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Section 11.3 Shear Resistance of Beams

Included code sections - 11.2.8, 11.2.9, 11.2.10.2, 11.3.1, 11.3.3, 11.3.4, 11.3.5.1, 11.3.6.4, 11.3.8.1, 11.3.8.3, 11.3.10

Excluded code sections - 11.3.2, 11.3.5.2, 11.3.8.2

See "Concrete "Core" Determination".

For sections with multiple values of f ’c, the minimum f ’c is used.

In beams, transverse reinforcement consists of transverse reinforcement perpendicular to the axis of the member.

General equation 11-4 is used for all cases but vertical component of effective prestress force (Vp) is conservatively not included in the calculations.

In the determination of the effective concrete web width, the width of the shear core is considered, less the widths specified in accordance with 11.2.10.2.

Lightweight concrete is considered.

Minimum reinforcement is provided in accordance with 11.2.8 and equation 11-1.

The effective depth for shear is taken as the greater of 0.9d or 0.72h, where d is the distance from the extreme compression fiber to the resultant tension force.

The maximum spacing limits of 11.3.8.1 are applied.

If "beam" torsion design is selected, see "Section 11.3 Torsion Design"