Structural Steel in Housing

Structural steel is playing an increasingly important role in traditional and medium density housing with its versatility, strength and competitive price. OneSteel produces a unique range �� of steel beams, columns, channels and �� angles which are suitable for use in �� domestic housing as floor bearers, �� joists, roof strutting beams, lintels, piling and other applications. �� This booklet has been compiled to assist �� builders, draftspersons and designers to �� specify and use OneSteels range of �� structural steel. It contains span tables, �� surface treatment specifications and �� installation details on the use of OneSteels structural steel products in various residential building applications. �� +61 7 3832 3835 �� bris@mcwilliam.com.au �� www.mcwilliam.com.au �� +61 7 3831 3533 Ken Bourke Gerald Croucher Mike Gould Les Miethke David Norris Brian Wooldridge �� 41 Fortescue Street, Spring Hill Qld 4000 PO Box 304 Spring Hill Qld 4004 Australia Michael Blakeney Greg Clowes Geoff Curtis Drew Gordon Peter Melloy Bryan Munns �� Bearers B Timber or Steel Floor Joists Joist support (unless joists are cantilevered) Bearer to be designed Bearer span Not to scale A Load Width = 0.6A if as shown = 0.5A if the joists are not continuous over the bearer = A2/2B if joists are cantilevered �� Strutting Beams Underpurlin A Rafters Strutting Beam to be designed Ceiling Joists Hanging Beam S Strutting Beam span Not to scale �� Load Area = 0.25xAxS �� Strutting/Hanging Beams A Rafter length, A B Ceiling Joists Strutting/Hanging Beam Strutting/Hanging Beam Span Not to scale Load Width = Maximum of 0.5A & 0.5B �� Lintels �� Truss Roof A �� Roof Trusses Lintel to be designed Lintel span Load Width =A Not to scale �� Lintels Conventional Roof B Ridge Beam or Underpurlin A Rafters �� Ceiling Joists C Lintel to be designed Lintel span Not to scale �� Load Width = Maximum of A2/2B & 0.5C �� Lintels �� Truss Roof and Floor A �� Roof Trusses Cantilevered floor Floor Joists Lintel to be designed D C Load Width = Maximum of A & C2/2D Lintel span Not to scale Conventional Roof and Floor �� Rafters B Ridge Beam or Underpurlin A �� Ceiling Joists E C Cantilevered floor Lintel to be designed D Lintel span �� Lintels Not to scale �� Load Width = Maximum of A2/2B & C2/2D �� Lintels Hanging Beam Supporting Strutting Beams Strutting Beam (or Girder Truss) Rafters Ceiling Joists B A Lintel to be designed Lintel span Not to scale �� Load Area = 0.3xAxB �� Verandah Beam Rafters B A Beam to be designed Beam Span Not to scale Load Width = A2/2B �� OneSteel Wire guarantees that wall ties produced from its unique, purpose-specific wire will meet the durability criteria 1 specified in AS/NZS 2699.1 2 (or, for connectors and accessories, AS/NZS 2699.2) for all corrosion classifications from R3 down to R0. The poor t performance r u c t of masonry u r e the construction importance techniques of and $1 billion, with most of the structural damage being to masonry in both old and constructed recently buildings. Investigators attributed much of the masonry damage to either inadequate or completely missing wall ties. In many cases the original steel wall ties were found to have 1 2 3 4 �� o �� inadequate 3700, zinc Masonry It takes into account the need for improved construction practice, plus important recent developments in masonry design. The current Masonry Code calls up AS/NZS 2699 and this Standard requires a design life of at least 50 t a l l y �� AS/NZS 2699:2000, In-built components for masonry construction, comprehensive product is a new and manufacturing Standard. Part 1 relates to wall ties, and Part 2 to connectors and accessories. The Code divides, and defines, application environments into five general corrosion Provided the zinc coating is not materially damaged. Tie manufacturers should be aware that AS/NZS2699.1 contains requirements on the structural performance of ties, relating to their design. This aspect is beyond the control of OneSteel Wire. More than 1km from a surf beach. Arid areas. �� to (AS years for all in-built steel components. The cost to the nation of the earthquake was t due Code published July 1998) specifies within the scope of the Building Code of s correct component serviceability. over away, Masonry Australia. in in the 1989 Newcastle earthquake dramatically illustrated well The structures, performance requirements for work falling �� s corroded coatings. �� (03) 9931 2600 �� Quality Endorsed Company �� 310 Selby Street North, Osborne Park, WA 6017 �� PO Box 1418, Osborne Park, WA 6017 �� Telephone: (08) 6332 3131 �� Facsimile: (08) 6332 3132 ��

Structural Steel in Housing

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