Concrete floor systems are reinforced slab structures designed to satisfy a range of loading and span conditions in a building. Designed to span in either one direction (*one-way*) or both directions (*two-way*) of a structural bay, the range of concrete floor systems available are created to economically and efficiently account for the numerous and specific demands of each building project. During the design process, especially the initial planning stages of a project, the inherent expenses of concrete (30% cost), reinforcement (15% cost), and formwork (55% cost) should be considered and evaluated when choosing the appropriate concrete floor system for the building.

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Two-Way Concrete Flat Plate Floor System

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**Span (Conventional):** 10’-40’ | 3.05-12.19 m**Span (Post-Tensioned):** 18’-47’ | 5.49-14.33 m**Slab Depth:** 5.0”-14.0” | 12.7-35.6 cm**Slab Depth (Formula):** Span/33**Column Size:** 12.0”-32.0” | 30.5-81.3 cm

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

Two-Way Concrete Flat Plate Floor System plan, section, isometric

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Two-Way Concrete Flat Slab Floor System

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**Span (Conventional):** 10’-40’ | 3.05-12.19 m**Span (Post-Tensioned):** 13’-46’ | 3.96-14.02 m**Slab Depth:** 4.0”-14.0” | 10.2-35.6 cm**Slab Depth (Formula):** Span/36**Column Size:** 12.0”-24.0” | 30.5-61 cm**Drop Panel Width:** 1/3 Span Length (Minimum)**Drop Panel Depth:** .25 x Slab Thickness

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

Two-Way Concrete Flat Slab Floor System plan, section, isometric

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One-Way Concrete Band Slab & Joist Floor System

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**Span (Conventional):** 10’-36’ | 3.05-10.97 m**Span (Post-Tensioned):** 18’-60’ | 5.49-18.29 m**Slab Depth:** 9.0”-25.0” | 22.9-63.5 cm**Slab Depth (Formula):** Span/24**Column Size:** 12.0”-24.0” | 30.5-61 cm**Pan Width:** 20.0”-30.0” | 51-76 cm**Pan Depth:** 6.0”-20.0” | 15-51 cm

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

One-Way Concrete Band Slab & Joist Floor System plan, section, isometric

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Two-Way Concrete Slab & Beam Floor System

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**Span (Conventional):** 20’-50’ | 6.1-15.24 m**Slab Depth:** 5.0”-15.0” | 12.7-38.1 cm**Slab Depth (Formula):** Slab Perimeter/180**Column Size:** 12.0”-32.0” | 30.5-81.3 cm

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

Two-Way Concrete Slab & Beam Floor System plan, section, isometric

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One-Way Concrete Band Slab Floor System

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**Span (Conventional):** 12’-36’ | 3.66-10.97 m**Span (Post-Tensioned):** 24’-48’ | 7.32-14.63 m**Slab Depth:** 12.0”-24.0” | 30.5-61 cm**Slab Depth (Formula):** Span/24**Column Size:** 12.0”-24.0” | 30.5-61 cm

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

One-Way Concrete Band Slab Floor System plan, section, isometric

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One-Way Concrete Joist Slab Floor System

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**Span (Conventional):** 10’-40’ | 3.05-12.19 m**Span (Post-Tensioned):** 27’-80’ | 8.23-24.38 m**Slab Depth:** 9.0”-25.0” | 22.9-63.5 cm**Slab Depth (Formula):** Span/24**Column Size:** 12.0”-30.0” | 30.5-76.2 cm**Pan Width:** 20.0”-30.0” | 51-76 cm**Pan Depth:** 6.0”-20.0” | 15-51 cm

**Floor to Floor Height:** 10’-16’ | 3.05-4.88 m

Drawings include:

One-Way Concrete Joist Slab Floor System plan, section, isometric

Right Click and 'Save As' or 'Save Link As' to Download

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