Tech Note B010-21: Introduction to AISI S202, Code of Standard Practice for Cold-Formed Steel Structural Framing
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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.
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Tech Note B009-20: Structural Versus Nonstructural Cold-Formed Steel Framing
Summary: This Tech Note defines structural and non-structural cold-formed steel framing. It lists code definitions that can be used to categorize framing in question.
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 551e: Design Guide: Permanent Bracing of Cold-Formed Steel Trusses
Summary: Prefabricated and site fabricated cold-formed steel trusses have proven to be efficient and structurally-sound roof structures. While roof trusses are the major component of the structural roof system, permanent bracing is also required to complete the system and ensure that it performs as designed. In this Tech Note, the basic requirements and design parameters for permanent bracing of cold-formed steel roof systems will be reviewed.
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 L001-10: Design of Diagonal Strap Bracing Lateral Force Resisting Systems for the 2006 IBC
Summary: This Technical Note is intended to discuss some of the design requirements, detailing and practical limitations of diagonal strap bracing design. Diagonal flat strap bracing is a commonly used type of lateral force resisting system in residential and low rise commercial cold-formed steel applications.
This Technical Note is an editorial revision of Technical Note L001-09.
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 F101-12: Screws for Cold-Formed Steel-To-Wood and Wood-To-Cold-Formed Steel Attachments
Summary: Screws are often used to attach cold-formed steel (CFS) framing to wood members or wood structural panel decking to CFS joists or rafters. The AISI North American Specification for the Design of Cold-Formed Steel Structural Members (AISI S100) provides design equations for screw connection capacity for CFS members. The National Design Specification for Wood Construction (NDS) provides design equations for fastener/connection capacity (nails, wood screws, bolts, etc.) in wood members. The Engineered Wood Association (APA) and the building codes offer several resources for determining the capacity of screw connections attaching wood sheathing. This Tech Note reviews these resources and discusses design and detailing of these fastener connections.
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 B004-20: Introduction to Cold-Formed Steel Framing Standards
Summary: The AISI Committee on Framing Standards was established in 1998 with a mission to eliminate regulatory barriers and increase the reliability and cost competitiveness of cold-formed steel framing in residential and light commercial building construction through improved design and installation standards. This Tech Note summarizes the efforts and work products of the Committee.
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 L200-09: Roof Framing Anchorage Forces: MWFRS or C&C
Summary: This Technical Note defines the two levels of force and discusses the effects of using Component and Cladding (C&C) loads versus Main Wind Force Resisting System (MWFRS) calculated uplift loads. Design examples are provided to indicate the difference in roof-to-wall anchorage force for either type of load. Mainstream reference standards and quotes from field experts are cited when discussing the appropriate levels for calculating the uplift forces.
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 G105-22: Compression Member Reinforcement
Summary: To modify the capacity of a compression member, e.g. wall stud or truss web, adding a reinforcement may result in a non-prismatic member. This Tech Note provides guidance to evaluate the strength of a non-prismatic compression member.
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.