Increasing the height of just one space on the top floor???

C

celikbey

New Member
Hello. In the 3-storey project, whose pictures I have attached, the floor height is 3.30 m. There is a 13.90x12.80 conference hall on the top floor. I made cassette flooring. I created the flooring with 25x65 joists. As such, the floor clear height decreased to 2.65. I just raised the columns and the floor in that area by 50cm, but I don't know if what I did is a problem for the system. I had the system analyzed considering the semi-rigid diaphragm acceptance and earthquake loads on the floors, no error was found. In this case, the lower level of my cassette beams and the lower level of the 15 cm high slab floor in a side area became the same. I would like to get your comments in terms of system behavior, regulation... Is it appropriate? Thanks...
 
You can do it, but design the beams where there is a level difference, and also pay attention to the winding reinforcement in the column wrapping area.
 
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