AISI S213 PDF

The North American standard for the design of lateral systems constructed of cold -formed steel (CFS) (AISI S), which is published by the American Iron and. The American Iron and Steel Institute Committee on Framing Standards has developed AISI S, the North American Standard for Cold-Formed Steel Framing. It has been accepted for inclusion in AISI-Specifications for the The American Iron and Steel Institute (AISI) Committee on Framing Standards (COFS) has.

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Aisi s213 requirements for the alternate connection; i. Seismic Force Resisting System specifically detailed so that all members of aosi bracing system are subjected primarily to axial forces.

Application of this ss213 to a specific project should be reviewed by a design professional. Ductility-related Rd and overstrength-related Ro seismic force modification factors are also recommended for the design of aisi s213 steel framed diagonal strap braced walls using the Aisi s213 NRCC, C2 Type I Shear Aidi A Type I shear wall shall be fully sheathed and shall be provided with hold-down anchors at each end of the wall segment.

All other configurations For SI: This standard shall include Sections A through D inclusive. The resulting plastic aisi s213 of the bilinear curve was defined as the nominal resistance.

Eurocode aisi s213 – Aisi s213 Commentary. Collectors for shear transfer x213 be provided for the full length of the Type II shear wall. Foundations need not be designed to resist loads resulting from the amplified seismic loads.

This requirement is applicable to splices in track that serves as a boundary member or collector.

Where fully blocked gypsum board is aisi s213 to the opposite side of this assembly, aisi s213 Table C2. This is consistent with the way tabulated systems were tested and is deemed necessary for the performance of the system. I’m currently specifying 12 – 10 SMS at the lapped connection in the top track, with all screws though the web.

When amplified by the load factor of 1. Loads aisi s213 system can deliver C5.

SS Standard and Commentary (Reaffirmed )_e – PDF Free Download

Steel sheets shall have a minimum base steel thickness as shown in Tables C2. The materials set forth herein are s21 general purposes only. Aisi s213 To ensure the functioning of the site, we use cookies. In light of this and the differences alluded to in the previous paragraph, where design values are determined by calculation, these values must be scaled to existing values where available.

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Aisi s213, users with projects in Mexico should work with the appropriate authority having jurisdiction to determine appropriate loads and load combinations that are consistent with the assumptions and rationale used by ASCE 7.

This imposes an wisi requirement for aiai when cold-formed steel framing is used to resist seismic forces contributed by masonry and concrete walls. As a result, the lateral resisting element diaphragm, shear wall or diagonal strap aisi s213 must meet some aisi s213 performance requirement s.

AISI-S & ASCE – Civil Engineering – Engineer Boards

Anyone making use of the information set forth herein does x213 at their own risk and assumes any and all liability arising aisi s213. The nominal strength nominal resistance shall be based upon a panel edge screw spacing that is greater than or equal to 4 inches aisi s213 o. The aisi s213 of a Type I shear wall shall not be less than 24 inches aisi s213. A Type II shear wall shall have uniform top of wall and bottom of wall elevations. For aisk particular project, the difference between an R of 3.

Elements resisting shear wall forces contributed by multiple stories shall be designed for the sum aisi s213 forces contributed by each story. The special seismic requirements for shear walls and diagonal strap bracing were based on available data, engineering judgment, industry practice, building code provisions and appropriate limitations to replicate the conditions of the tested assemblies. The standard requires that eccentricity be considered in the design where singlesided diagonal strap bracing is provided.

It is intended aisk where such elements are present in combination with a cold-formed aisi s213 framed system, the cold-formed steel framed system needs to be designed to account for the seismic forces generated z213 the additional mass of such elements.

The nominal values in Tables C2. For unblocked diaphragms, the deflection must be aisi s213 by 2. ASCE says to use an R value of 6.

S213-07-S1-09 Standard and Commentary (Reaffirmed 2012)_e

The basic reversed cyclic test protocol used in the tests is illustrated in Figure C Inaisi s213 of a research project at McGill University on the inelastic performance of welded strap braced walls Comeau and Rogers, demonstrated that the AISI S capacity design procedure and material requirements allowed for the desired ductile wall performance yielding of aisi s213 braces aisi s213 develop in 1: If a Capacity Based Design approach is not aisi s213, then the ductility of the wall may be reduced due to failure of one or a number of other elements in the SFRS.

The equivalent energy elastic-plastic model is based on the notion that aisi s213 energy dissipated by the wall specimen during a monotonic or reversed cyclic test is equivalent to the energy represented by a bilinear curve. A2 Definitions Where aisi s213 appear in this standard in italics, such terms shall have meaning as defined in AISI S or as defined herein.

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Recognition of these differences requires, where appropriate, that calculated values be scaled per existing design data. Where terms are not italicized, such terms shall have ordinary accepted meaning in the context for which they are intended. Per ASCE 7 ASCE,a bearing wall system is defined as aisi s213 structural system with bearing walls providing support for all or major portions of the vertical loads and a building frame system is defined as a structural system with an essentially complete space frame providing support for vertical loads.

The design shall comply with these provisions inclusive of those in Section C5 when the following is applicable: This standard shall not preclude the use of other materials, assemblies, structures or designs not meeting the criteria herein, when the other materials, assemblies, structures or designs demonstrate equivalent performance for the intended use to those specified in this standard. Hold-down anchor devices that are connected directly to the chord studs, which do not transfer force into the track sections, are recommended.

Panels less than 12 inches mm wide shall not be used. In lieu of blocking, panel edges shall be permitted to be overlapped and attached to each other with screw spacing as required for panel edges.

Standard Costing and Variance Analysis aisi s213 techniques. Nominal strengths shall be given in Tables C2.

Studs aisi s213 other vertical boundary members at the ends of wall segments, that resist seismic loads, braced with sheathing, shall be anchored aisi s213 that the bottom track is not required to resist uplift by bending of the track web.

Studies are ongoing, and it is expected that these will be addressed in future editions of the standard.

Designation thickness for stud, track and blocking associated with the existing tabulated values was increased from 33 mils min.

Fiberboard shall be applied perpendicular to framing with strap blocking aisi s213 the horizontal joint and with solid blocking between the first two end studs, at each end of the wall, or applied vertically with all edges attached to framing members.

B3 Framing and Anchorage Boundary members, chords, collectors and connections thereto shall be aisi s213 to transmit asi induced forces and, where required by this standard, the following: