Does anyone know the history of the Wisconsin Building Codes used or adopted since the 1970's? In particular the code wind loads for the Milwaukee, WI area. i.e. Which particular building codes and years adopted, which probably referenced ANSI A58.1-1972 or 1982, or the ASCE 7-88 or later etc...
I agree with JAE comments and also agree that the piers and foundations can also be designed to resist the rigid frame outward thrusts. But make sure if you use hairpins and tension steel/rebar tie backs that the reinforcement is spliced per ACI requirements for tension members. i.e mechanical...
The allowable stress for shear is .4 x 36 ksi per AISC Code for A36. Only count the web area in a shear calculation. You do not need to calculated the horizontal rolling shear unless you are connection 2 sections etc. together.
The maximum bending stress for the channel would be .6 x 36 ksi...
You could also determine what the local code jurisdiction is to determine if they have adopted the 2000 IBC for example. The 2000 IBC addresses how to calculate seismic forces based on the site soil and the spectral accelerations for a .2 and 1 second period. The code also provides...