29.5.2 - Contraction joints
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Practice Questions
Test your understanding with targeted questions
What is the primary function of a contraction joint?
💡 Hint: Think about temperature effects on concrete.
What restricts the movement of a slab at a contraction joint?
💡 Hint: Consider the reaction of the soil beneath the slab.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the role of contraction joints in pavement design?
💡 Hint: Think about thermal expansion and contraction in materials.
True or False: Sub-grade friction does not affect the design of contraction joints.
💡 Hint: Consider what restricts movement in pavement systems.
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Challenge Problems
Push your limits with advanced challenges
Design a detailed contraction joint system for a 40 m long concrete driveway, considering different temperatures and stress values.
💡 Hint: Account for the highest expected temperature change over the year.
Evaluate the impact of inadequate contraction joints in an industrial setting where heavy machinery operates.
💡 Hint: Consider environmental factors and the mechanical movements of heavy machinery.
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