Δδ
Currently reviewing a design where the intention is to use section H of the AISC for verification. The issue I have is that while i'm familiar with the equation itself (H1-1A), I can't understand exactly why the factor 8/9 is used. If there is a reference to how this number is derived...
I'm designing a pin connection where there will be a large clearance between the inner and outer plates to accomodate movement. However, it's now being solely controlled by the pin bending given the distance between supports (outside edges of outer plates). This is because the clearance between...