The Industrial Pub Co. · The Industrial Pub Co. · leaf 4
Fig. 3- For cantilevers, such as beams for pro-jecting balconies, bay-windows, etc., the con-ditions are reversed and the part of thebeam containing the knot is placed at thebottom, as then the fibres are in tension atthe top. If a square beam is supported on its edge—that is, with its diagonal… … Fig. 4. The bearing of the ends of a beam in thewall beyond a certain amount does notstrengthen it, but the bearing should not beless than 3} inches except for very shortspans. We have mentioned in our rules that theweight of the beam is neglected. For smallbeams we can safely neglect the weight…
Carpentry · Wood framing
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