We have completed an analysis of an existing pre-eng building built in 1975. The frames were overstressed by 150% under unbalanced loads. The purlins were overstressed by over 100% under normal snow load and finally the girts were overstressed by 100% under wind. Once reported to the client, two...
We have just started design of a large institutional project in which the architect wants to use ICF (Insulated Concrete Forms) Walls. Our initial reaction was positive since we would be designing basically 8" solid concrete walls. However we have since heard 'horror' stories about recent...
During the construction of a project we are regulated to "provide periodic visits, on a rational sampling basis". Some trades such as structural steel or wood framing are fairly straight forward since we can see it on a reasonable schedule. The more difficult decision comes for concrete...
I have reviewed many threads on this issue and am a little wary. I have tension and shear on an anchor bolt group embedded in a confined pier (24" square). My thinking is to
embed the anchor bolt with proper bearing at the end and provide vertical reinforcing in the pier which must have proper...
