Based on the provided reference, the typical spacing for steel frames, which are composed of beams and columns, is 20 or 25 ft (6.1 or 7.6 m).
Understanding Steel Frame Spacing
In steel frame construction, the main structural elements are often referred to as "frames". These frames typically consist of vertical columns and horizontal beams (or rafters in a sloped roof). The distance between these main frames is a crucial design parameter, impacting the span of secondary structural members and the overall building layout.
The reference specifies the "typical spacing of frames," which directly answers the question about the distance between these primary steel beam-and-column assemblies.
- Typical Spacing: The standard distances mentioned are 20 ft (6.1 m) and 25 ft (7.6 m).
Variations in Spacing
It's important to note that these figures represent typical spacing. The actual distance can vary depending on several factors:
- Building Design and Load Requirements: Heavier loads or specific architectural designs might require closer spacing.
- Secondary Member Spans: The distance between frames dictates the required span and size of secondary beams or purlins that connect them.
- Manufacturer Specifications: As the reference states, for "variations on the rigid frame system, or for sizes outside the range of those shown... consult with individual manufacturers."
Typical Steel Frame Spacing
Here is a summary of the typical distances provided in the reference:
| Measurement System | Typical Spacing |
|---|---|
| Imperial | 20 ft or 25 ft |
| Metric | 6.1 m or 7.6 m |
Application in Construction
The spacing of steel frames is a fundamental aspect of building design. This spacing affects:
- The number of frames required for a given building length.
- The design of the foundation system.
- The layout and support of roofing and wall systems.
For custom requirements or non-standard frame systems, always consult with the steel frame manufacturer or a structural engineer to determine the appropriate beam spacing.
