22.1. Potential Modes of Failures

Try these first

1. 1.

   What is buckling?

   Hint

   Think about what happens when you push too hard on a straw.

2. 2.

   Name one mode of failure for beam columns.

   Hint

   Consider various stresses a beam can encounter.

3. 3.

   What is the primary cause of beam column failure?

   • Overloading
   • Weather Conditions
   • Material Defect

   Hint

   Think about what happens when a beam is subjected to excess weight.

4. 4.

   True or False: Plastic moment capacity is equal to the elastic moment capacity.

   • True
   • False

   Hint

   Consider the definitions of both capacities.

5. 5.

   A column with a nominal moment capacity of 600 k.ft is subjected to an axial load of 50 kips and a moment of 60 k.ft. Analyze if this column is adequate based on benchmark calculations.

   Hint

   Use the primary equations discussed for adequacy.

6. 6.

   Evaluate how different load factors affect the moment capacities of a beam column under varying conditions. Provide a written analysis.

   Hint

   Consider the relationship between actual load and calculated safety factors.