This publication is intended as a guide for designers of coldformed steel framing cfsf systems for buildings. Modern light steel framing systems use sections that are. Yet building with steel requires skills and knowledge likely to challenge even experienced wood framers. Many contractors have become so well acquainted with the. Light steel framing is also used in modules, although detailed guidance on modular construction is not within the scope of this publication, for guidance on modular construction see sci publication p3021 and ed0142. As such, the light gauge steel frame system is an attractive alternative for use in landed properties. Chapter 9 structural concept for light gauge steel. Light gauge steel frame construction is an innovative and reliable construction method which is broadly used in the world and has surpassed wood frame construction in many design and construction aspects. Rhino offers virtually any type of structural design required shown at left. Residential steel framing fire and acoustic details path partnership for advancing technology in housing is a new privatepublic effort to develop, demonstrate, and gain widespread market acceptance for the next generation of american housing. These details were developed by the light gauge steel engineers association lgsea for the north american steel framing alliance nasfa.
A general description of lightweight steel framing. Steel framing is engineered to take advantage of the physical properties of formed steel to provide strength where needed and as needed in the construction of buildings. Ask for naamm standard mlsfa 54087, lightweight steel framing manual, 3rd edition. They are intended to provide designers and contractors with guidance on design, detailing, and construction of lowrise residential buildings that utilize coldformed steel framing members. This new standard includes design provisions for wall systems, floor and roof. But, in 2015, these six aisi coldformed steel framing standards, aisi s200, s210, s211, s212, s2, and s214 references 1 to 6, were consolidated into a comprehensive multitopic standard, north american standard for coldformed steel structural framing, aisi s240.
Grading rules which conform with american softwood lumber standard, ps 20, provide for framing lumber. Wcd1 details for conventional wood frame construction. Written by tim waite, the acknowledged authority on. Chapter 10 construction method for light gauge steel frame system 10. Light steel framing design applied science international. Studs, plates, headers, rafters, girders, flooring and joists are all terms used to identify different components in framing. Cavity widths should be provided in accordance with manufacturers instructions and as specified by warrantee providers. This publication is intended as a guide for designers, specifiers and users of lightweight steel framing lsf. Steelcraft hollow metal and commercial steel doors, frames. Floor framing at wall projections 31 page chapter 6. Design and product specification lightweight steel framing design manual 2nd edition 2006. It is the logical complement to the lightweight steel framing design manual published in 1991 by the cssbi as a design guide for structural engineers.
Metal stud framing gypsum supply steeler construction. Light steel framing uses galvanized cold formed steel sections as the main structural components. Residential steel framing fire and acoustic details. This process enables steel manufacturers to produce light weight but high tensile steel sheets. Framing system manual and in the extra information items pdf available on the steel max web site au steel floor framing solutions complete packages for domestic floors, decks and additions stramit building products stramit and steel max building systems steel max now offer a strong, versatile, costeffective, diyfriendly. Metal lath steel framing association, now a division of national association of architectural metals manufacturers naamm, offers excellent information on steel framing that is readily available. Standard analysis and design procedures apply to coldformed steel design. Page 3 x1 roof trusses x1 flooring truss chord and web utilising open web bearers and joists the x1 framing system offers a versatile, tough by using high tensile zincalum steel truss chord and reliable solution for multistorey homes. The american iron and steel institute committee on framing standards has aisi developed aisi s240, north american standard for coldformed steel structural framing, to address requirements for construction with coldformed steel structural framing that are. Ssma framing details scafco steel stud company steel. Steel framing guide steel framing guide a n e a s y t o u s e g u i d e f o r s t e e l f r a m e c o n s t r u c t i o n introduction steel framing is a practical, code approved solution to many of the limitations that builders face today when using traditional building materials. Among others, light steel framing lsf is becoming an effective structural system. Structural frame rhino steel building systems, inc. John was a widely respected structural engineer for over.
Steel framing systems are perfectly positioned to meet construction industry demands they are future proof and future ready. Steel is a robust, rigid and dimensionally stable material that does. Coldformed steel framing design guide, second edition. Chapter 9 structural concept for light gauge steel frame system. Durability of light steel framing in residential building 2nd edition p262. The basi c steel members were of t wo typesa cshape and a uchannel or trackform ed from galvanized sheet steel by a process known as coldforming. This guide focuses specifically on the use of coldformed steel sfrs in buildings. Ceiling and roof framing 40 ceiling joists 40 flush ceiling framing 42 post and beam framing 42. Cfsf products include coldformed studs, joists, rafters, trusses and miscellaneous bracing and connection components. Steel is manufactured to strict tolerances, dimensionally stable in all climates and does not contain knots, twists, or warps. Structural concept for light gauge steel frame system bca. Light steel framing design using software examples for wind. Light gauge steel framing materials were used exclusively to construct the two demonstration homes.
The choice and installation of framing depends on a number of f actors. However, because cfs shapes often include elements with high widthtothickness ratios. As light steel framing lsf assemblies are only as strong as their weakest component, the steel network has developed products to provide designers and installers with tested, certified, and traceable materials for light steel framing assemblies. This process enables steel manufacturers to produce lightweight. Light steel framing in residential construction steelconstruction. An economical light gauge steel frame system is increasingly being used in america, europe, australia and new zealand. These methods are usually adopted to suit job conditions or to utilize equipment they have at their disposal. Equally important are height of the wall, the frame. Framing with steel has obvious advantages over wood. This results in buildings that are more solid, rigid, stronger, durable and easier to build. Steel framing guide steel framing guide a n e a s y t o u s e g u i d e f o r s t e e l f r a m e c o n s t r u c t i o n introduction steel framing is a practical, code approved solution to many of the limitations that builders face today when using. American iron and steel institute, coldformed steel framing design guide. In the case of steel framing, the crosssectional shape of the frame member, size and the thickness and grade of steel must be considered. Seismic design of coldformed steel lateral loadresisting.
Lowrise residential construction steel framing alliance. The demonstrations provided an opportunity for participants and observers to experience steel framing and improve their understanding of steel frame construction. Six of these standards addressed the design of structural elements, such as general provisions, wall. This section provides the basic information needed by architects and engineers to make sure the member called for in 3 4. Wall framing 31 requirements 31 platform construction 31 balloon construction 33 window and door framing 34 endwall framing 36 interior walls 38 lath nailers 39 chapter 7. Aisi s40015 ws116, north american standard for seismic. Value and benefit assessment of light steel framing in housing p260. Chapter 10 construction method for light gauge steel frame system. The steel construction institute sci uk global steel expertise. Coldformed structural framing products technical design guide. Available equipment ingenious workmen have developed some very innovative methods of handling and transporting light gage steel framing.
Design guide for coldformed steel purlin roof framing system, 2009 edition with pdf errata 612009 this design guide provides information on singlespan and continuous multiplespan steel purlinsupported roof systems with an emphasis on the design anchorage systems. Steel studs and joists lightweight steel framing cssbi. Ssma technical library chicago, il steel framing steel. This first edition of aisi s240, north american standard for formed steel structural framingcold, is dedicated to john p. Stratco x1 steel framing design manual pdf download manualslib.
North american standard for coldformed steel structural. The steel construction institute sci uk global steel. Best performance of wood frame buildings is obtained when the moisture content of framing lumber at the time the building is enclosed with sheathing and interior finish, is as close as possible to the condition it will reach in service. The steel framing alliance works to expand market share in the commercial and residential construction markets with an emphasis on growth potential of structural cfs framing in the midrise sector for offices, hotels, condos, apartments and other multifamily housing, university housing and similar buildings. Steel wall framing is erected in the same sequence as. Cfs light frame construction g50011, guidelines for inspecting cfs structural framing in low rise buildings g80012, astm standards for cfs g801, astm a1003 no cause for rejection g802, aisi section a2. For use in the preparation of a project specification section covering coldformed steel exterior wall studs, joists, trusses, field installed or shop fabricated and field erected. Publications on light steel framing and construction. From 2001 to 2012, the aisi committee on framing standards developed nine different framing standards to cover specific aspects of coldformed steel framing. Pdf durability of light steel framing in residential. Lightweight steel framing design manual 2nd edition 2006 this manual 232 pages was prepared to assist the practicing engineer to design lightweight steel framing lsf systems, and was written with a focus on the fundamental principles of cold formed steel design as they relate to lsf construction. The american iron and steel institutes online steel store has additional resources, such as design manuals, guides, and earlier versions of aisi s100, north american specification for the design of coldformed steel structural members, available for purchase. Aisi coldformed steel framing design guide, second edition page i. In the case of wood framing these include the species, size and grade of lumber used.
Framing is the process of connecting building materials together to create a structure. Coldformed steel lightframe constructions provide far better standards of sound. Examples of housing and residential buildings constructed using light steel framing are shown in figure 1. Although framing varies in detail between manufacturers, the general principles are the same for all systems. Metal stud framing gypsum supply steeler construction supply. This practical manual explains residential steel framing the techniques, tools, materials and procedures used by steel framing pros. Connection loads have been determined through structural testing based on guidelines set forth by the aisi specification. The steel framing industry association sfia offers webinars on cfs design. Framing, r603 steel wall framing and r804 steel roof framing. A diagram of load directions for each clip is located with the respective product load tables.
The details contained in this document are intended as a general guide for using steel stud manufacturers association ssma member products. This website also provides you with more detailed information about all of the companys products, including load and limiting heights tables for member sizes and configurations not contained in this printed manual. North american standard for coldformed steel structural framing. This light gauge steel frame is developed through a coldformed process without the use of heat. Formed steel structural systems special bolted moment frame, 2007s edition with supplement no. It offers several advantages such as buildability, strength, design flexibility, sustainability, and light in weight which makes it easy to handle and hence increase. This manual 232 pages was prepared to assist the practicing engineer to design lightweight steel framing lsf systems, and was written with a focus on the fundamental principles of cold formed steel design as they relate to lsf construction. Where the steel is installed in a cold frame environment low risk of water. As an advanced highperformance offsite solution, steel is not susceptible to shrinkage, warping, cracking, rot infestation or moisture absorption. Stratco x1 steel framing design manual pdf download. Steel floor framing solutions stramit building products. Studs may be either axiallyload bearing or nonaxially load bearing. Department of housing and urban development, nor the steel framing alliance, nor the nahb research center, inc.
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