I am working on a retro fit that has SJ167 joists specified in the drawings from 1954. I need the sectional properties to perform the checks I am working on, but due to the age I cannot find this information anywhere. Does anyone know where I can find this?
The landing is being supported by the stringers going from the ground to the intermediate landing, then from the landing up to a walkway bridge. We are assuming a fixed connection to the floor and a continuous stringer framing into the bridge with a moment connection.
I am attempting to design a stairway meant for an open lobby with a floating unsupported landing. I have been asked to perform a vibration analysis for human perception and am unsure how to proceed. Reviewing design guide 11 seems to pertain to floor slab systems, and I cannot think of a...
