Structures Congress 2019
Floor Design with SJI’s CJ-Series Composite Steel Joists
Publication: Structures Congress 2019: Buildings and Natural Disasters
ABSTRACT
Steel trusses are very efficient structural members. Steel trusses in this paper, commonly referred to as open web steel joists, can span long distances and support large loads relative to the weight of the steel joists. In the past 30 years research has been completed looking at the additional benefits associated with making the steel joists composite with the supported steel deck and concrete slabs. This paper outlines advantages for utilizing the Steel Joist Institute’s (SJI’s) CJ-Series composite joists, optimal joist spacing, suggested loading designations, typical vierendeel panel configurations and locations, calculation of a CJ-Series joists ultimate moment capacity, design of welded shear studs on CJ-Series joists, typical referenced UL fire ratings, methods for predicting floor vibration, SJI’s floor bay tool, and description of typical projects in the Boston, MA, area recently utilizing SJI CJ-Series joists.
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REFERENCES
AISC (American Institute of Steel Construction). (2017) Steel Construction Manual, 15thEdition, American Institute of Steel Construction, Chicago, IL.
AISC (American Institute of Steel Construction). (2016) Steel Design Guide 11, Vibrations of Steel- Framed Structural Systems Due to Human Activity, American Institute of Steel Construction, Chicago, IL.
Roddenberry, Michelle, Easterling, Sam, and Murray, Tom (2002), Behavior and Strength of Welded Stud Shear Connectors, Doctoral Dissertation, CE/VPI –ST02/05 Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA
SJI (Steel Joist Institute). (2007). Standard Specification for Composite Steel Joists, CJ-Series – Weight Tables and Bridging Tables, Code of Standard Practice, First Edition, Steel Joist Institute, Florence, SC.
SJI (Steel Joist Institute). (2015). Technical Digest 5, Vibration of Steel Joist – Concrete Slab Floors, Second Edition, Steel Joist Institute, Florence, SC.
SJI (Steel Joist Institute). (2017). https://steeljoist.org/product-category/design-tools/ (August 15, 2017)
SJI (Steel Joist Institute). (In press). Standard Specification for Composite Steel Joists, CJ-Series – Weight Tables and Bridging Tables, Code of Standard Practice, Second Edition, Steel Joist Institute, Florence, SC.
Information & Authors
Information
Published In
Structures Congress 2019: Buildings and Natural Disasters
Pages: 140 - 150
Editor: James Gregory Soules, McDermott International
ISBN (Online): 978-0-7844-8222-3
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Apr 22, 2019
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