Metal bridging is placed at the center of spans over 10 feet and where the joists pass over the girder. Determine the number of pieces of metal bridging needed for the floor in Figure 14.62.

What will be an ideal response?


The number of pairs of metal bridging is as follows:

Bottom row of joists = 27 spaces – 3 spaces = 24 spaces

Bottom girder = 27 spaces – 3 spaces = 24 spaces

Middle row of joists = 27 spaces – 3 spaces = 24 spaces

Top girder = 10 spaces

Top row of joist: Not required

Number = 2 × (24 + 24 + 24 + 10) = 164 each

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