Floor Bay Analysis Tool – With Vibration
This Floor Bay Analysis Tool has been developed by the Steel Joist Institute to assist the structural engineer of record with selecting optimal bay sizes and framing options. The tool provides several input options allowing for customization based on project criteria and designer preference as well as owner and code requirements.
The tool also includes the ability to evaluate floor vibration behavior for walking excitations. Standard joist seats may be used as well as the more beneficial bolted flush-framed joist end connections. If the user is not satisfied with the vibration results, the user can easily modify the original bay and reevaluate. Recommendations are presented to obtain better performance. The vibration analysis is based on AISC Design Guide 11 and SJI Technical Digest 5.
The latest version, V4.0, includes a check for floor natural frequency vibration.
Floor Bay Analysis V4.0 is available for free download. Complete the form or log in to your account to access this tool. SJI may notify you when updates are made to this design tool.
By downloading and using this tool you accept and agree to the SJI Disclaimer.
Technical Digest 5 Vibration of Steel Joist – Concrete Floors
The revised Technical Digest 5 will assist in determining the response of steel joist supported concrete slab framing systems subjected to human movement, including walking and rhythmic activities that cause floor vibrations. This 58-page publication was developed by Dr. Thomas M. Murray and Dr. Brad Davis and reviewed by the SJI Research and Engineering Practice Committees. The content was built on the historical work of Dr. Theodore Galambos, former Consulting Engineer to the Steel Joist Institute.