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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)
Central Point Load
Top Corner Point Load
Bottom Corner Point Load
Top Corner Moment
Central Bending Moment
Top UDL
Side UDL
Outward UDL
Three Member Frames (Pin / Pin)
Central Point Load
Top Corner Point Load
Side Point Load
Top UDL
Side UDL
Three Member Frames (Fixed / Fixed)
Central Point Load
Top UDL
Side UDL
Three Member Frames (Fixed / Free)
Low Outward Point Load
Low Downward Point Load
High Outward Point Load
Free End Bending Moment
Top UDL
Two Member Frame (Pin / Pin)
Top Point Load
Top UDL
Two Member Frame (Fixed / Fixed)
Top Point Load
Top UDL
Two Member Frame (Fixed / Pin)
Top Point Load
Side Point Load
Top UDL
Side Point Load
Two Member Frame (Fixed / Free)
Vertical Point Load
Horizontal Point Load
Free End Bending Moment
Top UDL