8.1. Laboratory Tests for Chemical Admixtures

Try these first

1. 1.

   What is the purpose of the Setting Time Test?

   Hint

   Think about the importance of timing in construction.

2. 2.

   Name one method used for the Air Content Test.

   Hint

   Consider methods that assess air in liquid.

3. 3.

   What apparatus is used for the Setting Time Test?

   • Slump Cone
   • Vicat Apparatus
   • Compression Machine

   Hint

   Think of the tool that indicates how hardening progresses.

4. 4.

   True or False: Workability is unimportant in concrete mixtures.

   • True
   • False

   Hint

   Consider how practical mixing affects the project.

5. 5.

   How would you justify the importance of the bleeding test in a high-rise building project?

   Hint

   Consider structural integrity and output quality of ambivalent conditions.

6. 6.

   Explain how you would go about testing the compatibility of a new chemical admixture you've never used before.

   Hint

   Think about how new elements might interplay.