Diaphragm Span / Diaphragm Depth Limitations
Flexibility Category
Allowable Span of Concrete or Masonry Walls
Other Walls
Diaphragm,
ft.*
Flexible
100
2:1
2 :1
Stiff
200
2 :1
3 :1
Rigid
350
3 :1
4:1
*1 foot = 0.3m
Table 7-24: Span and Depth Limitations on Diaphragms
7 -121
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