16.2. Materials Used in Cement Concrete Pavement

Try these first

1. 1.

   What is the most common type of cement used in concrete pavements?

   Hint

   Look for the abbreviation OPC.

2. 2.

   What are the two main types of aggregates?

   Hint

   Think about the sizes of materials.

3. 3.

   What grade is OPC primarily used in cement pavements?

   • Grade 32
   • Grade 43
   • Grade 53

   Hint

   Recall the common grades of OPC.

4. 4.

   True or False: Fine aggregates can consist of materials like crushed stone sand.

   • True
   • False

   Hint

   Think about the definitions of different aggregate types.

5. 5.

   Given a scenario where aggregates are too fine, discuss how this might impact the performance of concrete pavements.

   Hint

   Consider the balance of materials in the mix.

6. 6.

   Construct a case where improper water quality affects a concrete pavement's durability, detailing what actions could mitigate such effects.

   Hint

   Watch how chemical reactions can weaken concrete.