Steel Roof Truss Span Table Australia

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.

Steel roof truss span table australia.

Appendix c span tables c 1 introduction this appendix has been taken from the onesteelpublication design note no. Cpe 0 9 and cpi 0 2. 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. All spans to have 1 row of bridging.

Cleated or bracketed fixing only no flange bolting. Boxspan steel beams used in australian building for over 20 years. Flat roof span tables allow for a maximum roof pitch of 5º. Here wind load governs ie in excess of 0 4 kpa the span shall be reduced.

Max roof span allowed 12m. The imposed uniformly distributed live load in the main span. It contains span tables covering various primary and secondary beam spans with common design floor loadings. Spantec has prepared these tables for use by people skilled in the design and specification of the.

Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans. Required size for a given span. Where joist ends have rigid connections or are over multiple. Roof load width rlw and floor load width flw can be determined from as1684 or from the images below.

Spacing should be interpreted as the centre to centre distance between adjacent parallel members. The safe spans below are suitable for sheds and class 1 structures with the following assumptions. 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. It is intended that these tables will be used by engineers to assist in the preliminary design.

Posts these span tables are designed for a minimum post size of 50 x 50 x 2 5mm up to a maximum height of 3 0m. No provision has been made for the 1 3kn concentrated load. Design of single span rafters in roofs in houses office buidlings schools and other structures. Use recommended minimum roof pitches as specified by roof sheet supplier.

High pressure zones kl 1 5 and 2 0 included. From span table c the maximum allowable single span is 2160mm. Safe roof purlins spans. 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.