6.2.2(b). Fine Aggregates

Try these first

1. 1.

   What is the maximum water absorption percentage acceptable for fine aggregates?

   Hint

   Think about the limits we usually use in construction standards.

2. 2.

   Define fine aggregates.

   Hint

   Focus on the sieve size mentioned earlier.

3. 3.

   What sieve size defines fine aggregates?

   • 3.5 mm
   • 4.75 mm
   • 5.0 mm

   Hint

   Refer back to the definitions we discussed.

4. 4.

   True or False: Fine aggregates should have a maximum water absorption of 5%.

   • True
   • False

   Hint

   Remember our construction standards!

5. 5.

   Describe the implications of using fine aggregates from different sources, such as natural versus manufactured, in terms of performance and cost.

   Hint

   Consider the environmental and economic factors.

6. 6.

   Propose a testing regimen for a new source of fine aggregates to ensure compliance with road construction standards.

   Hint

   Focus on the key tests discussed in class.