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9.20.9.6.(2)
ApplicationIntent
OH1OS2OP2OS1
ObjectiveOS2 Structural Safety
Attribution
[F20-OS2.1]
[F20-OS2.3] Applies to elements that are part of an environmental separator.
Application
Application 1: 
Minimum overlap of joint reinforcement for glass block, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]:
  • where the wall height above the foundation wall does not exceed 11 m, and
  • in which the roof or floor system above the first storey is not of concrete construction.
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Intent
Intent 1: 
To limit the probability of discontinuous reinforcement, which could lead to an inadequate resistance to lateral loads or gravity loads imposed by the glass block's own weight, which could lead to cracking at vertically aligned mortar joints.
This is to limit the probability of compromised structural integrity, which could lead to:
  • structural failure of masonry construction, or
  • where glass block is part of an environmental separator, the excessive deformation, displacement or failure of required environmental separation elements, which could lead to deterioration, which could lead to further compromised structural integrity.
This is to limit the probability of harm to persons.
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