Tempo:
CHOOSING THE SIZES OF BUILT-UP WOOD BEAMS Problem
Select two built-up beams that meet the following conditions.
Beam span is 4 m (13 ft.) Species group and grade specified is SPF No. 2 and better
Selection
Conditions
One-storey, brick veneer house
Use Table 15 (p. 276).
Beam supporting main floor only
Acceptable beams for this application include:
Supported joist length is 3.6 m (12 ft.)
5 – 38 × 235 mm (5 – 2 × 10 in.) or 4 – 38 × 286 mm (4 – 2 × 12 in.)
66 Basement beam and first floor joist framing supported joist length = 3.6 m (12 ft.) beam end foundation wall
interior support built-up beam
beam span = 4 m (13 ft.) supported joist length
⁄ + b⁄2
a2
a
b
beam span supporting column
Select two built-up beams that meet the following conditions.
Beam span is 4 m (13 ft.) Species group and grade specified is SPF No. 2 and better
Selection
Conditions
One-storey, brick veneer house
Use Table 15 (p. 276).
Beam supporting main floor only
Acceptable beams for this application include:
Supported joist length is 3.6 m (12 ft.)
5 – 38 × 235 mm (5 – 2 × 10 in.) or 4 – 38 × 286 mm (4 – 2 × 12 in.)
66 Basement beam and first floor joist framing supported joist length = 3.6 m (12 ft.) beam end foundation wall
interior support built-up beam
beam span = 4 m (13 ft.) supported joist length
⁄ + b⁄2
a2
a
b
beam span supporting column
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