We have a monorail beam (S15x42.9) which has some local deformation of the bottom flange. The trolley has four wheels but is only driven by two of these geared wheels. The deformation is only about 1/8" (vertical); but it is enough that the trolly drive wheels can lose contact with the bottom...
I have a concrete expansion joint between a electrical manhole and a buried concrete duct bank. The joint is 3" wide by 1' deep and is located below the water table. My problem is the waterstop (sealant) has degraded and only the styrofoam filler is acting to prevent water infiltration and water...
I have a concrete expansion joint between a electrical manhole and a buried concrete duct bank. The joint is 3" wide by 1' deep and is located below the water table. My problem is the waterstop (sealant) has degraded and only the installed styrofoam is acting to prevent water infiltration and...
I work at an electrical utility and have been mainly into structural/pipe support analysis but have recently been asked to help maintenance with replacement of a outdoor a/c condensing unit.
There is currently an outdoor slab-on-grade which supports existing condensing unit that will need to be...
