Steel Joist Span Tables Australia

Cantilever cantilevered joists have been designed to support a live load of 3 0kpa for balconies.

Steel joist span tables australia. Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. Joists of 35 mm or 38 mm width are only suitable where proprietary deck fi xings are used which a fi xed to the side of joists. Spantec systems are designers and manufacturers of boxspan steel flooring systems. Stress grades and timber sizes combine to determine the spanning ability of load carrying members.

2750 3600 4000 4250 4400 5200 5400 450mm 3300 3750 4350 4550 4700 5400 5500 joist figure 3 1 figure 3 2 figure 3 3 steel roof maximum joist span mm. We make joists bearers rafters verandah beams plus piers and bracing. The full terms and. Span for the purpose of using these tables span may be interpreted as the clear distance between supports measured.

Please refer to spacing diagram above each table. For joists supporting load bearing walls at end supports provide bearing as specified in the table below or alternatively install continuous hyjoist blocking rimboard boundary joist. Interpolation may be used for intermediate values table 2 0 joist spacing maximum joist span mm not supporting. Of a composite steel and concrete floor system.

Joist sizes can be found in the span tables 50 in as1684. C 2 design criteria these tables were generated using compbeam version 2 0 software. Load bearing wall to be supported by continuous full depth hyjoist blocking. For simple construction such as domestic construction this can be determined from span table supplements in as1684 2 and as1684 3.

Minimum bearing to be as for joists supporting floor loads only. Stramit c joist and bearers are cold rolled formed sections manufactured from high strength steel in material thickness ranging from 1 0mm g550 grade 550mpa minimum yield stress material to 2 4mm g450 grade 450mpa minimum yield stress material with z350 zinc coating 350grams per square metre minimum coating mass in accordance with. Span tables for floor joists rafters and ceiling joist are determined using their spacing centre to centre to determine their respective spans. As 4100 1998 steel structures.

Placing a layer of 110 mm malthoid dampcourse or proprietary protecti on system on top of the joists will increase the service life of the joist refer figure 2. The provision of replacement product in australia. Technical diagram on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050 1000 900 850 138 x 30 1700 1550 1400 1300 1200 185 x 30 2000 1750 1600 1550 1400 230 x 30 2000 1800. 30 minimum 30.

This software assists in the design of simply supported beams in accordance with australian standard as 2327 1 2003.