@Craig_H: Thank you, this information is extremely helpful.
@KootK: The truss profile looks like this:
@EdStainless: As much as I would love to specify new plates, that is a very expensive and laborious task which is not justified at this point in time.
Below is a rough sketch of the...
I’m currently in Texas, they usually use SYP, but I assumed SPF No.1/No.2 to be conservative. My F’v is the same value, didn’t want to risk taking Cd as 1.25. Again, trying to be conservative since I’m using assumptions. The attic will not get that hot here in Texas.
@IFRs: My scope does not include assessing the material composition of the existing structural components. The church does not have the budget to go that route. I recommended that they have a preventative maintenance program in place to help identify any future areas of concern. Some of the...
@phamENG: I like the strap idea to avoid the joist splitting. As far as the fractured plate goes, I really did not want to alter the original construction unless absolutely necessary. The additional steel plate would act to stop any further separation in the existing fractured plate. Also, some...
I recently finished a structural assessment on a church building that was built in 1917. The building is comprised of 55-foot long 9-ply wood trusses with 2x8 roof joists spanning 12-feet at 16-inches on-center perpendicular to the trusses. There are two specific deficiencies that I would like...
The beam in question is not new. The one it is hangering off of is (perpendicular to it). I was able to discuss this with the manufacturer today and they said that this type of delamination is very unusual. They recommended screwing the bottom ply back to the beam with SDS screws and adhesive...
Yes, it’s at 60% of allowable moment and 69% of allowable shear. I’m pretty confident that lag screws driven from the bottom to fasten the plies back together will suffice. I’m getting around 12.2 kips for the resultant tension force resolved from bending stress. I’m thinking I’ll take half of...
It is very surprisingly a delamination. At first glance, I thought they had used a 2x filler plate at the bottom but that’s not the case.
I’m not sure what you mean by transfer beam critical in shear? It’s supporting perpendicular floor trusses on both sides that span the balcony width.
Working on a rehab project of a four story multi-family apartment building. The front balcony beam (running parallel to railing) was water damaged to the point of needing to be replaced. Contractor replaced the beam per my recommendation and I was out there doing a QA this morning. While doing...
Hi fellow structural engineers. I was recently out on an investigation of a one-story wood frame structure located in Oklahoma built in the 1970’s. The ceiling gypsum board was showing major straight-line cracks across the seams of the panels and diagonal cracking at air conditioning...
