Portal Method – Moments and Deflection The portal method is an analysis method for used for finding approximate internal forces in indeterminate structures subject to a lateral load. Portal Frame Assumptions: Zero moment at the center of each girder. Therefore…
Category: Analysis
Understanding what your software is doing and also a look at some old school methods.
Stability – AISC’s Direct Analysis Method
Stability – AISC’s Direct Analysis Method Intro In the 14th Edition of the American Steel Construction Manual the Direct Analysis Method (DAM) is moved into the main specification from the appendix. I know many are not used to this new…
General Diaphragm Design
UPDATED 4/26/12 Maybe I missed that day of class when diaphragm design was covered but for me I do not recall having done any diaphragm design in school. So here is a some basics just to get started and I…
Braced Frame Lateral Deflection
I was following a discusion found here and thought that the pdf that was posted would be helpful to some. It lists equation to deflection or sidesway of braced frame configurations. It can be verified with the method of virtual…