We frequently get calls to evaluate various problems with older load bearing brick masonry structures, and more often than not, one of the problems is the use of modern cement mortar when re-pointing. Typically, our scope is not such that I can offer solutions beyond "consult a mason familiar...
I am working on a job where there are narrow cavities created at the roof between a parapet and a higher tower-like structure. The snow drift in this cavity is around 70 psf. I did not do the design, but am working with a specialty material supplier. The design calls for VERY large members in...
I am reviewing some moment connections that were submitted to me and there is an unusual moment connection that I have essentially rejected, but wanted to get the opinion of you guys on.
The connection is a WF beam to an HSS column, and the designers used what is essentially a large shear plate...
Does anyone have or use a simple method for rectangular or (less importantly) circular plates with either uniform or single concentrated force (normal, axial, or moment)?
It seems these conditions turn up often in different small jobs, where a full on analysis is not justified, and I oversize...
I am working on the light gauge stud wall design of a symphony hall that features much use of sound transmission isolation. There are occasions where the design calls for attaching light gauge framing clips to structural steel with a 1/4" thick neoprene isolation pad between the clip and the...
