I am working on a wastewater treatment plant, and need to calculate the z-factor to
check my crack control. I'm using the USD method with the appropriate durability factors.
Cracking would appear to be a service level condition, so my question is this:
Even though I'm using USD, may I calculate...
I'm working on a ground supported storage tank that must consider the hydrodynamic effects for seismic design. I need some guidance on a couple of things.
(1) How to calculate the fundamental period of the tank structure and impulsive component of content, Ti
(2) How to determine the impulsive...
I am working on a shear pin design in a sawmill application. A sorter mechanism that holds lumber travels vertically up and down an HSS column. The sorter cradle and full load of lumber could fall a distance of approximately 12" if the hydraulics fail. A steel pin through the HSS column stops...
I have an associate who is working on a lawsuit involving a residential foundation evaluation report. The report used the phrase, "structurally sound", to describe the condition of the foundation. The house had experienced some settling/differential movement, producing cracks in the brick...
