Tech Note D100-23: Corrosion Protection of Fasteners
$5.00
This Tech Note Updates and Replaces Tech Note D100-13
Summary: Moisture, airborne chemicals and pollutants can all combine to reduce the life of ferrous fasteners through corrosion. This Technical Note examines the corrosion process, available fastener finishes, methods of measuring corrosion and the relative durability of fastener finishes.
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 558b-1: Lateral Load Resisting Elements: Diaphragm Design Values
Archived with cover page Nov. 2011
Summary: This note was archived November, 2011. The author has developed ASD design tables using an analytical method for wood framing based on the provisions of the 1991 edition of the AFPA National Design Specification for Wood Construction. Additional research is needed to bring the data in line with current codes and standards. The data below is from commentary section D2.1 of American Iron and Steel Institute AISI 213, Standard for Cold-Formed Steel Framing – Lateral Design.
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 L000-08: Changes from the 1997 UBC to the 2006 IBC for Lateral Design with Cold-Formed Steel Framing
Summary: The intent of this document is to highlight the changes to the cold-formed steel framing lateral design provisions in the 2006 International Building Code, which has adopted the AISI 2004 Standard for Cold-Formed Steel Framing – Lateral Design, in comparison to the cold-formed steel framing lateral provisions in the 1997 Uniform Building Code.
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 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 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.
Tech Note FC101-22: Design of Cold-Formed Steel Rim Track
Summary: Cold-formed steel floor, roof, soffit, and ceiling joists are widely used in commercial applications. End of the joist rim track is an important component of many floor/roof/ceiling/soffit systems used to transfer load from the joist to another component of the structure. This Technical Note provides an overview of different rim track applications and how each is designed.
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 L002-23: Strap Braced Wall: Loose Strap Considerations
Summary: Strap braced walls are a common means of providing lateral stability for cold-formed steel load-bearing structures. Discussed in this technical note are causes of loose straps, potential stability implications as well as potential means of remediation.
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 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.