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Notations

V_Ed= Design value of the shear force
V_c,Rd = Design shear resistance
S = The first moment of area about the centroidal axis of that pOltion of the cross-section between the point at which the shear is required and thc boundary of the cross-section
I₌ Second moment of area of the whole cross section
t = Thickness at the examined point
f_y= Yield strength
Y_MO = Partial factor for resistance of cross-sections whatever the class is
τ_Ed = Design shear stresses

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6.2.6 Shear

Design of shear should satisfy Eq. 6.17.

For class 1 and 2:

Av, shear area, is taken into account as follows:

• For I and H sections:

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  body $$ \normalsize A - 2bt_f + (t_w + 2r) t_f $$

• for channel sections:

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  body $$ \normalsize A - 2bt_f + (t_w + r) t_f $$

For class 3 and 4:

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