2.2.2. Under Revision

Try these first

1. 1.

   What does Cv stand for in soil mechanics?

   Hint

   Think about what measures soil behavior under stress.

2. 2.

   What is the first step in the log-time curve fitting method?

   Hint

   Consider what type of scale is used.

3. 3.

   What does the coefficient of consolidation (Cv) measure?

   • Soil moisture retention
   • Rate of soil consolidation
   • Soil shear strength

   Hint

   Remember it relates to stress and settlement.

4. 4.

   True or False: The logarithmic scale compresses large time data into a manageable graph.

   • True
   • False

   Hint

   Consider why we might choose a log scale.

5. 5.

   A soil sample shows dial readings of 0.1 mm at t1 (1 hour) and 0.4 mm at t2 (4 hours). Calculate the difference and interpret it in terms of consolidation percentage.

   Hint

   Think about how these differences relate to the total expected settlement.

6. 6.

   Considering a log-time graph, point P shows a reading of 0.2 at log t1 and point Q shows 0.5 at log t2. How do you determine the readings for 0% and 100% consolidation?

   Hint

   Refer back to how intersections define those consolidation limits.