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6. Preconsolidation Pressure
The chapter provides an overview of preconsolidation pressure, the maximum effective stress experienced by soil throughout its stress history, and classifies soils based on their stress history: normally consolidated, over consolidated, and under consolidated soils. The behavior of these soils under various loading conditions and their implications for structural integrity are emphasized.
Sections
Preconsolidation pressure is the maximum effective stress that a soil has experienced in its past stress history.
Preconsolidation pressure indicates the past maximum effective stress on a soil.
Soils can be classified into normally, under, and over consolidated based on their stress history.
Under consolidated soils can undergo significant deformation, posing risks to structures.
Preconsolidation Pressure
The maximum effective stress that a soil has experienced in its stress history.
Normally Consolidated Soils
Soils that have never experienced a vertical effective stress greater than the current stress.
Over Consolidated Soils
Soils that have experienced vertical effective stress greater than the current effective stress.
Under Consolidated Soils
Soils that have not consolidated under the current overburden pressure and are prone to larger deformations.
Practice Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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