4.1.3. Accelerating Admixtures

Try these first

1. 1.

   What is the primary purpose of accelerating admixtures?

   Hint

   Think about the conditions where these admixtures would be useful.

2. 2.

   Name one common accelerating admixture.

   Hint

   One of them is often avoided due to corrosion risks.

3. 3.

   What is the main function of accelerating admixtures in concrete?

   • Increase water content
   • Reduce setting time
   • Enhance color

   Hint

   Consider why you would want quicker setting.

4. 4.

   True or False: Calcium chloride is safe to use with reinforced concrete.

   • True
   • False

   Hint

   Think about the effects it has on steel.

5. 5.

   Describe a scenario where using calcium chloride as an accelerator could lead to issues. What alternative would you recommend?

   Hint

   Consider environmental conditions that could affect the concrete.

6. 6.

   You have a project scheduled during winter. Discuss how you would plan the concrete work with respect to the use of accelerating admixtures.

   Hint

   Think about the temperature variations and schedule risks involved.