22.3.4. Soundness test

Try these first

1. 1.

   What is the main purpose of the soundness test for aggregates?

   Hint

   Consider what weathering affects in construction.

2. 2.

   Name one chemical used in the soundness test.

   Hint

   You might remember they are both sulfates.

3. 3.

   What is the primary purpose of the soundness test?

   • To determine size
   • To check weight
   • To evaluate weathering resistance

   Hint

   Think about what weathering does to materials.

4. 4.

   True or False: The weight loss limit for magnesium sulfate in soundness tests is 12%.

   • True
   • False

   Hint

   Recap the weight limits for each sulfate.

5. 5.

   Discuss the implications of failure to conduct soundness tests on local infrastructure.

   Hint

   Consider the risks of bad materials.

6. 6.

   Design a quality control plan that incorporates soundness testing of aggregates for a new road project.

   Hint

   Think about how to maintain quality continuously.