Calculate the time taken to reach 70 % consolidation for the clay layer.

Question

For a normally consolidated clay, the following are given:The hydraulic conductivity k of the clay for the preceding loading rangeis 1.8 104 ft/day.a. How long (in days) will it take for a 9 ft thick clay layer (drained on one side)in the field to reach 60% consolidation?b. What is the settlement at that time (that is, at 60% consolidation)?

Answer 1

Question

Chapter 11, Problem 11.18P

(a)

To determine

Calculate the time taken to reach 70% consolidation for the clay layer.

(b)

To determine

Calculate the consolidation settlement at 70% consolidation.

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For a normally consolidated clay, the following are given:The hydraulic conductivity k of the clay for the preceding loading rangeis 1.8 104 ft/day.a. How long (in days) will it take for a 9 ft thick clay layer (drained on one side)in the field to reach 60% consolidation?b. What is the settlement at that time (that is, at 60% consolidation)?

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