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Info
  • Slab thickness is detemined by user.

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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

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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 is not controlled.

Support Condition

Minimum slab thickness, h

Simply supported

l/20

One end continuous

l/24

Both ends continuous

l/28

Cantilever

l/10

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

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It’s automatically designed according to Strength Reduction Factors per ACI 318-19 with ideCAD.

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