When checking the reaction forces I found that there were a few points numbered as negative (like -100) by ETABS, and more wired was that I got force reported at these negative points, the total force including these negative points was balanced with applied loads. However, no such negative...
I have a shear wall which has a 5ft by 7ft opening on each floor, we used a link beam with has 10ft depth to connect the opening. Now I need to design the concrete beam, anybody has ideas how to design it? Is the beam to deep? Can I design it as shear wall rotated 90 degree? Attached is a sketch...
Hi, I am doing slab design. I have a #4@12" mat for bottom reinforcement and no mat for top. If i follow the SAFE output, I will have no rebar for some stress lines. Qell, some senior engineers in my office said that i should provide rebar to cover every stress line for my slab. However, some...
