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9.17.3.1.(1) | Application | Intent |
OS2 | OP2 | OH1 | OH4 | OS3 |
Objective | OH4 Vibration and Deflection Limitation |
Attribution | |
Application | Application 1: Minimum size for steel pipe columns, in buildings to
which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application
of Part 9], that are used to support:
Exceptions:
except as stated in Sentence 9.17.3.1.(2), which applies to
columns that have an outside diameter of less than 73 mm and/or
a wall thickness of less than 4.76 mm, where the loadbearing capacity
has been shown to be adequate.
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Intent | Intent 1: To limit the probability that columns will be unable to
resist expected gravity loads transmitted through beams, which could lead
to the structural failure of columns. This is to limit
the probability of:
For floors and elements supporting floors, this to limit the probability
of excessive deflection or vibration of floors, which could lead to negative
effects on the psychological well-being of persons.
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