Tech Note B005-20: Introduction to Cold-Formed Steel Framing Design Aids
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Summary: Both steel industry and manufacturers’ associations provide design aids that assist engineers with the proper application of the cold-formed steel design challenges. Design examples and design aids are essential to educate an engineer in the proper use and design of cold-formed steel members, connections and assemblies. This Tech Note provides an overview of some of the available cold-formed steel framing design aids.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
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Tech Note G101-08: Design Aids and Examples for Distortional Buckling
Summary: The objective of this Tech Note is to provide design examples and design aids specific to cold-formed steel framing systems that address the new distortional buckling limit states added to AISI-S100 in the 2007 edition. In addition, a method is provided for including rotational restraint, provided by sheathing to members, in the design calculations for distortional buckling. This method has been proposed for the next edition of AISI-S210 (floors and roofs) and AISI-S211 (walls studs) standards and partially mitigates the reduced capacity in the distortional buckling limit state.
Note: This document was originally published as G100-08, corrected to G101-08 in April 2011.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note G801-13: ASTM A1003 – No Cause for Rejection
Summary: Building codes and design standards that reference ASTM International (ASTM) A1003 standard for cold-formed steel framing products have the potential to cause confusion and project delays for those who are unfamiliar with the requirements of this new material standard. This Technical Note, first published in 2008, provides a comparison of the requirements of A1003 with the more familiar standards traditionally used for cold-formed steel framing products, and demonstrates that steel ordered or furnished to the old standards should be no cause for rejection. The 2013 revision references a change to the requirements of ASTM A1003 regarding material thickness when ordering or supplying steel sheet.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note S200-20: Design of Cold-Formed Steel Systems for Raised Platforms, Stages and Theater Seating
Summary: It is common for cold-formed steel (CFS) to be used in the construction of raised platforms, stages, and theater seating. It is the intent of the Technical Note to provide an overview of considerations to address when designing such framing, along with some design examples.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note B010-21: Introduction to AISI S202, Code of Standard Practice for Cold-Formed Steel Structural Framing
Summary: Understanding the responsibilities of the different parties involved in a cold-formed steel framing project can be confusing. This Technical Note is an introduction to AISI S202, Code of Standard Practice for Cold-Formed Steel Structural Framing published by the American Iron and Steel Institute (AISI).
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note F102-21: Screw Fastener Selection For Cold-Formed Steel Frame Construction
This Technical Note updates and replaces CFSEI Tech Note F102-11
Summary: Specifying the proper fastener is necessary to assure the proper performance of the connections used in cold-formed steel construction. Cold-formed steel connections primarily utilize externally threaded fasteners, so embedment is not the controlling parameter. Instead, the design of the fastener along with the thickness of the steel govern the value of the connection. This Tech Note provides basic information for determining the appropriate screw type for various applications.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note 562-22: Powder-Actuated Fasteners in Cold-Formed Steel Construction
This Technical Note updates and replaces Tech Note 562
Summary: Power-actuated fasteners (PAF’s) are industry standard for attachment of cold-formed steel (CFS) steel framing members, usually track, to concrete, CMU or steel structural elements. “Power-actuated” is the broad category used to refer to fasteners which are driven directly through the CFS and into the substrate, using a powder, gas, compressed air or electro-mechanically driven tool. Efficient installation of framing systems is greatly enhanced by the use of PAF’s. For CFS-to-steel applications, the specification AISI S100 addresses all relevant limit states with equations and safety/ resistance factors. For CFS-to-concrete, limited guidance is provided but not all limit states are covered. This technical note will provide design guidance based on AISI S100, as well as installation and good detailing practice.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note B007-20: General Considerations for Cold-Formed-Steel Connections
Summary: Cold-formed steel (CFS) connections present unique design challenges to consider due to the thickness of the steel. Connections with thin steel materials behave differently than connections with thicker hot-rolled steel materials and are prone to unique limit states. This Technical Note is an introduction to typical CFS connection design issues as defined by common limit states.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.
Tech Note G000-08: Cold-Formed Steel Design Software
Summary: This Tech Note gives basic information about computer programs available for the design of cold-formed steel framed buildings, structures, and structural elements. It is not necessarily a comprehensive list, but is based on the best available information to the CFSEI at the time of publication. It is not intended to endorse or exclude any particular software program.
Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.