Z sections can be used over single spans, unlapped continuous and. Such structures would be underdesigned and may be unsafe. All purlins and girts are manufactured from high tensile, g450, g500 or g550 galvanised steel, with a minimum z350 coating. Zed purlin and rail hole punching details cee rail hole. A sigma framework is built joining two sigma sections. For continuous lapped and reduced end lap systems, please contact lcp building products pte. Engineering excel spreadsheet downloads civil engineering resources structural design engineering resources. A range of preengineered, structural channel sections designed to complement the multibeam purlin and rail systems. Stabilization of the purlin top flange by the roof sheeting is a precondition for the use of lightweight purlins. Coldformed steel zpurlins were tested in combining bending and. The load tables published in this manual are not applicable in. Purlin and side rail tables have bean calibrated following extensive full scale testing undertaken at birmingham. Printed in canada 052000 nova steel stoney creek, on.
Steel c and z section properties were calculated in accordance with 2004 nas canada lsd. The data is intended for specifiers, engineers, builders and erectors for the specification, detailing and erection of lysaght purlin and girt systems. Canam canada fabricates a complete range of c and z sections for use as purlins and girts at its plant in boucherville, quebec. The c profile is a cut like c and the z profile is a cut like z. Pennar purlins sections mobile crush unit product range top hat 50100 30125 95200 125300 6078 6078 z purlin 450 lip 40350 40100 cchannels 180270 20x20 to 100x100 equal angle 90 0 multibeam 140255 76 lipchannels 1525 100300 5090 z purlin 90 lip 5059 5566 125300. Channels stiffened and unstiffened and z sections with straight lips and with inclined lips. The fourth character designates the section type z for z section. Z purlins section properties all z purlin sections are available in any gauge, only the most relevant are specified in the section properties and load value table sections. While each has individual characteristics, both perform effectively and in many instances the choice of one section over the other can come down to the personal preference of the designer. Steel purlins in philippines power steel specialist. These are used basically on roofs similar to channel bars. Coldformed steel purlins and girts have been used in australia for.
Whether you are looking to finish off the roof of your dream shop or perhaps attach a rain gutter, we have the steel z purlins to meet your needs here at eagle national steel. The characteristic constructed section properties for standard section depths are summarized in table 1. This manual incorporates the traditional range of lysaght purlins and girts in a much. Depth, flange width, edge stiffener, thicknesses and other dimensions varied between test sets.
Simple end connections this simple connection uses two standard bolts with a standard cleat and is common to both c and z sections see fig 1. The height of the box beam matches the purlin depth. Z sections of the same depth and different thickness can be lapped in any combination. While commonly attached to fabricated steel frames, the c and z sections are, on occasion, also used in small and medium sized buildings for the structural frame. For this reason, z sections are also available with downturned bottom lips. The depth of the box beam will be 8, 10, or 12, depending on. We manufacture any component from 12 steel subgirts to 12 section up to 10 gauge. Coldformed box beams consist of two c or s sections, forming a coldformed box. Warning do not substitute standard purlins from donovans or other manufacturers for designs based on this manual. A method for determining the strength of z and cpurlin. The new section range offers complete compatibility between zed and cee sections sizes. Sections properties dbh t i x s x r x i y s y r y xe a c 6 x 2.
The section reference of a zsection 232mm deep and 1. Nbs clauses for zed, cee and eaves beam sections and. Z purlins declarations of performance downloads metsec. Cold roll formed zed purlins and c sections for building shell applications made from continuously hot dip coated structural steel. Pdf this paper presents an analysis and design method for lapped. Factory flange notching reduces costly secondary fabrication. Depending on the complexity of roofs different methods to design z purlins are given in this standard. Shapes and sections two basic cold formed shapes ceeplus and zedplus are used for purlins and girts. The products are formed from hot dipped galvanised steel coil to bs en 10147 fe e350g z275. Hence calculations stipulated that the purlin top flanges on the roof level should be. Our purcalc software is constantly improved and updated to easily design and optimise ruukkis lightweight purlin sections. Please contact accord steel cladding ltd technical for section properties and load details of nonlisted sections.
Galvanised c and z purlins, mild steel plates, chequered plates, api 5l 1991 and astm a53 1997 pipes, steel sheet piles to en 10248. Last two characters designate the section thickness 18 is equal 1. These cold formed beams are perfect for roof and wall purlins. Produced using g90 galvanized steel, z purlins can be lapped creating more structural strength to support continuous spans. American iron and steel institute, aisi manual coldformed steel design 2002 edition 2003. Required are the cross section properties for the gross cross section and the effective cross sections as described in. Z purlins are not like the hot rolled i sections or uchannels in that they are thinwalled resulting in material savings of up to 20% for common loading and. Rollforming tolerances are in accordance with a66004, figure 2 fabrication tolerance for formed structural members. Steel zpurlins and z girts are also available with other depths and flange widths. Top notch purlin system section properties depth top notch section february 2020 d mm width b mm thickness t mm area a mm 2 mass per unit length kgm second moment of area full section section modulus full section radius of gyration centre of gravity y c mm shear centre y e mm torsion constant j mm 4 warping constant i w. First three characters designate the section height in millimetres i. These sections are normally only used over simple spans with the ends butted rather than lapped.
The stratco capacity tables have been calculated in accordance with limit state design principles. These sections are used mainly for roof purlins and side girts. The first 3 digits of the section reference indicate the depth of the section in millimetres i. Reference of z section reference of the height of z section 232 mm and thickness 1. Pdf analysis and design of lapped connections between cold. The paper at hand contains an overview of possible methods, the workflow and the effects of the advanced method in detail. The s450 section properties and load span table brochure presents load span capacities for albion sections eaves beam, purlin and side rail systems. The fourth digit is a letter that signifies the profile type ie z for zsection.
However, this torsional force is partially resisted by the interaction of the clip and deck to the purlin. Ptf is the compressive axial strength for section having one. Tensile coupon tests were conducted using material taken from the web area of representative purlins. Z sections feature one broad and one narrow flange allowing the two sections to fit together snugly, making them suitable for lapping. These properties are used to compute the laterally braced strength of sections. The soft copy version of this manual has many more capacity tables of configurations, mixed thicknesses. Setting the new industry standard, mcelroy metals substructural xl components generate labor and material savings that boost sales revenue and enhance bottomline performance. Purlins and girts that are lapped form a structurally continuous line along the length of the building, a factor that. The depth of the box beam will be 8, 10, or 12, depending on the design requirements of a particular project. Section properties the section properties given in tables 6, 7 and 8, 9 are. 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. 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. Included are details of material specifications, dimensions, packing, storage, holes, and bridging location.
These sections may be square or rectangular in shape. Cee purlins physical properties gross properties effective properties torsional properties xx axis yy axis d web b flange ga. Two types of purlins were used in the test sequences. Continuously lapped z purlins generally provide the.
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