2.13.3. Mitigation Measures

Try these first

1. 1.

   What is frost heave?

   Hint

   Think about what happens in freezing temperatures.

2. 2.

   Name one method to prevent frost heave.

   Hint

   Consider materials that don’t retain water.

3. 3.

   What is the primary cause of frost heave?

   • Ice formation
   • Heavy traffic
   • Soil type

   Hint

   Think about what freezes in the ground.

4. 4.

   True or False: Non-frost susceptible materials help prevent frost heave.

   • True
   • False

   Hint

   Consider their properties.

5. 5.

   Design a strategy for a new road in a cold region. Discuss materials and drainage systems you would choose and justify your choices based on frost action.

   Hint

   Think about how different materials and systems affect moisture retention.

6. 6.

   Critique a pavements maintenance plan that ignores frost action. What problems might arise, and what would you recommend to improve it?

   Hint

   Consider the long-term effects of weather on pavement.