The Industrial Pub Co. · The Industrial Pub Co. · leaf 4
fromboth sides, keeping it in place. If the beamis placed with the knot at the bottom, asshown in Fig. 4 the fibres here being in ten-sion would pull away from the knot at eachside, thus making the beam weak if not mak-ing it break or fracture. fore be placed in a recess cut in the beamsnear the… … 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…
Carpentry · Wood framing
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