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9.15.5.3.(3) | Application | Intent |
| OS2 | OP2 | OH1 | OH4 | OS3 |
| Objective | OH4 Vibration and Deflection Limitation |
| Attribution | |
| Application | Application 1: Pilasters for beams that frame into unit masonry foundation walls that are 140 mm or less
in thickness, on soils having an allowable bearing
pressure of 75 kPa or greater, for buildings of
wood-frame or masonry construction to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].
Exceptions:
except as stated in Sentence 9.15.1.2.(1), which applies to buildings that are erected on permafrost.
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| Intent | Intent 1: To limit the probability of inadequate strength, which could
lead to an inability to resist concentrated loads from beams, which could
lead to the compression failure of hollow concrete blocks and the transfer
of gravity loads to thin foundation walls, which could lead to foundation
walls cracking. This is to limit the probability of:
For floors and elements supporting floors, this is to limit the
probability of excessive movement, deflection or vibration, which could lead
to negative effects on the psychological well-being of persons.
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