Summary: Soil Mechanics
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Lecture 1: Introduction
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Why is Geo-Engineering of such big importance?
They are key to most construction projects. The biggest risks tend to be associated with the ground. -
What is the pore fluid for unsaturated soils?
A mixture of air and water -
By what activities is our hydro-mechanical system of soil influenced by?
External and environmental conditions; biological, electrical, thermal and chemical -
What is a drained soil?
A soil in which the pore fluid is free to move in or out of the soil with no impact on the soil response. -
Lecture 2: Soil Classification
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What are origins for soils?
Weathering (temperature), Erosion (Ice / Water), Transportation (e.g. Yellow River), Deposition (e.g. River Delta), Formed in situ (e.g. Decaying Vegetation) or Engineered Construction (e.g. Maasvlakte 2) -
What is a braided river?
Quite wide and lots of different channels separated by small islands and the location of the river can change sideways by the amount of water -
What is a liquefaction slide?
A slope failure -
Which particles are deposited first by a river?
Larger particles (e.g. Gravel) and smaller particles are deposited at lower river speeds (as a river gets nearer to the sea) -
How are Dutch deltas characterized?
Byliquefiable sands, soft organicclays andpeat , and byheterogeneity -
What do you do with a Cone Penetration Test (CPT)?
You push a cone down through the ground and you measure the resistance
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