12.4 - Stiffness and Modulus of Bituminous Mixes
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Practice Questions
Test your understanding with targeted questions
What is the definition of dynamic modulus?
💡 Hint: Think about how materials respond to cyclic loads.
How do you calculate ITSM?
💡 Hint: Remember the components of the formula.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does dynamic modulus indicate about a bituminous mix?
💡 Hint: Focus on its application under specific loading conditions.
True or False: The resilient modulus is less important than the dynamic modulus in pavement design.
💡 Hint: Consider the role of each modulus in practical applications.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A new bituminous mix is being tested. It has a dynamic modulus of 1500 MPa at 20°C. Calculate ITSM given a peak load of 5000 N, sample thickness of 5 cm, horizontal deformation of 0.02 cm, and sample diameter of 15 cm.
💡 Hint: Ensure all units are consistent when substituting into the formula.
Propose a design approach for a pavement in a region with high temperature variations. What role will the resilient modulus play in your design?
💡 Hint: Consider how temperature affects material properties over time.
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