Deflection Limits: roof-no-ceiling
Serviceability deflection and drift limits per IBC 2021 Table 1604.3 and ASCE 7-22 — floor beams, roof members, exterior walls, interior partitions, and story drift for seismic and wind
| member type | load case | applicable load combination | limit denominator (dimensionless) | limit description | limit ratio | notes |
|---|---|---|---|---|---|---|
| roof-no-ceiling | live | L or Lr | 180 | Roof member not supporting ceiling — live load | L/180 | Span/180 |
| roof-no-ceiling | total | D + L | 120 | Roof member not supporting ceiling — dead plus live | L/120 | Span/120 |
| roof-no-ceiling | wind-snow | S or W | 180 | Roof member not supporting ceiling — wind or snow | L/180 | Span/180 |
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roof-plaster-ceiling3 rowsroof-nonplaster-ceiling3 rowsfloor-beam2 rowsexterior-wall-plaster1 rowexterior-wall-brittle1 rowexterior-wall-flexible1 rowinterior-partition-plaster1 rowinterior-partition-brittle1 rowinterior-partition-flexible1 rowfarm-building1 rowgreenhouse1 rowseismic-story-drift-dce1 row