Recent content by leenlee

Thank you but too hard to understand. So if SCBF used for top story level of building or one story building, I do not need to consider unbalanced vertical force on beam???

It is 1164' x 400' with 40' high. And there are (2)-two bays frames in middle at transverse direction.

Hello, all I am designing chevron braced frame in one story tilt-up building. And zipper column should be needed by unbalanced vertical force. But spreadsheet attached shows Qb = 0 because this is one story building(= top story). I just wonder if I do not need zipper column by spreadsheet or...

Hello, all I am designing chevron braced frame in one story tilt-up building. And zipper column should be needed by unbalanced vertical force. But spreadsheet attached shows Qb = 0 because this is one story building(= top story). I just wonder if I do not need zipper column by spreadsheet or...