Steel Beam Roof Span Table

For the initial calculation f can be estimated at 1 000.

Steel beam roof span table.

W steel beams allowable uniform loads allowable uniform loads. Yield strength of steel ksi e g. In the example the beam spans the 10 foot width of the roof. F stands for the beam s fiber strength in bending which depends on the species of wood.

Designation width x lbs ft nominal size depth x width inches x inches allowable uniform load lb span ft 8 10 12 14 16 18 20 22 24 26. L stands for the span of the beam in feet. Alternatively design in a specific timber or steel material type. 300plus grade beams as these are widely recognised as being the most economical re entrant profiled steel decking as trapezoidal decks are not permitted by as 2327 1 2003.

Structural steel beam span table posted on april 7 2020 by sandra beam and block load span tables difference between h beam and i structural steam beam how to single ply beam solution professional. Span of beam inches tributary width inches uniform load pounds square foot e g. Of course beefier sizes also increase your lumber bill. Secondary beam spansfrom 8 to 17m primary beam spansfrom 8 to 12m c 2 2 fixed design variables the design variables that have been fixed in these tables are.

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. Roof pitch use recommended minimum roof pitches as specified by roof sheet supplier. For full table rotate the screen. Flat roof span tables allow for a maximum roof pitch of 5º.

Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. The total load is 4 000 pounds. Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002. Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope.

Distance from roof beam to next roof support i e the span of the rafter or roof truss from the roof beam to the next adjacent beam or wall. W flange beams and allowable uniform load.