4.6.2. Field Tests

Try these first

1. 1.

   What does the Ball Test for gypsum assess?

   Hint

   Think about what happens when plaster is mixed.

2. 2.

   Why is crack monitoring important?

   Hint

   Consider the impact of cracks on aesthetics.

3. 3.

   What type of test is the Ball Test?

   • Strength Test
   • Shape Integrity Test
   • Drying Time Test

   Hint

   Think about the physical characteristics of plaster.

4. 4.

   True or False: Workability tests do not affect the application success of plaster.

   • True
   • False

   Hint

   Consider what happens if plaster is hard to work with.

5. 5.

   If a Ball Test results in disintegration of gypsum plaster, outline the implications for the construction project and suggest alternatives.

   Hint

   Consider materials that can better resist physical strain.

6. 6.

   Propose a strategy to minimize cracking in plaster applications based on field test results.

   Hint

   Think about factors that contribute to a strong plaster mix.