I have situation where I am adding 4' of new parapet to an existing building (only about a length of 20'). This will cause some drifting. I seem to be confused everytime I do something with an existing structure. At this time it is not known the size of the roof bar joists. I do have spans and...
I have a situation where I can only get about half the nut turned on four 3/4" dia. F1554 Fu=58 ksi anchor rods. I don't have any uplift on the base plate but I still don't feel comfortable leaving them only half threaded. What can be done? Can they be plug welded? Thanks for the help.
Why is that most structural engineers specify in their notes that concrete poured walls shalled not be poured more than 40'-0" (or close to that) in one single pour. Is this a curing issue? Does this need to be true in control joints are placed every 20'-0"? Thanks
I have a small problem. I've been involved with a project that has a small vibration problem with floor. The floor consists of a 3" normal weight concrete (total deck thickness) w/1.0c 26 Ga. deck over 28k7 joists spaced 2'-0" o.c. spanning 38'-0". Half of the building has been built and in...
I have a situation where a have a torsionally loaded wide flange beam. I've provided (2) 3/8" continuous plates between the ends of each flange so I have a closed section. Can these plates be welded with a stitch weld or do I need a continuous weld? Is it really a true closed section if a...
I have a situation where I have a typical beam that rests on top of a steel tube column. The column has a 1" plate and connects to the beam by 4 bolts (the old typical connection). I have a significant uplift on this connection. About 33 kips worth. I'm well aware the of the effects of the...
