I have an exiting two way concrete slab in which it is required to introduce new openings. The openings are square in shape and range in size from 2 ft to 5 ft. The existing rebar spacing is @ 16 in. I did a finite element model and the remaining reinforcement seems enough after the slab is cut...
I am trying to connect two LVL beams as shown below in which one of them will be under tension. I am using inclined lag screws. I checked the tension capacity of the screw embedded in member (b) considering the end grain condition and it is OK. I am not sure how to check the screw capacity in...
I am analyzing an existing steel joist. All joist measurement were collected form the field which include joist geometry and member cross section info. I did the analysis considering the design loads on the record drawings but it appears that all top chord members are under-designed by more than...
We are building a vertical metal deck wall behind a masonry wall that will be taking an earth pressure as shown to strengthen it. We are temporary screwing the metal deck to the wall and then installing the steel columns to laterally support the metal deck. We need to tie the deck to the flanges...
I have an old buried concrete structure in which it is required to introduced a new floor at mid height as shown. I used steel beams and metal composite deck to create the new floor. This floor will be supported by the external wall which also supports earth pressure and an internal wall on the...
