CSA A23.3-14 Concrete Slab Resistance Design Software

This calculator is for Concrete Limit State Design (LSD) calculations according to CSA A23.3-14 for concrete slabs, walls and footings.

The following hypothesis apply when using this tool:

• Shear reinforcement in slab, wall or footing not included.
• Cracking moment and clause 10.5.1.1. inequation not included.
• The slab bearing at supports is not included.
• The slab is not subject to torsion or axial loads.
• Rebar anchoring at either end is and rebar splicing is not included.
• Nominal maximum size of coarse aggregate (a_g) is not less than 20 mm.
• Normal density concrete (λ = 1.0).
• Serviceability and crack control checks not included.
• Minimum cover distances for various expositions not included.
• Minimum rows or reinforcement in walls not included.
• Lightweight concrete not included (λ = 1.0).
• Fire resistance not included.

All inputs used in calculations are entered in the left column of the window labelled Input

• Enter the element category in the first dropdown menu. The category is used for minimum thickness checks and limitations on rebar spacing, among other things.
• Enter the slab properties (thickness and concrete strength) in the two following dropdown menus.
• Enter rebar dimension in the next dropdown. For plain concrete (no reinforcement), simply select none.
• For reinforced sections, enter rebar information in the following three dropdown menus (spacing, steel strength and concrete cover)
• Enter factored loads in the two last dropdown menus. Both flexural and shear loads must be factored linear (distributed) loads.