Treated Pine Pergola Beam Span Chart

Effective june 1 2013.

Treated pine pergola beam span chart.

Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red. Pergola beams posts handrails type i as nzs1328 examples. Patio roof maximum beam rafter spans beamsmeasuring pergola dimensions learn the standardwhat is max distance between posts using 2x12x20 foot beams for apergola beam span calculator pergolacanopyideas pergolayou measuring pergola. Wind classification 1 n2.

Loads are assumed to be uniformly applied to a simple span condition. Pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas. Of visually graded southern pine dimension lumber maximum spans in feet inches. 3 for design parameters refer to figure 6 22 as1684 2 and 3.

2 grade there is a method that can be used for estimating beam spans for a preliminary design. For southern pine. For pressure preservative treated southern pine no. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.

Dense elect structural select structural nondense structural no 1 dense no 1 nondense no 2 dense. Table is based on adjusted modulus of elasticity based on long term creep and temperature. 2 denotes 600 mm rafter spacing only. 1 refer to general notes for information that is relevant for all span tables.

There seems to be no definitive beam spans for pergolas unfortunately. Go much above that unsupported and you re looking at a reinforced beam. Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width 1500 3000 4500 6000 1500 3000 4500 6000 maximum beam span mm single span continuous span. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

From h3 losp radiata to either an f7 or gl8 structural grade and are to be used in accordance with the relevant span table. Table 1 floor joists 30 psf live load 10 psf dead load 360 deflection. When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches. Designers are to understand table limitations and apply them appropriately.

Chemically treated using an organic h3 losp preservative for.