7 | Trusses
At the end of this section you should be able to:
Recognize a problem as a “truss”-type problem
Formulate a “best” solution strategy for a truss problem
Start with external diagram
What section cuts or pins to draw
Properly create FBDs for method of pins and method of sections
Identify zero-force members in a truss by inspection
Method of Joints
Method of Joints
Hibbeler 13e 6.6: Six members using method of joints
Hibbeler 13e 6.6: Six members using method of joints
Hibbeler 13e 6.4: Five members using method of joints
Hibbeler 13e 6.4: Five members using method of joints
Hibbeler 13e 6.17: Determine maximum allowable applied force so that no member fails in tension or compression
Hibbeler 13e 6.17: Determine maximum allowable applied force so that no member fails in tension or compression
Hibbeler 12e F6.1: Four members using method of joints
Hibbeler 12e F6.1: Four members using method of joints
Hibbeler 12e 6.7: Statically indeterminate using method of joints
Hibbeler 12e 6.7: Statically indeterminate using method of joints
Hibbeler 12e F6.2: Method of joints with zero-force member
Hibbeler 12e F6.2: Method of joints with zero-force member
Method of Sections
Method of Sections
Hibbeler 13e 6.30: Determine forces in specified members of a truss
Hibbeler 13e 6.30: Determine forces in specified members of a truss
Hibbeler 13e 6.34: Determine forces in specified members of a truss
Hibbeler 13e 6.34: Determine forces in specified members of a truss
Hibbeler 12e F6.7: Statically-indeterminate with method of sections
Hibbeler 12e F6.7: Statically-indeterminate with method of sections
Hibbeler 12e 6.33: Statically-determinate with method of sections
Hibbeler 12e 6.33: Statically-determinate with method of sections
Hibbeler 12e 6.37: Statically-determinate using both method of sections and method of joints
Hibbeler 12e 6.37: Statically-determinate using both method of sections and method of joints
Hibbeler 13e 6.41: Statically-indeterminate using both method of sections and method of joints
Hibbeler 13e 6.41: Statically-indeterminate using both method of sections and method of joints
Mathematica Code
Mathematica Code