editions of the Specification developed by AISI and CSA. AISI: for example, this Specification will be referred as AISI S, where the last. AISI SSERIES FRAMING STANDARDS BUNDLE. This bundle includes 11 documents. (Download). AISI S/S (). AISI S AISI. AISI-S General requirements for residential and commercial construction, prescriptive and engineered design. Examples include member identification.

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This computational method is applicable for walls sheathed with steel sheet. 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. This chapter contains design, manufacturing quality criteria, and installation requirements for cold-formed steel trusses as previously included in AISI S 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. This new chapter lists applicable AISI test standards for cold-formed steel framing members, connections, and systems.

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This chapter provides installation requirements previously contained in the various framing standards. It outlines the scope, which a200-07 for design and installation of cold-formed steel framing of a floor and roof systems, b structural aisii, c shear walls, strap braced walls, and diaphragms to resist in-plane lateral loads, and d trusses for load-carrying purposes in buildings. The previous design standards limited their application to framing members having a maximum base steel thickness to mils 0.

Leave a Comment Click here to cancel reply. The other standards addressed such topics as a code of standard practice, the definition of standard product, and prescriptive design for residential applications.


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

This has s020-07 an often asked question by framing design engineers.

Your message Submit Comment. This appendix contains requirements for the determination of the rotational stiffness that structural sheathing provides to framing members to facilitate the design for s20-007 buckling.

The method assumes a sheathing strip carries the lateral load via tension field action. Beneficial for the design engineer is a new Effective 2s00-07 Method that enables the calculation of the nominal in-plane shear wall strength for Type I shear walls Figure 2.

But, why would AISI develop six discrete framing standards s200–07 opposed to one design manual? The effective strip ais is permitted to be used within the following range of parameters:. Sheathing and discrete bracing.

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. Also, for ease of use, S contains a section reference table between the S provisions and the previous provisions Table 2. The truss component structural performance load test and full-scale truss confirmatory test methods, previously included in AISI S, are provided in this ss200-07.

For roof or floor diaphragms with a maximum aspect ratio of 4: 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.

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

Inthe manufacturing tolerance values were extended to the flange width and stiffening lip length. The exception applies where the built-up section is seated properly asi a track, and the top and bottom end bearing detail of the studs consists of a steel aksi concrete support with adequate strength and stiffness to preclude relative end slip of the two built-up stud sections.


These cold-formed steel framing standards are available as free downloads at www. The discrete braces are limited to not greater than 8 feet 2. ASTM C has historically stipulated manufacturing tolerances for cold-formed steel structural framing members.

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

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.

Effective strip method model for steel-sheet sheathing.

The chapter also includes:. This chapter contains design provisions for cold-formed steel framing members and assemblies, as previously included in AISI S, S, S, and S Format defines design considerations. This new exception provides for a more economical built-up member, as is often used as a jamb stud or shear wall aiis member. Six of these standards addressed the design of structural elements, such as general provisions, wall w200-07, floor joists, trusses, headers, and shear walls.

Section reference table S and previous standard. 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. First Name Last Name.