Attached is a PE sample problem. The answer is B, not following why. All else equal wouldn't the pin/brace direction have k=1.0, while the pin/moment direction has k=0.7. Thus column capacity is less in the brace (north-south) direction and will...
If a 1st story column in a multi story qualifies for live load reduction, is roof live load reduction also applied or is the roof reduction treated as any regular floor? The latter is what I've noticed in examples, yet the first sentence of asce 4.7.1 states except roof uniform live loads
Also...
In lieu of stop logs a contractor has proposed a plate to retain water. The plate would drop into vertical notches that were originally cast into an 8' x 8' concrete conduit. The design approach is to treat the plate in horizontal strips acting simply supported. To be determined, but anticipated...
Is there a standard side mount bracket detail or product between a channel web and round post for an industrial guardrail? Each as-built I've seen has a mount on top flange of channel, acting as a pin connection, not meeting IBC lateral load criteria. Thank you
Requesting some direction on identifying the Lc dimension for Bearing strength at bolt holes for in plane eccentricity. Using the 13th edition of AISC. Spec J10(a) notes independent of the direction of loading however Lc is defined just below as clear distance in the direction of force...
Hey folks,
I have an old house, single header and trimmers around the stair opening, the age is beginning to show. I considered sistering the joists and reviewed a few previous posts on this site regarding that topic. Given that NDS doesn't have provisions for sistering and the existing cross...
