I want to use a standard pressure regulator as the exhaust on a two and a half inch bore 5/8 rod standard pneumatic cylinder. I'm trying to figure out the pressure I would need to maintain 130 lb of pull tension on the rod. Basically if I want to pull on the rod and have a constant tension upon...
I'm a steel fabricator in the middle of a remodel. The engineer spec'd out 6x6 PSL columns with a compressive strength roughly around 18,000 lb. The contractor has asked for an option of steel columns, to facilitate some plumbing and electrical. Question is what size either square or pipe should...
I went to inspect a job today involving a pair of access stairs for a small 2 story parking garage at an apartment complex. I met with the facilities manager and toured the project. Immediately I spotted numerous cracks in the concrete surrounding the bases of a number of tube columns and was...
