Concrete Floor Systems

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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Concrete Floor Systems Guides
Browse through our curated Concrete Floor Systems Guides for additional categorizations, tips, details, variations, styles, and histories of Concrete Floor Systems. Guides provide additional insights into the unique properties and shared relationships between elements.

Concrete Floor Systems

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Two-Way Concrete Waffle Slab Floor System
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Span (Conventional): 25’-55’ | 7.62-16.767 m
Span (Post-Tensioned): 30’-80’ | 9.14-24.38 m
Slab Depth: 10.0”-29.0” | 25.4-73.7 cm
Slab Depth (Formula): Span/24
Column Size: 24.0”-40.0” | 61-101.6 cm

Dome Width: 19”, 30” | 48, 76 cm
Dome Depth: 8.0”-20.0” | 20-51 cm

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

Drawings include:
Two-Way Concrete Waffle Slab Floor System plan, section, isometric

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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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One-Way Concrete Slab & Beam Floor System
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Span (Conventional): 6’-20’ | 1.83-6.1 m
Span (Post-Tensioned): 13’-28’ | 3.96-8.53 m
Slab Depth: 4.0”-10.0” | 10.2-25.4 cm
Slab Depth (Formula): Span/30
Column Size: 12.0”-32.0” | 30.5-81.3 cm

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

Drawings include:
One-Way Concrete Slab & Beam 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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