Practice Contact Pressure - 20.2.1 | 21. Factors affecting pavement design | Transportation Engineering - Vol 1
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20.2.1 - Contact Pressure

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is contact pressure?

💡 Hint: Think about pressure and the connection between the tire and pavement.

Question 2

Easy

Why is wheel load important in pavement design?

💡 Hint: Consider the weight that the pavement must support.

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 is the main influence of contact pressure on pavement design?

  • It affects asphalt viscosity.
  • It determines the stress distribution of the pavement.
  • It has no effect on design.

💡 Hint: Consider the relationship between weight and pavement longevity.

Question 2

True or False: Moving loads at higher speeds cause more pavement damage than at lower speeds.

  • True
  • False

💡 Hint: Think about stress distribution related to speed.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A vehicle with a single axle carrying a weight of 40 kN has a tire pressure of 200 kPa. Calculate the contact area and discuss how this could impact pavement design preferences.

💡 Hint: Use the contact pressure formula to find the area.

Question 2

Consider a road designed for heavy truck traffic with regular speeds of 20 km/hr. Discuss how this design might change if the trucks were moving at just 5 km/hr.

💡 Hint: Reflect on how speed changes affect load impacts.

Challenge and get performance evaluation