Maximum Spans for Glue-Laminated Floor Beams – 20f-E Grade⁽¹⁾

Table A-11

Forming Part of Sentence 9.23.4.2.(3)

Notes to Table A-11:

⁽¹⁾ Spans apply only where the floors serve residential areas as described in Table 4.1.5.3., or the uniformly distributed live load on the floor does not exceed that specified for residential areas as described in Table 4.1.5.3.

⁽²⁾ Supported length means half the sum of the joist spans on both sides of the beam.

⁽³⁾ Straight interpolation may be used for other supported lengths.

⁽⁴⁾ Spans are valid for glued-laminated timber conforming to CAN/CSA-O122 and CSA O177.

⁽⁵⁾ Spans are clear spans between supports.  For total span, add two bearing lengths.

⁽⁶⁾ Provide a minimum bearing length of 89 mm.  (Alternatively, the bearing length may be designed in accordance with Part 4.)

⁽⁷⁾ Top edge of beam assumed to be fully laterally supported by joists.

Table A11 – Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.