Frame Design Formulas

 Structural Related Articles

• See beam design formulas
• See plate design formulas
• See geometric properties of structural shapes
• See welding stress and strain connections
• See welding symbols

 

Two Member Frame - Fixed/Fixed

Top Point Load Top Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Two Member Frame - Fixed/Free

Free End Horizontal Point Load Free End Vertical Point Load Free End Bending Moment Top Uniformaly Distributed Load

Two Member Frame - Fixed/Pin

Top Point Load Side Point Load Top Uinformaly Distributed Load Side Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

 

Two Member Frame - Pin/Pin

 Top Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Fixed/Fixed

Center Point Load Top Uniformaly Distributed Load Side Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Fixed/Free

Free End Horizontal Point Load Free End Vertical Point Load Side Top Point Load Free End Bending Moment

Top Uniformally Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Pin/Pin

Top Point Load Top Horizontal Point Load Side Point Load Top Uniformaly Distributed Load

Side Uniformally Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Pin/Roller

Center Point Load Side and Top Point Load Side and Bottom Point Load Side and Top Bending Moment

Central Bending Moment Top Uniformaly Distributed Load Side Uniformaly Distributed Load Outer Side Uniformaly Distributed Load