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9.20.12.2.(2) | Application | Intent |
| OH1 | OS2 | OP2 | OH4 | OS3 |
| Objective | OS2 Structural Safety |
| Attribution | |
| Application | Application 1: In buildings to which Part
9 applies [see Sentence 1.3.3.3.(1) of Division A for application of
Part 9], corbeling of unit-masonry foundation walls
supporting above-ground, unreinforced masonry cavity
walls that are thicker than the foundation wall
on which they rest:
Exceptions:
except as stated in Sentence 9.20.1.1.(2), which applies to buildings other than described above, or where the masonry
is designed for specified loads on the basis of ultimate and serviceability
limit states.
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| Intent | Intent 1: To limit the probability that the cavity wall's centre of
gravity will be too far outboard of its supporting foundation, which could
lead to excessive eccentricity of loads, which could lead to cracking of cavity
walls. This is to limit the probability of compromised
structural integrity, which could lead to:
This is to limit the probability of harm to persons.
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