The square root of the sum of squares is the ASCE7-10 equation 12.12-2 I referenced above. That was the initial thought of what we would need, but the UL detailing specifically notes that the AAC block is tied off to the walls on both sides and it also shows no air gap.
Since fire walls are a...
On a multistory wood framed project the architect is looking to use UL U925 with AAC block to achieve the fire rating. This detailing does not have a gap between the wood framed walls and the AAC block.
Per ASCE 7-10 section 12.12.3 "All portions of the structure shall be designed and...