21.4.1 - Stress-Strain Behavior
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Practice Questions
Test your understanding with targeted questions
What is the primary difference between the stress-strain behavior of plain concrete and fiber-reinforced concrete?
💡 Hint: Think about how each type behaves after reaching the peak load.
What are the two types of post-cracking behavior in FRC?
💡 Hint: One allows load to increase, while the other allows it to decrease.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What characterizes the stress-strain behavior of fiber-reinforced concrete?
💡 Hint: Think about how fibers influence the behavior after cracking.
True or False: Deflection hardening indicates that load decreases post-cracking.
💡 Hint: Recall the characteristics of deflection hardening.
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Challenge Problems
Push your limits with advanced challenges
Design a fiber-reinforced concrete mix with optimal fiber volume to maximize strength without compromising workability. Discuss the parameters involved.
💡 Hint: Think about both the mechanical properties and processability.
Given a load-deflection curve from an experiment, identify the maximum load capacity and define the implications for structural design.
💡 Hint: Identify peak points in the load-deflection plot for guidance.
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