2.2.1. Under Revision

Try these first

1. 1.

   What is the coefficient of consolidation (Cv)?

   Hint

   Think about why understanding soil behavior is crucial.

2. 2.

   Why do we use a logarithmic scale in the log-time method?

   Hint

   Consider how data might change over different time intervals.

3. 3.

   What is the primary goal of the log-time method?

   • To determine soil pH
   • To calculate Cv
   • To assess soil permeability

   Hint

   Think about the importance of understanding soil settlement.

4. 4.

   True or False: The horizontal line drawn during the log-time method represents 100% consolidation.

   • True
   • False

   Hint

   Recall the definitions of d0 and d100.

5. 5.

   A soil sample exhibits dial readings as follows: 0% compression at 5 seconds and 60% compression at 20 seconds. Using the log-time method, what would be the expected reading at 80 seconds?

   Hint

   Visualize the curve and think about how readings progress.

6. 6.

   In a consolidation test, the data collected yielded values of 0.1 at 10 seconds, 0.4 at 40 seconds, and 1.0 at 120 seconds. Is the log-time method applicable here? Why or why not?

   Hint

   Examine the pattern of values and consider proportional ratios.