We are designing a building in a tornado region of the country with a storm shelter as part of the building. The main building is a multi-unit residential facility. The storm shelter is attached to the host building. I have a couple questions I hope someone can help me out with. We are using...
Mike:
The drawings specify the fourth printing, but I doubt that makes any difference. I will use 33 ksi for the existing steel. Is the 33 ksi minimum for steel angles as well as steel beams? I ask as there are some steel angles that I need to review as well.
Thanks,
Sam
ash060, thank you for the information. The existing beams are 36 ksi, to the best of my knowledge. The as-built drawings reference the 5th edition of the AISC from 1947, but give no other clues to the steel strength.
Deflection does not seem to be an issue, but I will double check this.
I...
I am working on an existing building with wide flange steel beam joists at the roof (simple span configuration). They are adding a significant amount of load to the roof. To increase the capacity of the beams, I am adding a steel plate (flat) to the bottom of the beams. Using Enercalc to find...
