Practice Compressive Strength - 9.1.1 | 9. Topics in Hardened Concrete | Concrete Technology
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9.1.1 - Compressive Strength

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Define compressive strength in concrete.

💡 Hint: Think about what happens when concrete is pushed vertically.

Question 2

Easy

What is a common standard test to measure compressive strength?

💡 Hint: This test uses what shape for the concrete sample?

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 term for the resistance of concrete to axial loads?

  • a) Tensile Strength
  • b) Compressive Strength
  • c) Flexural Strength

💡 Hint: Remember the main strength criteria for concrete.

Question 2

True or False: A lower water-cement ratio tends to decrease the compressive strength of concrete.

  • True
  • False

💡 Hint: Consider how water affects concrete density.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a concrete mix is designed with a water-cement ratio of 0.6, what would be the expected implications on its compressive strength compared to a design with a ratio of 0.4? Calculate the potential percentage difference if compressive strength at 0.4 is known to be 40 MPa.

💡 Hint: Refer to the impact of water-cement ratio discussed earlier.

Question 2

You are tasked with designing a new concrete mix for a high-rise building that requires a minimum compressive strength of 80 MPa. Discuss the steps and considerations you would take in preparing this mix, including material selection and testing methods.

💡 Hint: Think about how factors talked about earlier can help enhance strength while meeting design criteria.

Challenge and get performance evaluation