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Maximum spans for steel beams supporting floors in dwelling units

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Posted by: from Mississauga
1/5/2012 at 7:03:39 PM

Hello,

I just need help comprehending this chart from the OBC (BUILDING CODES) BOOK. Im confused about the rows containing the lengths. Which row(s) is the beam span and which row is the supported joist length?

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Herbert from Bert'll Do It in Mississauga
Date/Time1/10/2012 at 2:07:28 PM

Table 9.23.4.3

Left Column is the Steel Section

First row is the Name of the row below it

That is 2.4,3.0,etc This is the support joist length (Half the sum of the joist spans on both sides of the beam

The numbers in the body are the lenghts of the beams.

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Gerrardo in Mississauga
Date/Time1/27/2012 at 10:11:14 AM

Thanks for the help.

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