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9.20.9.1.(2) | Application | Intent |
| OH1 | OS2 | OP2 | OS1 | OH4 | OS3 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Minimum overlap of joints in reinforcing for above-ground,
nominally unreinforced masonry with aligned head joints, in buildings 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 9.20.1.1.(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 of an inadequate resistance to
in-plane and transverse shear stresses, which could lead to cracking or structural
failure of vertical mortar joints. Where masonry construction
is required to provide fire resistance, this is to limit the probability of
compromised fire resistance of the assembly, which could lead to harm to persons.
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