Frame Design Formulas

Written by Jerry Ratzlaff on . Posted in Structural

Civil Related Articles

 

Two Member Frame - Fixed/Fixed

2ffbe 1Top Point Load 2ffbe 2Top Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Two Member Frame - Fixed/Free

2fff 2Free End Horizontal Point Load 2fff 1Free End Vertical Point Load 2fff 3A Free End Bending Moment 2fff 4Top Uniformaly Distributed Load

 
 
 
 
 
 

Two Member Frame - Fixed/Pin

2ffp 1ATop Point Load 2ffp 2Side Point Load 2ffp 3A Top Uinformaly Distributed Load 2ffp 4ASide Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

 

Two Member Frame - Pin/Pin

 2fpbe 2ATop Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Fixed/Fixed

3fbe 2Center Point Load 3fbe 1Top Uniformaly Distributed Load 3fbe 3Side Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Fixed/Free

3fff 1Free End Horizontal Point Load 3fff 2Free End Vertical Point Load 3fff 3Side Top Point Load 3fff 4Free End Bending Moment

 

3fff 5Top Uniformally Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Pin/Pin

3fpbe 1Top Point Load 3fpbe 2Top Horizontal Point Load 3fpbe 3Side Point Load 3fpbe 4Top Uniformaly Distributed Load

 

3fpbe 5Side Uniformally Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

Three Member Frame - Pin/Roller

3fpr 1Center Point Load 3fpr 2ASide and Top Point Load 3fpr 3Side and Bottom Point Load 3fpr 4Side and Top Bending Moment

 

3fpr 5Central Bending Moment 3fpr 6Top Uniformaly Distributed Load 3fpr 7Side Uniformaly Distributed Load 3fpr 8Outer Side Uniformaly Distributed Load

 

 

 

 

 

 

 

 

 

 

 

 

Tags: Equations for Pipe Sizing Equations for Frame Support