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COLD FORMED STEEL FRAMING DETAILS HOW TO

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Appendix L has been added to provide a complete listing of the Cold-Formed Steel Engineers Institute (CFSEI) Technical Notes.

A new Example #5 has been added to illustrate the design of load-bearing framing using ledger framing.

The alternative parapet design using cantilevering HSS posts has been modified to reflect an approach with more flexibility for field installation.

Where warping torsion is checked, the provisions of Section C3.6 of AISI S100-12 are referenced.

The slide clip detail for connecting wind bearing studs has been modified to illustrate a clip more typical of modern construction.

Distortional buckling calculations have been added to Example #2.

The design examples have been revised to conform to the latest design standards including AISI S100-12 and AISI S240-15.

The load combination factors as required by ASCE/SEI 7-10 have been used including a 0.42 factor on wind for deflection calculations from IBC 2015 Table 1604.3, footnote f.

A cross-reference to the Framing Standards documents used in the previous edition of AISI D110, namely AISI S200, S210, S211, S213 and S214, is provided in Appendix K.

This edition of AISI D110 references AISI S240-15.

The design examples also show both screwed and welded connection details.

COLD FORMED STEEL FRAMING DETAILS HOW TO

The design examples are based on AISI S100-12, North American Specification for the Design of Cold-Formed Steel Structural Members, 2012 Edition, and show how to translate the information available in CFSF manufacturer's literature into complete structural systems. It provides a general review of the basic structural principles, and five comprehensive design examples, which cover wind bearing and axial load bearing stud walls, and joists. This Guide has been prepared to assist practicing structural engineers to design Cold-formed Steel Framing (CFSF) systems. Please allow 24-48 business hours for delivery. Documents are prepared M-F during regular business hours.

Please be sure to include an email address with your order. Bottom Flange Length: the distance between the interior surface of the section shape and the end of the bottom flange segment.ī1.The electronic version of this document will be placed in a Dropbox folder and the purchaser notified via email when it is available for downloading. Top Bend Length: The distance between the exterior surface of the top of the section shape and the end of the top bend segment.ī1. The cold forming process passes steel sheets between large rollers to deform the steel, but at a lower temperature than hot rolling. Middle Bend Length: the length of the interior surface of the middle bend segment. Cold formed steel framing (also called metal studs or lightweight steel framing systems) makes the steel shapes differently than the hot rolled structural steel. Bend Width: the distance between the left extremities of the section shape to the exterior surface of the middle bend segment. Outer Fillet: the radius of the outer corner fillet of a bend in a cold-formed steel section shape.ī2. Inner Fillet: the radius of the inner corner fillet of a bend in a cold-formed steel section shape. Fold Length: the distance between the exterior surface of the lip segment and the end of the fold segment. Lip Length: the distance between the exterior surface of the section shape and the end of the lip segment.ī1.

This is listed as a Structural Analysis family parameter. Principle Axes Angle: the rotational angle between the principle axes and cross section reference planes. Centroid Vertical: the distance from the centroid of the section shape to the lower extremities along the vertical axis.Īlpha. Centroid Horizontal: the distance from the centroid of the section shape to the left extremities along the horizontal axis. Outer Fillet: the radius of the outer corner fillet of a rectangular hollow structural section shape. Inner Fillet: the radius of the inner corner fillet of a rectangular hollow structural section shape. Wall Nominal Thickness: the average perpendicular distance between the inner and outer surface of the section shape. Wall Design Thickness: the perpendicular design thickness between the inner and outer surface of a section shape. Height: the external height of the section shape. Width: the external width of the section shape.