How does ideCAD control one-way slab design limits according to ACI 318-19?
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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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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 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 is are multiplied by (0.4 + fy/100,000).
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For nonprestressed slabs not satisfying 7.3.1, immediate and time-dependent deflection is calculated according to 24.2 and is does not exceed the limits in 24.2.2.
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It’s automatically designed according to Strength Reduction Factors per ACI 318-19 with ideCAD.
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