Long Span Steel Beams

Long span beams integral to innovative architecture.

Long span steel beams.

Now consider a beam that deflects 0 75 and is 18 long. Many long span solutions are also well adapted to facilitate the integration of services without increasing the overall floor depth. As modern architecture evolves so too does the composite technology that enables us to deliver first class structural steel beam systems along with a wide range of fixing systems. 8 x 4.

W flange beams and allowable uniform load. It has an equivalent deflection ratio or l 288. 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. For example a 3 ply 2x8 beam would use three 2x8s nailed together side by side.

W steel beams allowable uniform loads allowable uniform loads. That is because the deflection is less noticeable over the greater distance. The design of long span steel and steel concrete composite beams. Long span steel framing is considered when large clearance is required and such long spanning cannot be realized using steel beams and columns.

These classes of long span steel framing. Trussed rafters are often an integral part of today s modern structural design allowing roof light to flood open plan internal spaces or creating long span walkways or platforms. Mlb supply a wide range of custom designed steel floor beams for a wide range of structural applications. The use of long span beams results in a range of benefits including flexible column free internal spaces reduced foundation costs and reduced steel erection times.

These nine beam spans are for built up beams made up of either 2x8 2x10 or 2x12 dimensional lumber nailed together as either 3 4 or 5 ply beams. The values displayed in the resulting table will show nine possible maximum beam spans for the supported length selected. Long span floor beams. Long span steel framing options can be categorized into different types for instance girders trusses rigid frames arches and cantilever suspension spans.

In theory these beams have the same deflection performance even though the longer span beam has a greater deflection.