Practice Indirect Tensile Stiffness Modulus (ITSM) - 12.4.3 | 12. Mechanical Behavior of Bituminous Mixes | Pavement Materials
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12.4.3 - Indirect Tensile Stiffness Modulus (ITSM)

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does ITSM stand for?

💡 Hint: Think about the stiffness and tensile properties of bituminous mixes.

Question 2

Easy

What is the formula to calculate ITSM?

💡 Hint: Remember the components in the formula.

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 does ITSM measure?

  • Tensile strength
  • Stiffness under indirect tensile loading
  • Viscosity

💡 Hint: Focus on the concepts of stiffness and load.

Question 2

True or False: Increasing sample thickness always raises the ITSM value.

  • True
  • False

💡 Hint: Think logically about the relationship.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A pavement core is subjected to a peak load of 5000 N with a thickness of 75 mm, a horizontal deformation of 2 mm, and a diameter of 150 mm. Calculate its ITSM and assess whether it meets the required stiffness level of 10 N/mm².

💡 Hint: Use the formula and ensure your units are consistent.

Question 2

Discuss the implications of consistently obtaining low ITSM values in project mixes and the recommended course of action to rectify potential pavement issues.

💡 Hint: Consider how mix design impacts performance.

Challenge and get performance evaluation