AISI S212-07 PDF

AISI S—07 () AISI STANDARD North American Standard for. Cold- Formed Steel Framing— Header Design Edition (Reaffirmed ). Revision. AISI S Header Design *. – AISI S Lateral AISI S Prescriptive Method for One and Two . G, Using Chapter F of the NA Specification for the. The Standard for Cold-Formed Steel Framing – Header. Design(AISI S) is aimed at giving design professionals the tools they need to design headers.

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Also, for ease of use, S contains a section reference table between the S provisions and the previous provisions Table 2. This appendix contains requirements for the determination of the rotational stiffness that structural sheathing provides to framing members to facilitate the design for distortional buckling.

The truss component structural performance load test and full-scale truss confirmatory test methods, previously included in AISI S, are provided in this appendix. The other standards addressed such topics as a code of standard practice, the definition of standard product, and prescriptive design for residential applications. This new chapter lists applicable AISI test standards for cold-formed steel framing members, connections, and systems. This computational method is applicable for walls sheathed with steel sheet.

This document is intended to serve only as an educational tool. This limitation has been eliminated from AISI S; however, it should be remembered that mils is still the maximum thickness of standard products in the United States and 97 mils 0.

It outlines the scope, which is for design and installation of cold-formed steel framing of a floor and roof systems, b structural walls, c shear walls, strap braced walls, and diaphragms to resist in-plane lateral loads, and d trusses for load-carrying purposes in buildings. These applications include wall, floor and roof framing in a number of building types.

This new exception provides for a more economical built-up member, as is often used as a jamb stud or shear wall boundary member. This chapter contains design, manufacturing quality criteria, and installation requirements for cold-formed steel trusses as previously included in AISI S The use of ASTM E results in higher nominal shear strength values as compared with the cantilever test method historically used for steel deck diaphragms.

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Therefore AISI extended its standards development activity to support the growing needs of the cold-formed steel framing industry. For curtain wall systems, the standard now permits the use of the bracing combination of sheathing attached to one side of the wall stud and discrete bracing for the other flange Figure 1. The simple reason is, it was easier to develop small single-topic documents versus a more comprehensive multi-topic document. First Name Last Name. Print this Page Design Documents.

The exception applies where the built-up section is seated properly wisi a track, and the top and bottom end bearing detail of the studs consists of a steel or concrete s212–07 with adequate strength and stiffness to preclude relative end slip of the two built-up stud sections. The scope was selected to provide coverage of the high volume application of cold-formed steel in light-framed construction.

This chapter provides installation requirements previously contained in the various framing standards. The commentary and explanatory aiso is identified by a vertical black line along the right margin. This article focuses on AISI S which applies to cold-formed steel structural members subject to gravity loading, wind loading, and seismic loading, except when specific seismic detailing is required.

From tothe AISI Committee on Framing Standards developed nine different framing standards to cover specific aspects of cold-formed steel framing.

Design Documents

These cold-formed steel 2s12-07 standards are available as free downloads at www. Powered by WordPress and the Graphene Theme. This has been an often asked question by framing design engineers. This method provides an alternative approach to determine the shear wall strength, especially for those that are outside the limitations of the tested systems. Additional explanatory language is also provided.

This newly developed chapter provides minimum requirements for quality control and quality assurance for material control and installation for cold-formed steel light-frame construction.

The list of these standards, as well as other excellent design guides, are provided.

Leave a Comment Click here to cancel reply. The ends of a built-up compression member are connected by a weld having a length not less than the maximum width of the member or by connectors spaced longitudinally not more than 4 diameters apart for a distance equal to 1. But, why would AISI develop six discrete framing aixi as opposed to one design manual? However, rather than x212-07 to the complexity of the AISI Specification, it was decided that a new family of standards should be developed.

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The previous design standards limited their application to framing members having a maximum base steel thickness to mils 0. This new standard includes design provisions for wall systems, floor and roof systems, lateral force-resisting systems, as s2122-07 as truss and header assemblies.

Design Documents » Wei-Wen Yu Center for Cold-Formed Steel Structures

Effective strip method model for steel-sheet sheathing. However, AISI S now incorporates an exception for a built-up axial load bearing section comprised of two studs oriented back-to-back forming an I-shaped cross-section.

Format defines design considerations. Six of these standards addressed the design of structural elements, such as general provisions, wall studs, floor joists, trusses, headers, and shear walls. Flexural Members Chapter E: The discrete braces are limited to not greater than 8 feet 2. The effective strip method is permitted to be s21207 within the following range of parameters:. Sheathing and discrete bracing. Although the AISI Specification had gained acceptance and s212–07 in widespread use, there were a number of design issues that were not adequately addressed for this emerging market.

Inthe manufacturing tolerance values were extended to the flange width and stiffening lip length. Yu, Wiley-Interscience Back to top.

AISI Cold-Formed Steel Standards are Offered Free of Charge for Downloading

ASTM C has historically stipulated manufacturing tolerances for cold-formed steel structural framing members. Aisu roof or floor diaphragms with a maximum aspect ratio of 4: Your message Submit Comment. Connection design is limited to primarily a discussion of screw connections. The method assumes a sheathing strip carries the lateral load via tension field action.

The document addresses the design for a C-shaped cross section as a flexural member and a compression member.