Produced using g90 galvanized steel, z purlins can be lapped creating more. The new section range offers complete compatibility between zed and cee sections sizes. A range of purlin sections designed to suit all types of modern roof. Hole punching of zee purlins could be customized or as per gb standards in china. Z and c members are shop punched for simple field bolted connections. Section profiles and dimensions are included along with load tables, structural properties, detailing information and typical construction details. Galvanized structural z purlins for steel structural. Exfacta purlin design software offers quick design and cost savings. Stramits performanceenhanced purlins and girts make light work of the most.
Cold formed steel sectionsi there is almost no limit to the type of cross section that can be formed. Precisionplus and precisionplus lite are integrated metal building software systems which design, detail, cost and plot metal buildings with welded plate builtup or mill mainframes. Warning do not substitute standard purlins from donovans or other manufacturers for designs based on this manual. Design of a zshape cold formed girt structural engineering.
Aisc structural shapes properties viewer engineers edge. The first letter indicates the shape of the section, either z or c, this is followed by five numbers, the first three indicating the nominal depth of the web, the last two indicating the base metal thickness. North american specification, the following improvements or additions have been made. Section properties taken from tables or software databases should be checked by hand calculation or other independent means. The following webpage tool gives you access to aiscs structural steel shapes in the u. Hispan design software download our latest en software written by the steel construction institute or the. You need to purchase the aisi north american specifcations for the design of cold formed steel structural members. For sections outside this range please contact your local stramit office. Zfurring must be installed vertically with the 34 flange against the substrate.
The r value for cold formed steel design is described in section i6. Ly g pro c edth is mnua l peroduct us code prefix lsysaght zsed gzeneral purpose purlins and girt lsysaght csee gceneral purpose. They have the same loading characteristics of metal z girt at similar depths, and they have a class 1 fire rating, as well as ul94 v0 and astm e84 ratings. Computer design of coldformed c and zsection purlins. Green girt includes a builtin universal wall cladding. All stramit exacta c or z purlins and girts may be.
The products are formed from hot dipped galvanised steel coil to bs en 10147 fe e350g z275. Since the introduction of the unified approach to the design of coldformed steel members, rsg software has been providing engineers with software to improve design productivity, increase accuracy, and result in more cost effective solutions. The following table lists all the purlin and girt sections within the fielders range. The uneven flanges allow the sections to be lapped to permit structural continuity, a factor that contributes significantly to building economy. They are mainly used for roof and wall purlins instead or hot rolled isections or u. Lappable z sections alternative bays downturn lip c section nestable c section box configuration standard z section uneven flange t b l l d t e f l l d t f e l l. Metal lath should be installed perpendicular to the zfurring. Lindabs zpurlins are an excellent choice for roof and wall purlins and high walls. Learn more about rsg software and the cfs software products. Reference of z section reference of the height of z section 232 mm and thickness 1. Such structures would be underdesigned and may be unsafe. Why do you need a section property analysis application. Taking its name from its shape, the z purlin is a light weight perpendicular steel member used to support loads from roof panels and are supported by building rafters.
The section reference of a zsection 232mm deep and 1. H purlins are used as roof purlins, wall purlins or, for example, as truss chords. West bromwich albion sections 2 albion road west bromwich west midlands b70 8bd. This saves 30 50% of steel in purlins relative to c section purlins. All sections shall be produced from either galvanised steel to. Here you can download the model of a steel hall with coldformed zsections as purlins and open it with the framework program rstab. Shapes other than standard c section and standard z section may be subject to minimum order requirement. Termo purlins have a lower thermal transmittance thermal bridges eliminated by up to 90% and higher acoustic parameters than other purlins.
Last two characters designate the section thickness 18 is equal 1. Purlin and side rail tables have bean calibrated following extensive full scale testing undertaken at birmingham. The s450 section properties and load span table brochure presents load span capacities for albion sections eaves beam, purlin and side rail systems. Specify punched for boltup application or unpunched for weldup. The fourth digit is a letter that signifies the profile type ie c for csection. This value only applies to c or z members and can vary from 0. The section reference of a z section 232mm deep and 1.
The fourth digit is a letter that signifies the profile type ie z for z section. C shaped wall girts may be used for framed openings and other special applications. Gypsum wallboard may be installed parallel or perpendicular to the zfurring. Albion sigma purlin, z purlin, z and c cladding rails, c section floor beams and eaves beam. Design of a zshape cold formed girt hokie66 structural 16 aug 14 18. Coldformed c and z section purlins are typically used in roof and wall systems to support sheeting. Z and c sections have an easy to understand coding system. Section properties 68 suspended loads 8 local pressure zones 8 purlin spacing 9 span configurations 9 capacities 9 design capacity tables 1023 design rulesassumptions 2223 bridging positions 24 girt bridging capacity 2426 laps 26 bolts 26 holes 26 fascia purlins 26 cantilevers 26 rfactors 27 procurement 27 prices 27 lengths 27 accessories. Secondary structural steel members z purlins and girts. Canam steel building corporation cees, zees and eave struts are available in stock or custom lengths, 16 gauge through 12 gauge material.
Hispan design software download our latest en software written by the steel construction institute or the existing bs version. A prefix letter for the section shape, and a number indicating the section depth in millimeters designates profiles. This tool is useful in the design process as a reference to determine the general availability, engineering design data of specific structural steel shapes. Purlins of this shape cannot normally be lapped and.
Z sections may be used over single spans, unlapped continuous, and lapped continuous spans. From table 1, it is obvious that thinner the section walls, the. For special projects,the size of holes,and number of holes and gauge lines could be modified by negotiation. The roll formed z section is often used as a wall girt or roof purlin in a structural system. For static design and calculations, use lindabs own developed software lindab structuraldesigner which you will find on lindabs website.
Design of a z shape cold formed girt hokie66 structural 16 aug 14 18. The fourth character designates the section type z for z section. C sections ideally suited to single, noncontinuous span construction. Section properties the section properties given in tables 6, 7 and 8, 9 are. For example, a z15015 is a z section, 152mm in depth and 1. Section properties for different purlin configurations can be found in the downloadable manual. General properties section properties section weight kgm d mm t mm a mm b mm c mm lx defl cm4 sxt cm3 sx b cm3 sxet cm3 sxeb cm3 rx cm ly cm4 sy cm3 ry cm z 12215 2. Cufsm crosssection elastic buckling analysis constrained. When additional purlin strength is required, z section purlins of the same depth but greater thickness can be lapped as needed. The type of fastener and spacing will vary based on application.
In table 1 hot rolled and cold formed channel section properties having the same area of cross section are shown. Z and c members are available in 8, 10, or 12 inch depths. Some typical cold formed section profiles are sketched in fig. First three characters designate the section height in millimetres i. New south wales designers must refer to the new south wales lysaght supazed and lysaght supacee purlins and girts range. The last two digits indicate the material thickness i. Standard secondary framing consists of cold formed z shaped roof purlins and wall girts. They are also comparable to steel in both strength and loadbearing capability, and they can support deadloads of up to 100 pounds per square foot and windloads of 100 pounds per square foot. In australia and new zealand, the design of coldformed purlins is performed according to the. Steel hall with coldformed zsections as purlins dlubal software. The section reference of a csection 232mm deep and 1.
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