Panel Zone shear Vpz is determined. It is reduced by "Vc". I can find no discussion of this variable in any manual or in any post on this site. I have made a few attempts to recreate this assuming that it is shear in the column, but have had little luck in finding the load combinations which do so. Where is a discussion of "Vc" which will adequate describe this value?
Re: RAM Structural System Version 14.03 release notes:
communities.bentley.com/.../ram-ss-v14-03-release-notes.aspx
Summary:
• The AISC 341-05 SMRF Panel Zone check has been enhanced. Previously the program did not reduce the demand on the panel zone in the SMRF panel zone check for the shear in the column. It now reduces the design shear by that amount. This is a correction to the example shown in first edition of the seismic manual. If a web plate (doubler) was required the calculated demand was higher than necessary and possibly conservative (thicker than necessary) web plate was designed. More economical web plates are now designed.
I have a copy of a few slides from an AISC Power Point that I could send you as well if you want to email me.