I got asked to look at a barn/tractor shelter that is (99% of the time) unoccupied. The owner is concerned because some of the wood girders are sagging more in recent years than they have been. I ran numbers on what I saw and concluded the design is inadequate. This building was built in 1968, I...
I am looking to bolt two pieces of aluminum together....but I don't want to use aluminum bolts. I'd like to use steel bolts....but there is (of course) the risk of corrosion from the dissimilar materials. Is there something I could coat the bolts with to keep the galvanic corrosion from...
I have the 'Single Angle Design Manual' (by Whitney McNulty). On the back cover it talks about how "A CD-ROM (available separately) automates the flexural analysis of any simply supported, uniformly loaded single angle."
That didn't come with the book and I can't find it anywhere on Amazon. (It...
I am going through a built up roof to anchor a guard rail post. The roof is a "Single-Ply Roof Membrane on Densedeck Board & Rigid Insulation" (2 boards). The detail I normally use for something like this isn't applicable (because the anchor plate is wider than the board). So can someone suggest...
I have got a continuous beam (about 5 spans) that I am pulling out the stops to try to make work. (It has a uniform distributed load.) One thing I have thought about is using the "bending coefficient" [Cb]. Sounds good for the positive moment (as the top flange is pretty well braced.....but the...
I've been called upon to do some estimating for a nuclear project (nothing particularly big). I have a hard copy of RSMeans for 2023.....but those numbers are built around industrial/commercial type projects. Any idea what the multiplier would be for a nuke project? I would think contractors on...
I tend to write up my code check manually (in the text editor) in GT Strudl. One thing I cannot find is the proper commands for checking cold-formed steel (via AISI). Does anyone know where that info might be? I've checked in the user manuals I have. Thanks.
In the "green book" (i.e. AISC 9th ed. steel manual) from p. 2-259 to 2-291, transformed section properties are given for composite beams. Correct me if I am wrong, but aren't those values conservative whether the neutral axis falls within the slab or it doesn't? Thanks in advance.
I was thinking about bolting a piece of AISI 1045 steel to a A36 plate. But I am uncertain about galvanic corrosion (from them being in contact). I am unable to find a anodic index for AISI 1045. Does anyone know that? Thanks.
As you know, STAAD has a input file that will list out (in text) Joint coordinates, Member Incidences, and so on. Does GT STRUDL have a input file like that? I think STAAD grew out of GT STRUDL, so I would assume there are some similarities.
Got a client who wants a stairway [to hell....well actually] into a detention pond. (Basically so people can get in/out without slipping all over the banks.) I've come up with a catwalk....but the (concrete) foundation is a issue. We are talking bearing on the pond liner....and potentially...
I am working on connecting a channel to some existing boards with bolts. I am trying to minimize the spacing of the bolts because there are a lot of things to miss. This means using the shear at various points along the composite beam rather than the max. (at the supports).
Is there any...
I am trying to copy from MathCAD 15 to Microsoft Word. No matter what type of paste I try (be it Source Formatting, Merge Formatting, or Picture)....something gets screwed up. Picture probably gets me the closest to what I want....but there is still something off.
I am modeling something where I cannot use tension/compression elements, t/c springs, t/c supports, etc to represent something that I need to offer (virtually) no resistance/stiffness in tension, but definitely some in compression.....so I have been brainstorming to figure out if there is a way...
Am replacing a existing, exterior load bearing column (on a porch). I want one that kind of has that Greco-Roman look and is circular......the problem I am having is: the length is kind of odd-ball: 7'-7 1/2". I have seen custom size metal ones.....but I can't find anyone who sells them. Any ideas?
Like it says in the title......I am trying to weld these two different types of steel together with a fillet weld. I don't do this often so I am unsure as to what to callout in the notes. Any ideas? Thanks.
Question for anyone here who is licensed in Georgia (and converted over to the new SE license): when you renewed, did you see two licenses (one the "old" PE and the second the new SE)? It offers two license renewals. That confuses me because I thought your PE got "converted" to the new SE. But...
Hi, I am trying to specify some pipe hold down hardware and it has to be Anvil. Looking in the catalog linked to below (see p.67)....that looks like a good product. Only problem is: these don't have the side load capacity I need. (They've got about 2/3rds of the capacity I need.) I'm not very...
