Thanks ISCK. These links are really helpful.May I ask more question?
What are the difference in the design between 2D frame and 3D frame analysis? Does 3D frame is used in actual analysis and design of the structural members? Are the beams will be also be design using the moment from PDelta...
mssquare48: i am using staad, but i don't know what load combination i will use, will i will input unfactored load (Dead, Live, Wind/Earthquake)? or not? and will i will set the moment of inertia for column 0.7 and 0.35 for beam?
hokie66: Good points, thankz. In school we just learned in...