37.1.4. Void Ratio

Try these first

1. 1.

   What does a high void ratio indicate about soil packing?

   Hint

   Think about how much space is taken up by voids.

2. 2.

   What is the formula for void ratio?

   Hint

   Consider the parts of the soil sample.

3. 3.

   What does a higher void ratio indicate about soil?

   • Denser packing
   • Looser packing
   • Stable structure

   Hint

   Think about how much space is occupied by air in the soil.

4. 4.

   True or False: A high void ratio reduces the risk of liquefaction.

   • True
   • False

   Hint

   Consider what happens during seismic loading.

5. 5.

   A site is assessed with a soil void ratio of 0.9. During a seismic event, what mitigation strategies should be considered?

   Hint

   Think about the relationship between void ratio and liquefaction risk.

6. 6.

   If a soil sample with a void ratio of 1.3 experiences cyclic loading, how does this impact pore pressure and effective stress?

   Hint

   Consider the roles of excess pore water and effective stress in cyclic loading.