Calcolatore Disposizione Armatura Gratuito

Calcola la spaziatura e la disposizione delle barre di armatura per solette e fondazioni.

ft
ft
in
in

Bars Along Length

12

Bars Along Width20
Total Bars (both directions)32

Bars Along Length vs Slab/Wall Length

Formula

## Rebar Layout **Bars in One Direction = floor((Dimension - 2 x Offset) / Spacing) + 1** Rebar is placed in a grid pattern with bars running in both directions. The edge offset (typically 2 to 3 inches) keeps rebar away from the form edges for adequate concrete cover.

Esempio Risolto

20 x 12 ft slab, 12-inch spacing, 3-inch edge offset.

  1. 01Net length = 240 - 6 = 234 in
  2. 02Net width = 144 - 6 = 138 in
  3. 03Bars along length = floor(138/12) + 1 = 12
  4. 04Bars along width = floor(234/12) + 1 = 20
  5. 05Total = 12 + 20 = 32 bars

Domande Frequenti

What rebar spacing is standard for slabs?

Residential slabs typically use 12 or 18-inch spacing. Structural slabs and foundations may require 6 or 8-inch spacing. Check your structural drawings for the specified spacing.

How much concrete cover is needed over rebar?

For slabs on grade: 3 inches on the bottom. For walls: 1.5 inches. For exposed concrete: 2 inches. Cover protects rebar from moisture and corrosion.

Impara

How to Calculate Concrete Needed for Any Project

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