2.1.7. Corrosion Inhibitors

Try these first

1. 1.

   What is the primary purpose of corrosion inhibitors in concrete?

   Hint

   Think about what happens to steel when exposed to water and air.

2. 2.

   Name one example of a corrosion inhibitor.

   Hint

   Recall the examples given in class.

3. 3.

   What is the main role of corrosion inhibitors?

   • A) Increase water usage
   • B) Protect steel from corrosion
   • C) Reduce concrete weight

   Hint

   Think about their purpose regarding steel.

4. 4.

   True or False: Sodium benzoate can be used as a corrosion inhibitor.

   • True
   • False

   Hint

   Recall the examples we discussed.

5. 5.

   Considering a highway bridge constructed with exposed steel reinforcement, discuss the implications of not using corrosion inhibitors in its concrete mix.

   Hint

   What environmental factors contribute to corrosion?

6. 6.

   Compare and contrast the effectiveness of calcium nitrite and sodium benzoate as corrosion inhibitors in different environmental scenarios.

   Hint

   Think about where each inhibitor would have the most impact!