Practice Design of Concrete Mix for Pavements - 17 | 17. Design of Concrete Mix for Pavements | Pavement Materials
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17 - Design of Concrete Mix for Pavements

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the typical compressive strength range for highway pavements?

💡 Hint: Think about the strength required for road traffic.

Question 2

Easy

What purpose does workability serve in a concrete mix?

💡 Hint: Consider how ease of use impacts construction.

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 typical compressive strength range required for highway concrete pavements?

  • 20-25 MPa
  • 30-40 MPa
  • 40-50 MPa

💡 Hint: Refer to the performance criteria discussed.

Question 2

True or False: Flexural strength is usually assessed via direct compression tests.

  • True
  • False

💡 Hint: Think about the modes of applying forces in testing.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A new concrete mix design aims for a target flexural strength of 5 MPa for a specific highway's conditions. If the characteristic strength is measured at 4.2 MPa with a standard deviation of 0.8, find the required target strength using the IRC:44 method.

💡 Hint: Use the statistical constant to adjust the characteristic strength.

Question 2

Calculate the amount of cement needed if a mix design requires 240 kg of water and aims for a water-cement ratio of 0.5.

💡 Hint: Ensure you apply the water-cement ratio correctly in your calculations.

Challenge and get performance evaluation