I'm designing a superstructure replacement, and we have a curved alignment with straight beams in the first span with the curve terminating at the center of pier 2. Although the beams have not undergone final design, I am a little hung up on how we are going to do the screed elevations. When I...
I am currently designing a repair for a wooden structure located in a park. The wooden member being repaired is composed of (2) 2x12 timbers with 1/2" plywood in the middle that has deteriorated due to the flashing coming off and the prolonged exposure to moisture. The repair would replace the...
I am currently performing the structural analysis for a historic Warren truss bridge. The top & bottom chords are straightforward being effectively a built-up channel and two angles connected by lattice plates (in tension) respectively. The interior diagonal members, like the lower chord, are...
Hi,
I'm designing a structural glulam softwood deck using NDS 2015 Table 5A in its Y-Y axis. When I looked at the Shear Parallel to Grain value, footnotes 4 & 5 are implicated, but I'm having trouble understanding the applicability of footnote 5 and what exactly it means. If I'm using a glulam...
Hi, I'm designing a lobby addition to an existing building in a non-seismic region using structural steel framing. Within our design group, we have been having a debate. Each of the columns is designed such that it is fixed at the base. Since the lobby is only one story, we are seeking to...
