Tech Note W102-21: Introduction to Curtain Wall Design using Cold-Formed Steel
Tech Note W102-21: Introduction to Curtain Wall Design using Cold-Formed Steel

Summary: A curtain wall can be defined as a non-vertically loaded exterior wall (aside for self-weight) support by the primary structural frame of the building. When it comes to cold-formed steel framing, this definition can encompass a great many possible assemblies and applications. This Technical Note discusses the various structural elements of a curtain wall system, and introduces the subjects of design loads and framing analysis.

This Technical Note updates and replaces CFSEI Tech Note W102-12

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 W103-23: Design of By-Pass Slip Connectors in Cold-Formed Steel Construction
Tech Note W103-23: Design of By-Pass Slip Connectors in Cold-Formed Steel Construction

This Tech Note Updates and Replaces Tech Note W103-11

Summary: A curtain wall can be defined as a non-vertically loaded exterior wall (aside from self weight) supported by the primary structural frame of the building. When it comes to cold-formed steel framing, this definition can encompass a great many possible assemblies and applications. This Tech Note discusses the various structural elements of a curtain wall system and introduces the subjects of Design Loads and Framing Analysis.

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 W104-23: Top Track Load Distribution Members
Tech Note W104-23: Top Track Load Distribution Members

This Tech Note Updates and Replaces Tech Note W104-10

Summary: When in-line framing is not adopted as the structural framing scheme, the top track must be relied upon to provide load distribution. This Technical Note explores design issues and provides design guidance for some of the typical top track load distribution members and systems.

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 W105-21: Design of Nonstructural Members
Tech Note W105-21: Design of Nonstructural Members

Summary: The AISI S220, North American Standard for Cold-Formed Steel Nonstructural Framing was developed in 2011 to help clearly delineate and eliminate confusion between the requirements for cold-formed steel structural members and nonstructural members. This Technical Note is intended as an introduction to this standard and as an illustrative guide for applying the provisions to the design of nonstructural members.

This Technical Note updates and replaces CFSEI Technical Note W105-13

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 W106-23: Design for Splicing of Cold-Formed Steel Wall Studs
Tech Note W106-23: Design for Splicing of Cold-Formed Steel Wall Studs

This Tech Note Updates and Replaces Tech Note W106-16

Summary: This Technical Note discusses design methods for the splicing of two cold-formed steel studs in a curtain wall or interior nonstructural wall condition. Splicing of wall studs may be required in the field to extend studs to the required length.

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 W200-23: Header Design
Tech Note W200-23: Header Design

This Tech Note Updates and Replaces Tech Note W200-09

Summary: AISI S240, North American Standard for Cold-Formed Steel Structural Framing provides provisions needed to design headers over door and window openings in buildings. AISI S240 Section B3.3 – Header Design reflects the appropriate design procedures for back-to-back headers, box headers, and Single, Double and Inverted L-headers subject to gravity loads or wind uplift loads. This Technical Note provides additional recommendations and design examples intended to supplement the AISI S240 header provisions.

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 W400-23: Mechanical Bridging and Bridging Anchorage of Axially Loaded Cold-Formed Steel Studs
Tech Note W400-23: Mechanical Bridging and Bridging Anchorage of Axially Loaded Cold-Formed Steel Studs

This Tech Note Updates and Replaces Tech Note W400-16

Summary: The purpose of this technical note is to provide a clear understanding of the design requirements and methods to laterally brace (bridge) axially loaded cold-formed steel stud walls.

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 W500-23: Construction Bracing for Walls
Tech Note W500-23: Construction Bracing for Walls

This Tech Note Updates and Replaces Tech Note W502-12

Summary: Temporary construction bracing may be necessary to assure structural stability of wall assemblies. This temporary bracing is required to resist loads imposed on a structure during construction. The purpose of this Technical Note is to provide design guidance.

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 W600-21: Cold-Formed Steel Load-Bearing Wall Design
Tech Note W600-21: Cold-Formed Steel Load-Bearing Wall Design

Summary: This Technical Note has been written to help cold-formed steel (CFS) engineers further their understanding of structural load-bearing CFS walls. Given the myriad of details required for such structures, the importance of proper design and analysis of load-bearing CFS members cannot be understated. This Technical Note will discuss the various design considerations that must be taken into consideration during the design phase of such structures.

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 W601-23: Design Methodology for Hole Reinforcement of Cold-Formed Steel Compression Members
Tech Note W601-23: Design Methodology for Hole Reinforcement of Cold-Formed Steel Compression Members

Summary: Cold-formed steel compression members, e.g., wall studs, are sometimes damaged inadvertently by other construction trades. An all-too-common damage is the cutting of large holes in either the flange or web elements of the cross section. In situations where the cross section of the cold-formed steel member has been compromised by the cutting of holes, the member must either be replaced or reinforced. This Tech Note discusses methodologies for engineering a reinforcement solution for a field cut hole in either the flange or the web element. The Tech Note presents a reinforcing concept to achieve the desired required strength of the section.

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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