Concrete Floor - One-Way, Band Slab & Joist

Concrete Floor - One-Way, Band Slab & Joist

Pair of isometric and plan drawings of a One-Way Concrete Band Slab & Joist Floor System with spawn measurements
Description
Description

A one-way concrete band slab and joist system is an innovative structural approach employed in building construction. It consists of reinforced concrete slabs supported by wide beams, called band beams, and narrow, parallel joists. This arrangement allows for loads to be primarily transferred in one direction to the supporting columns.

The band slab and joist system is particularly advantageous for structures with irregular or non-orthogonal column grids, accommodating unique architectural elements. While the increased floor height and complex formwork may present challenges, this system delivers a versatile and robust solution that adapts to diverse structural and design needs.

Dimensions & Sizes
Dimensions & Sizes

One-Way Band Slab & Joist Concrete Floors are constructed in a range of sizes with conventional spans between 10’-36’ (3.05-10.97 m) and post-tensioned spans of 18’-60’ (5.49-18.29 m). Slab depths are typically between 9”-25” (22.9-63.5 cm) based on the span to depth formula of Span/24. Column sizes for One-Way Band Slab & Joist Concrete Floors are commonly 12”-24” (30.5-61 cm) with pan widths of 20”-30” (51-76 cm) and pan depths of 6”-20” (15-51 cm).

Section drawing of a One-Way Concrete Band Slab & Joist Floor System with dimensions for typical heights and depths
Section drawing of a One-Way Concrete Band Slab & Joist Floor System with dimensions for typical heights and depths
3D Model
3D Model
Common Questions
Common Questions
Perspective view of a 3D model of Concrete Floor (One-Way, Band Slab & Joist)Concrete Floor - One-Way, Band Slab & Joist
Details
Details

*Under Development*

Height:
9”-25” | 22.9-63.5 cm
Width:
10’-60’ | 3.05-18.29 m (Span)
Depth:
Length:
10’-60’ | 3.05-18.29 m (Span)
:
:
Weight:
Area:
:

Span (Conventional): 10’-36’ | 3.05-10.97 m
Span (Post-Tensioned): 18’-60’ | 5.49-18.29 m
Slab Depth (Formula): Span/24
Column Size: 12”-24” | 30.5-61 cm
Pan Width:
20”-30” | 51-76 cm
Pan Depth: 6”-20” | 15-51 cm
Floor to Floor Height:
10’-16’ | 3.05-4.88 m

Materials:
Reinforced concrete
:
:

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

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Concrete floor systems are reinforced slab structures designed to satisfy a range of loading and span conditions in a building. Concrete floor systems are designed to span in either one direction (one-way) or both directions (two-way) of a structural bay.

4”-10” | 10.2-25.4 cm
6’-28’ | 1.83-8.53 m (Span)
6’-28’ | 1.83-8.53 m (Span)
Concrete Floor - One-Way, Slab
25.400
853.000
853.000
8405
https://p3d.in/e/ZoAOs
GUIDE
3D
Concrete Floor - One-Way, SlabPerspective view of a 3D model of Concrete Floor (One-Way, Slab)Perspective view of a 3D model of Concrete Floor (One-Way, Slab)
4”-14” | 10.2-35.6 cm
10’-46’ | 3.05-14.02 m (Span)
10’-46’ | 3.05-14.02 m (Span)
Concrete Floor - Two-Way, Slab
35.600
1402.000
1402.000
8400
https://p3d.in/e/BowS7
GUIDE
3D
Concrete Floor - Two-Way, SlabView of Concrete Floor (Two-Way, Slab) in 3D available for downloadView of Concrete Floor (Two-Way, Slab) in 3D available for download
10”-29” | 25.4-73.7 cm
25’-80’ | 7.62-24.38 m (Span)
25’-80’ | 7.62-24.38 m (Span)
Concrete Floor - Two-Way, Waffle Slab
73.700
2438.000
2438.000
7450
https://p3d.in/e/1JpzY
GUIDE
3D
Concrete Floor - Two-Way, Waffle Slab3D model of Concrete Floor Two-Way, Waffle Slab viewed in perspective3D model of Concrete Floor Two-Way, Waffle Slab viewed in perspective
12”-24” | 30.5-61 cm
12’-48’ | 3.66-14.63 m (Span)
12’-48’ | 3.66-14.63 m (Span)
Concrete Floor - One-Way, Band Slab
61.000
1463.000
1463.000
725
https://p3d.in/e/ZKCmE
GUIDE
3D
Concrete Floor - One-Way, Band SlabView of Concrete Floor (One-Way, Band Slab) in 3D available for downloadView of Concrete Floor (One-Way, Band Slab) in 3D available for download
5”-14” | 12.7-35.6 cm
10’-47’ | 3.05-14.33 m (Span)
10’-47’ | 3.05-14.33 m (Span)
Concrete Floor - Two-Way, Plate
35.600
1433.000
1433.000
400
https://p3d.in/e/R3n2J
GUIDE
3D
Concrete Floor - Two-Way, Plate3D model of Concrete Floor (Two-Way, Plate) viewed in perspective3D model of Concrete Floor (Two-Way, Plate) viewed in perspective
4”-10” | 10.2-25.4 cm
6’-28’ | 1.83-8.53 m (Span)
6’-28’ | 1.83-8.53 m (Span)
Concrete Floor - One-Way, Slab & Beam
25.400
853.000
853.000
95
https://p3d.in/e/mIKv5
GUIDE
3D
Concrete Floor - One-Way, Slab & BeamView of Concrete Floor (One-Way, Slab & Beam) in 3D available for downloadView of Concrete Floor (One-Way, Slab & Beam) in 3D available for download
5”-15” | 12.7-38.1 cm
20’-50’ | 6.1-15.24 m (Span)
20’-50’ | 6.1-15.24 m (Span)
Concrete Floor - Two-Way, Slab & Beam
38.100
1524.000
1524.000
90
https://p3d.in/e/7Xeq5
GUIDE
3D
Concrete Floor - Two-Way, Slab & BeamPerspective view of a 3D model of Concrete Floor (Two-Way, Slab & Beam)Perspective view of a 3D model of Concrete Floor (Two-Way, Slab & Beam)
9”-25” | 22.9-63.5 cm
10’-60’ | 3.05-18.29 m (Span)
10’-60’ | 3.05-18.29 m (Span)
Concrete Floor - One-Way, Band Slab & Joist
63.500
1829.000
1829.000
25
https://p3d.in/e/DzI4q
GUIDE
3D
Concrete Floor - One-Way, Band Slab & JoistPerspective view of a 3D model of Concrete Floor (One-Way, Band Slab & Joist)Perspective view of a 3D model of Concrete Floor (One-Way, Band Slab & Joist)
9”-25” | 22.9-63.5 cm
10’-80’ | 3.05-24.38 m (Span)
10’-80’ | 3.05-24.38 m (Span)
Concrete Floor - One-Way, Joist Slab
63.500
2438.000
2438.000
25
https://p3d.in/e/6Qp04
GUIDE
3D
Concrete Floor - One-Way, Joist Slab3D model of Concrete Floor (One-Way, Joist Slab) viewed in perspective3D model of Concrete Floor (One-Way, Joist Slab) viewed in perspective