29.1.4 - Equivalent radius of resisting section
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Practice Questions
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Define equivalent radius in the context of rigid pavement design.
💡 Hint: Think about how the shape of the pavement affects its strength.
What does the variable 'h' represent?
💡 Hint: Consider what impacts the slab's ability to carry loads.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the equivalent radius (b) represent in rigid pavements?
💡 Hint: Think about the geometry of the pavement section.
True or False: A thicker slab generally reduces the equivalent radius.
💡 Hint: Consider the relationship between slab dimensions and load distribution.
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Challenge Problems
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A rigid pavement slab has a thickness of 15 cm and a wheel load radius of 2 cm. Calculate the equivalent radius and discuss its implications.
💡 Hint: Carefully compute using the provided equation.
Discuss how varying the wheel load distribution from 2 cm to 4 cm affects the equivalent radius while keeping slab thickness constant. What design adjustments might be necessary?
💡 Hint: Focus on the relationship between load distribution and slab performance.
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