The most common notation for geometrical parameters:

b

-

cross-section width

h

-

cross-section depth

d

-

effective depth of cross-section

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