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.
Steel roof truss span table australia.
Here wind load governs ie in excess of 0 4 kpa the span shall be reduced.
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.
These boxspan residential span tables provide detailed product design and typical installation information.
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.
Required size for a given span.
Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002.
No provision has been made for the 1 3kn concentrated load.
Spantec has prepared these tables for use by people skilled in the design and specification of the.
It contains span tables covering various primary and secondary beam spans with common design floor loadings.
High pressure zones kl 1 5 and 2 0 included.
Flat roof span tables allow for a maximum roof pitch of 5ยบ.
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.
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.
Design of single span rafters in roofs in houses office buidlings schools and other structures.
Cpe 0 9 and cpi 0 2.
Max roof span allowed 12m.
Boxspan steel beams used in australian building for over 20 years.
It is intended that these tables will be used by engineers to assist in the preliminary design.
Spacing should be interpreted as the centre to centre distance between adjacent parallel members.
The imposed uniformly distributed live load in the main span.
All spans to have 1 row of bridging.
Appendix c span tables c 1 introduction this appendix has been taken from the onesteelpublication design note no.
Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans.
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.
Cleated or bracketed fixing only no flange bolting.
Use recommended minimum roof pitches as specified by roof sheet supplier.
