AISI S213-07 PDF

(This document is an excerpt from AISI S North American Standard for Cold Formed Steel Framing – Lateral. Design for convenience only, and should be. Documento 8 – AISI S Standard and Commentary – Committee Use (11!27! 07) – Download as PDF File .pdf), Text File .txt) or read online. AISI S/S ().iv Steel Framing Alliance and the Canadian Sheet Steel Building Institute. North American Standard For Cold-Formed Steel Framing .

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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.

This new standard includes design s2213-07 for wall systems, floor and roof systems, lateral force-resisting systems, as well as truss and header assemblies. This method provides an alternative approach to determine the shear wall strength, especially for those that are outside the limitations of the tested systems.

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. For roof or floor diaphragms with a maximum aspect ratio of 4: Effective strip method model for steel-sheet sheathing. ASTM C has historically stipulated manufacturing tolerances for cold-formed steel structural framing members. But, why would AISI develop six discrete framing standards as opposed to one design manual?

The other standards addressed such topics as a code of standard practice, the definition of standard product, and prescriptive design for residential applications. The discrete braces are limited to not greater than 8 feet 2. This chapter contains design provisions for cold-formed steel framing members and assemblies, as previously included in AISI S, S, S, and S Beneficial for the design engineer is a new Effective Strip Method that enables the calculation of the nominal in-plane shear wall strength for Type I shear ss213-07 Figure 2.

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The exception applies where the built-up section is seated properly in a track, and the top and bottom end bearing detail of the studs consists of a steel or concrete support s231-07 adequate strength and stiffness to preclude relative end slip of the two built-up stud sections.

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

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. This has been an often asked question by framing design engineers.

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. This chapter provides installation aisl previously contained in the various framing standards. The method assumes a sheathing strip carries the lateral load via tension field action.

Section reference table S and previous standard.

Free CFS Publications from the AISI/SMDI Construction Market Council –

Inthe manufacturing tolerance values were extended to the flange width and stiffening lip length. 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. This chapter contains design, manufacturing quality criteria, and installation requirements for cold-formed steel trusses as previously included in AISI S Sheathing and discrete bracing. The truss component structural performance load test and full-scale truss confirmatory test methods, previously included in AISI S, are provided in this appendix.

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. This computational method is applicable for walls sheathed with steel sheet. 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.

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Free CFS Publications from the AISI/SMDI Construction Market Council

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. 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. Leave a Comment Click here to cancel reply.

The previous design standards limited their application to framing members having a maximum base steel thickness to mils 0. Also, for ease of use, S contains a section reference table between the S provisions and the previous provisions Table 2. The chapter also includes:. This new exception provides for a more economical built-up member, as is often used as a jamb stud or shear wall boundary member. Six of these standards addressed the design of structural elements, such as general provisions, wall studs, floor joists, trusses, headers, and shear walls.

The simple reason is, it was easier to develop small single-topic documents versus a more comprehensive multi-topic document. First Name Last Name. The effective strip method is permitted to be used within the following range of parameters:.

From tothe AISI Committee on Framing Standards developed nine different framing standards to cover specific aspects of cold-formed steel framing. These cold-formed steel framing standards are available as free downloads at www. Your message Submit Comment.

This new chapter lists applicable AISI test standards for cold-formed steel framing members, connections, and systems. Format defines design considerations.

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