StructX > Resources > Statics > Frame Formulas

Frame Formulas

Simply select the picture which most resembles the frame configuration and loading condition you are interested in for a detailed summary of all the structural properties. Equations for Resultant Forces, Shear Forces and Bending Moments can be found for each frame case shown.

Additional information regarding engineering frame theory and the assumptions that have been made can be found Here.

Additional information regarding engineering beam theory can be found Here.

Three Member Frames (Pin / Roller)

Three Member Frames (Pin / Pin)

Three Member Frames (Fixed / Fixed)

Three Member Frames (Fixed / Free)

Two Member Frame (Pin / Pin)

Two Member Frame (Fixed / Fixed)

Two Member Frame (Fixed / Pin)

Two Member Frame (Fixed / Free)