20.2.3 - Axle configuration
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Practice Questions
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Describe the impact of more axles on pavement stress.
💡 Hint: Think about how weight is spread across the pavement when more wheels are present.
What is contact pressure?
💡 Hint: Consider how wheel load affects the pavement directly.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary benefit of having multiple axles on a vehicle in terms of pavement design?
💡 Hint: Consider how weight translates into pressure on single vs. multiple points.
True or False: Contact pressure increases as the number of axles decreases.
💡 Hint: Think about how weight is applied to a smaller area with fewer wheels.
1 more question available
Challenge Problems
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A delivery truck with a single rear axle often causes damage to neighborhood streets. Propose a redesign of the truck's axle configuration to minimize pavement impact.
💡 Hint: Consider the distribution of weight as you change the configuration.
Evaluate the potential reduction in pavement lifespan when subjected to a constant cumulative load over time. What could be implemented to mitigate this risk?
💡 Hint: Think about how materials can interact with loads over time.
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