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TABLE 7.16 Deflection Limits of Beams and One-Way Slab Systems

Type of member Deflection to be considered Deflection limitation

TABLE 7.16 Deflection Limits of Beams and One-Way Slab Systems

Type of member Deflection to be considered Deflection limitation

Flat roots not supporting or attached to nonstructural elements likely to be damaged by large deflections

Immediate deflection due to live load L

l/180a

Floors not supporting or attached to nonstructural elements likely to be damaged by large deflections

Immediate deflection due to live load L

Z/360

Roof or floor construction supporting or attached to nonstructural elements likely to be damaged by large deflections

That part of the total deflection occurring after attachment of nonstructural elements (sum of the long-term deflection due to all sustained loads and the immediate deflection due to any additional live load)b

l/480c

Roof or floor construction supporting or attached to nonstructural elements not likely to be damaged by large deflections

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