2.5. Testing of Aggregates

Try these first

1. 1.

   What is the main purpose of sieve analysis in aggregate testing?

   Hint

   Think about how you sort ingredients.

2. 2.

   What does the Aggregate Impact Value test measure?

   Hint

   Consider how a rock might break under sudden pressure.

3. 3.

   What does the Sieve Analysis test primarily determine?

   • Water Absorption
   • Grading
   • Specific Gravity

   Hint

   What do we always check for in baking?

4. 4.

   True or False: The Aggregate Crushing Value test measures the impact resistance of aggregates.

   • True
   • False

   Hint

   Consider how we assess structures under load.

5. 5.

   Consider a scenario where the Aggregate Impact Value of tested aggregates is found to be too low. Discuss the potential impact on the concrete's performance and suggest alternatives.

   Hint

   Think about how aggregates react under stress over time.

6. 6.

   If it is discovered that the aggregates are prone to alkali-silica reactivity after conducting the ASR test, detail the strategies that can be employed in the project to ensure concrete longevity.

   Hint

   Consider various materials that might reduce harmful reactions.