Practice Proportioning of Aggregates - 8 | 19. Objectives of Mix Design | Civil Engineering Materials, Testing & Evaluation - Vol 2
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Knowledge

8 - Proportioning of Aggregates

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main purpose of aggregate proportioning in concrete?

💡 Hint: Think about what the end goal of concrete quality is.

Question 2

Easy

What method is typically used for determining aggregate proportions?

💡 Hint: Consider the calculation technique based on the volume of materials.

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 is the effect of the water-cement ratio on concrete?

  • Affects Strength and Durability
  • Only affects Cost
  • No Effect

💡 Hint: Think about the functions of water in concrete.

Question 2

True or False: The minimum size of aggregate has no impact on the properties of concrete.

  • True
  • False

💡 Hint: Remember how size impacts mixing and final product characteristics.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are tasked with designing a concrete mix for a structural component needing high durability. The maximum aggregate size is changed mid-process. How do you adapt your calculations for aggregate proportioning?

💡 Hint: Consider the implications of changing particle dimensions.

Question 2

Design a mix for moderate exposure conditions, including adjustments for the use of superplasticizers. How will these affect the water-cement ratios and aggregate volumes?

💡 Hint: Think about the role of superplasticizers in improving workability.

Challenge and get performance evaluation