Practice Stress-Strain Behavior - 21.4.1 | 21. Special Concrete and Concreting Methods – Fiber-Reinforced Concrete (FRC) | Civil Engineering Materials, Testing & Evaluation - Vol 2
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Knowledge

21.4.1 - Stress-Strain Behavior

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

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.

Question 2

Easy

What are the two types of post-cracking behavior in FRC?

💡 Hint: One allows load to increase, while the other allows it to decrease.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What characterizes the stress-strain behavior of fiber-reinforced concrete?

  • Linear until failure
  • Non-linear strain hardening
  • Constant under load

💡 Hint: Think about how fibers influence the behavior after cracking.

Question 2

True or False: Deflection hardening indicates that load decreases post-cracking.

  • True
  • False

💡 Hint: Recall the characteristics of deflection hardening.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation