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The minimum slab thickness is controlled and reported automatically according to Table 7.3.1.1.

For nonprestressed slabs not satisfying 7.3.1, immediate and time-dependent deflection is calculated according to 24.2 and is not exceed the limits in 24.2.


Symbols

h = overall thickness, height, or depth of member, in.
l = span length of beam or one-way slab; clear projection of cantilever, in.
fy = specified yield strength for nonprestressed reinforcement, psi


Design limits

Minimum Slab thickness

The minimum slab thickness is controlled automatically according to Table 7.3.1.1. If calculated deflection limits of 7.3.2 are satisfied, the minimum slab thickness condition does not controlled.

For fy other than 60,000 psi, the expressions in Table 7.3.1.1 is multiplied by (0.4 + fy/100,000).

Calculated deflection limits

For nonprestressed slabs not satisfying 7.3.1, immediate and time-dependent deflection is calculated according to 24.2 and is not exceed the limits in 24.2.2.

Reinforcement strain limit in nonprestressed slabs

It’s automatically designed according to Strength Reduction Factors.

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