21.3.2 - Governing Moments
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Practice Questions
Test your understanding with targeted questions
What equation is used to describe the moment in very short beams?
💡 Hint: Think about the factors that affect moment in a plastic hinge.
What is the significance of the section modulus?
💡 Hint: Consider beam cross-section properties.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the equation for moment capacity in a plastic hinge?
💡 Hint: Recall the conditions for very short beams.
True or False: C_b increases moment capacity for unbraced beams.
💡 Hint: Think about how external loads affect beams at different points.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A steel beam with a section modulus of 30 in^3 and yield strength of 50 ksi is 10 feet long. Calculate the moment in the plastic hinge scenario.
💡 Hint: Apply the principles of moment capacity based on Z and yield strength.
Analyze a long steel beam under varying wind loads, using its properties to evaluate potential elastic lateral torsional buckling scenarios.
💡 Hint: Think about how external forces can change the internal state of the beam.
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