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3 cards from this section. Quick, good the night before a test.
What does the Free Swell Index measure?
Think about what happens to soil when it gets wet.
Explain what an oedometer test is.
Consider what happens when soil is placed in a container with pressure applied.
What does the Free Swell Index indicate about soil?
Focus on what happens to soil with moisture.
True or False: An oedometer test measures the compressibility of soil.
Consider what the main purpose of the oedometer is.
A soil sample has a Free Swell Index of 120%. Discuss the engineering implications for a highway project over this area.
Think about water management and pavement design strategies.
Given two different soils: one with high swelling pressure and one with low, describe how their selection for a commercial building pad would differ based on swell tests.
Consider how each soil's properties affect construction methods.
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