5.2.1.2. Surface Texture

Try these first

1. 1.

   What is the definition of surface texture in aggregates?

   Hint

   Think about the outer surface of the aggregates.

2. 2.

   Name one benefit of using rough aggregates.

   Hint

   Consider how rough surfaces interact.

3. 3.

   What is the effect of rough texture in aggregates on bond strength?

   • Weaken bond
   • Enhance bond
   • No effect

   Hint

   Remember how roughness affects the grip.

4. 4.

   True or False: Smooth aggregates generally provide stronger bonds than rough aggregates.

   • True
   • False

   Hint

   Think about how surfaces interact.

5. 5.

   A civil engineer is tasked with designing a concrete mix for a new pedestrian bridge that must withstand heavy foot traffic. Discuss the factors that should be considered regarding aggregate surface texture.

   Hint

   Think about the stresses the bridge will face.

6. 6.

   You are asked to construct a decorative concrete pathway that also needs to be durable. How would you approach the selection of aggregates considering surface texture?

   Hint

   Balance beauty with performance!