1.2.2. Atterberg Limits Testing

Try these first

1. 1.

   What does the Plastic Limit indicate?

   Hint

   Think about how soil behaves when it is dry.

2. 2.

   Define the term Liquid Limit.

   Hint

   Consider how liquid soil can flow easily.

3. 3.

   What does the Plastic Limit indicate?

   • The maximum water content for soil flow
   • The moisture content where soil crumbles
   • The minimum plasticity index

   Hint

   Think of moisture levels related to moldability.

4. 4.

   True or False: The Liquid Limit represents the moisture content at which soil can flow.

   • True
   • False

   Hint

   Consider what 'liquid state' means for soil behavior.

5. 5.

   Consider a soil sample that has a Liquid Limit of 40% and a Plastic Limit of 15%. What is the Plasticity Index, and what does this index suggest about the soil's behavior?

   Hint

   Use the formula PI = LL - PL.

6. 6.

   If a construction site ignores the Plastic Limit when planning for foundation work, what are the potential risks involved?

   Hint

   Consider the implications of moisture changes on soil.