24.3.4. Skid resistance

Try these first

1. 1.

   What is skid resistance?

   Hint

   Think of how tires interact with the road.

2. 2.

   Name a preferred texture for skid resistance.

   Hint

   Consider which type of surface allows water to flow away.

3. 3.

   What is the primary purpose of skid resistance?

   • To improve drainage
   • To provide grip
   • To enhance aesthetics

   Hint

   Think about safety while driving.

4. 4.

   True or False: Open-graded textures provide poor skid resistance.

   • True
   • False

   Hint

   Consider why we want water to run off the road.

5. 5.

   Calculate the optimal bitumen content in a mix design for a highway intended for heavy traffic with frequent rain.

   Hint

   Think about the traffic volume and weather conditions in your analysis.

6. 6.

   Critique a pavement design from a safety perspective and suggest improvements.

   Hint

   Consider what factors lead to accidents in wet conditions.