Steel Roof Truss Span Table Australia

All spans to have 1 row of bridging.

Steel roof truss span table australia.

Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70. Spacing should be interpreted as the centre to centre distance between adjacent parallel members. Appendix c span tables c 1 introduction this appendix has been taken from the onesteelpublication design note no. From span table c the maximum allowable single span is 2160mm.

Boxspan steel beams used in australian building for over 20 years. These boxspan residential span tables provide detailed product design and typical installation information. The safe spans below are suitable for sheds and class 1 structures with the following assumptions. Cleated or bracketed fixing only no flange bolting.

Roof load width rlw and floor load width flw can be determined from as1684 or from the images below. Spacing span note hopleys trusses this table may also be used for wind uplift to a maximum of 0 4 kpa with suitable lateral restraints. Safe roof purlins spans. Spantec has prepared these tables for use by people skilled in the design and specification of the.

Flat roof span tables allow for a maximum roof pitch of 5º. Use recommended minimum roof pitches as specified by roof sheet supplier. No provision has been made for the 1 3kn concentrated load. Step 4 assume the wind classification for the area is n1 and the roofing profile is stramit corrugated cladding 0 48mm bmt thickness in a single span configuration.

The imposed uniformly distributed live load in the main span. High pressure zones kl 1 5 and 2 0 included. Cpe 0 9 and cpi 0 2. Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans.

It contains span tables covering various primary and secondary beam spans with common design floor loadings. The information in this guide can be used for the design of sub floors second storey floors and a number of roof types and beams including lintels. This is set by the roof use you selected in the previous screen and cannot be modified. Design of single span rafters in roofs in houses office buidlings schools and other structures.

Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002. Max roof span allowed 12m. Here wind load governs ie in excess of 0 4 kpa the span shall be reduced. Where joist ends have rigid connections or are over multiple.