Practice Uniform excess pore water pressure with depth - 1.4 | 4. Terzaghi’s 1D Consolidation Equation | Geotechnical Engineering - Vol 2
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Knowledge

1.4 - Uniform excess pore water pressure with depth

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is pore water pressure?

💡 Hint: Think about what happens in soil when it's saturated.

Question 2

Easy

What does one-dimensional consolidation theory assume about soil layers?

💡 Hint: What do these terms mean in relation to soil characteristics?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What assumption is made about the coefficient of permeability in one-dimensional consolidation?

  • Varies with depth
  • Constant
  • Varies with time

💡 Hint: Recall the assumptions about soil behavior.

Question 2

True or False: All soil layers are assumed to be compressible in the one-dimensional consolidation theory.

  • True
  • False

💡 Hint: Consider what 'compressible' means.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A soil layer 10 m deep has a permeability of 1x10^-4 m/s. Calculate how long it would take for the excess pore water pressure to decrease by 50% if drainage occurs from both ends.

💡 Hint: Consider the factors influencing discharge rate and use appropriate equations.

Question 2

Given a soil element experiences an increase in vertical stress from 100 kPa to 200 kPa, with a coefficient of volume compressibility of 0.005 m²/kN, calculate the volume change of a 1 m³ soil element.

💡 Hint: Remember to convert stresses to compatible units.

Challenge and get performance evaluation