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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.
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References
26.pdfClass Notes
Memorization
What we have learnt
- Preconsolidation pressure i...
- Soils can be classified int...
- Under consolidated soils ca...
Final Test
Revision Tests
What we have learnt
- 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.
Key Concepts
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Term: Preconsolidation Pressure
Definition: The maximum effective stress that a soil has experienced in its stress history.
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Term: Normally Consolidated Soils
Definition: Soils that have never experienced a vertical effective stress greater than the current stress.
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Term: Over Consolidated Soils
Definition: Soils that have experienced vertical effective stress greater than the current effective stress.
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Term: Under Consolidated Soils
Definition: Soils that have not consolidated under the current overburden pressure and are prone to larger deformations.