Hello,
I'm wondering if anyone familiar with OWSJ's from the 60's can comment on this (see attached photo). The tie joists at a building we're working on all have a vertical rod from the bottom chord tie to the top chord. Ideally we could remove this rod but there is some debate as to its...
Hello, I'm designing a concrete base slab to be used for a lime silo and I started wondering about the effect of crushed lime sitting directly on the concrete surface. The reason I'm considering this is since lime can be used as an additive prior to curing, but I was wondering if there would be...
Hello,
I have a situation in a house basement where the concrete floor slab was poured around the steel HSS teleposts (which are on piles). The floor slab is heaving slightly, and it is lifting the telepost column with it due to the bond between the slab and steel. I'm trying to find a way to...
Hi all,
I'm analyzing a steel frame structure that is used to support a crane system. The two S-sections that act as tracks for the crane trolley are two-span continuous, and are fastened with bolts to the top of the columns. This is the only type of support given to them (top flange is...
Hi all,
I've got a situation where there is a 262ft span of 5mm steel cable with a relatively small concentrated load in the center. In the unloaded condition, the cable forms a catenary shape with a maximum sag of 2ft. A load of 20lb is then applied to the center of the span, pulling it out...
