Practice Flaky and Elongated Aggregates - 5.1.C.4 | 5. Aggregates – Properties, Grading, Testing | Civil Engineering Materials, Testing & Evaluation - Vol 1
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5.1.C.4 - Flaky and Elongated Aggregates

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define flaky aggregates.

💡 Hint: Think about the thickness comparison.

Question 2

Easy

What are elongated aggregates?

💡 Hint: Focus on the length comparison.

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 defines flaky aggregates?

  • Thickness less than 0.6 times mean size
  • Length greater than 1.8 times mean size
  • Angular-shaped aggregates

💡 Hint: Focus on the thickness measurement.

Question 2

True or False: Elongated aggregates improve workability in concrete.

  • True
  • False

💡 Hint: Recall the definition and effects.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

In a construction scenario, you are tasked with designing a concrete mix for a structural support beam. Given a sample of aggregates with a high flakiness and elongation index, discuss the potential impact on the beam’s structural integrity.

💡 Hint: Analyze how aggregate properties affect concrete performance.

Question 2

Evaluate a case where a ready-mix concrete supplier has received complaints about cracks forming in concrete structures. The aggregates used were, upon testing, found to be high in flaky and elongated particles. Propose a method for remedying this issue in future mixes.

💡 Hint: Consider how preventive measures can improve quality.

Challenge and get performance evaluation